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186,742 | Unable to add a 64-bit MSI package to a Group Policy Object on Windows Server 2003 (32 bit) | I am trying to remotely install a 32 -bit MSI and a 64-bit MSI, using Group Policies in Windows Server 2003 (32 bit). I've created a distribution point and a Group Policy Object. When I try to "Assign a Package" and pick the 32-bit MSI, everything works fine. However, when I try to assign a 64-bit MSI, I get this error... | (old question I know, but maybe a useful answer to someone) You can't use a Group Policy Editor on a 32bit machine to assign a 64bit application. You need to run Group Policy Editor on a 64bit machine to make the assignment. (even if it is just a client machine accessing the same 32 bit server) | 2 | 1 | 4,532 | 2010-10-01T19:53:50.050 | pipeline_ops | serverfault.com | |
328,898 | Availability group configuration problems - listener not created, error 19407 appears | To start with a description of an environment in which the problems are happening: 2 SQL servers 2022 Standard in their /28 subnet 1 AD domain for several sites, the SQL servers are members of this domain Sites and subnets in AD configured so domain knows which IP subnets belong to which sites DCs for site with the pro... | As it has been found out after even more hours and thorough network scrutiny, firewall is to blame (site has recently migrated to L7 firewall). Once FW ruleset has been reconfigured to a way less stringent ruleset, communication works well. It's the network's team turn to fine-tune FW rules in order to avoid this heada... | 0 | 0 | 150 | 2023-07-03T12:56:06.343 | data_quality | dba.stackexchange.com | |
194,887 | Database Schema design of server running status log | I am working with 4 AWS EC2 instances (servers). Each Instance has [CODE] and [CODE] . [CODE] is unique. Each of them having multiple application servers, like on of them is running [CODE] server and another one is running [CODE] and so on. I want to store the running status of the instances and their application serve... | Time without date and timezone is pretty useless. [CODE] Then to find the status of the server for each app. [CODE] You could also use a pkid and easily do a [CODE] . | 1 | 0 | 42 | 2018-01-08T11:45:03.500 | database_errors | dba.stackexchange.com | |
259,842 | Is this query too slow regarding the job it is doing? | It takes around 6 seconds for the following query to execute on a MacBook Air with 1,8 GHz Dual-Core Intel Core and 8 GB 1600 MHz DDR3, running mysql Ver 14.14 Distrib 5.7.27. I would like to know if that is to be expected given all of the parameters or could it be optimised somehow. [CODE] The explain seems OK to me s... | [CODE] and [CODE] do similar things; don't specify both. Keep the [CODE] . Suggested indexes. Most are "covering". Some assume one ordering of the tables in the [CODE] ; some are optimized for the other ordering; the Optimizer can pick which is better. [CODE] 20782 / 555160863 is a very low ratio, thereby indicating th... | 1 | 0 | 89 | 2020-02-17T15:12:15.963 | database_errors | dba.stackexchange.com | |
577,712 | PostgreSQL ERROR: no more connections allowed | How do you free up PostgreSQL connections that aren't properly being closed by client applications? I have a data-mining app that spins up multi processes, all connection to a local PostgreSQL 9.1 database to retrieve data. It runs fine for a few hours, but then dies with the error: [CODE] Researching this shows that t... | You can increase the max number of connections by changing your max shared memory settings, however if the problem is that your connections are not being closed, then you should really resolve that. If the software is out of your control and is buggy by not closing connections, you can use some cron job like: [CODE] Th... | 20 | 8 | 40,254 | 2014-02-23T16:01:39.523 | database_errors | serverfault.com | |
301,245 | cmdshell query Error "not a valid identifier" | I've included the entire code [CODE] | curious The error message that you're getting isn't really sensible given the command you've provided. Every time I've seen someone ask about this message, it's been in dynamic SQL like this: [CODE] Which throws: Msg 203, Level 16, State 2, Line 19 The name 'SELECT [dead_wrong] = 1/0;' is not a valid identifier. If you... | -1 | 1 | 449 | 2021-10-17T11:46:50.390 | warehouse_errors | dba.stackexchange.com | |
1,101,104 | How to send an email with openssl and Microsoft Exchange Online? | With Microsoft disabling basic auth in Exchange Online , I set out to add support Modern Authentication in our application. Our app sends basic email alerts. Currently we use SMTP basic auth or open relay for this, but Modern Auth would be a nice addition. To fully understand the process, I'd like to go through the ent... | My problem was in the initial command: [CODE] And specifically the -crlf flag - without it I could enter anything after EHLO and still be greeted by the SMTP server and proceed to AUTH. The flag seems to do something with line endings which this SMTP server is particularly picky about. So this command works for me: [CO... | 0 | 3 | 3,846 | 2022-05-17T09:33:24.943 | api_errors | serverfault.com | |
629,376 | Apache Proxy Server - Hopefully an easy fix | I am having issues with using relative directories from within the server that my proxy server redirects too. Lets call my top level server that provides the proxy "Proxy", and the first sub server "Client1". Proxy is setup to redirect /client1 to localhost:81/client1 (This works fine) Client1 has the following directo... | [CODE] is evaluated by your browser, not by the server. | 0 | 1 | 107 | 2014-09-18T01:59:30.767 | infrastructure | serverfault.com | |
1,113,656 | disk cache mode: "write back" vs "write through" in iscsi context | I have a few iscsi drives connected to a debian. The iscsi drive (sde,sdg, one for each path) and the multipath device (dm-25) have the "write_cache" property (/sys/devices/virtual/block/dm-XX/queue/write_cache or /sys/block/sdX/queue/write_cache ) set as "write back". I can set the writecache mode to "write through". ... | I am trying to understand what is the meaning of "writeback" and "writethrough" in the iscsi context. Does the iscsi driver offers some kind of local caching? It might. There also might be some caching at the file-system level, with the same implications. Write through means that a write operation is synchronous - the ... | -1 | 1 | 1,526 | 2022-10-21T09:16:18.330 | infrastructure | serverfault.com | |
386,457 | Django: Nginx with wsgi or uwsgi | Which one has better performance, stability? Which monitoring tool should also be the best choice ? Thanks for your answers! | From stackoverflow (the second link when you google wsgi vs uwsgi(!)): Ok, guys this is confusion because of lack of detail from several sources, and naming of these protocols, and what WSGI actually is. Summary: uwsgi IS a protocol not a server. This is used to communicate with with web servers for load balancing to t... | -2 | 1 | 697 | 2012-05-06T10:55:19.743 | pipeline_ops | serverfault.com | |
258,053 | EventID 1058 Code 5, Sysvol is subdir of Sysvol - how to fix? | I have been trying to resolve this error, like many others: The processing of Group Policy failed. Windows attempted to read the file \domain.local\SysVol\domain.local\Policies{3EF90CE1-6908-44EC-A750-F0BA70548600}\gpt.ini from a domain controller and was not successful. Group Policy settings may not be applied until t... | I'm not sure what the "experts" exchange post was taking about. Follow the steps listed here to troubleshoot the issue: Group Policy failed Event ID 1058 Error Code 5 | 2 | 1 | 7,180 | 2011-04-10T23:23:24.430 | data_quality | serverfault.com | |
875,379 | nxlog fails to connect, and never retries | I'm having an issue with nxlog, when trying to connect over network. It seems it is linked with misconfigured network (this is on a virtual machine, within Vagrant) Error message is ERROR couldn't connect to udp socket on 192.168.41.2:514; A socket operation was attempted to an unreachable network. Unfortunately, it ne... | This is a bug in the [CODE] module of the NXLog Community Edition. We have already fixed this in the EE and the fix will be available in the next CE release also. | 0 | 3 | 730 | 2017-09-25T15:19:11.487 | infrastructure | serverfault.com | |
597,791 | Linux adds the wrong default route | For some reason my Centos 5.9 Linux 2.6.18 x86_64 wants me to have two default routes. Whenever I reboot the server, my routing table looks like this: [CODE] bond1 is a local network, so having a last default route pointing to this network makes all internet requests fail. It is easily fixed by executing [CODE] and I c... | The "default" routes are set based on the GATEWAY lines in your [CODE] files. As Dom mentioned in his comment, if you remove the incorrect GATEWAY line, your routing table will be as you expect. | 7 | 7 | 22,508 | 2014-05-22T12:43:03.370 | infrastructure | serverfault.com | |
713,581 | Securing outgoing emails with logs of a web server | On the web server I am going to run rkhunter, tripwire, OSSEC, fail2ban and psad. All of those applications need to be able to send emails to notify the sysadmin. Therefore, I've: [CODE] Then I configured postfix to catch mails sent to root@localhost and send those mails to my.business.email@example.com : [CODE] and I ... | The security of your current setup against interception, and consequently possible disclosure and modification, of your mails on their way from your server to the destination mailbox, depends on the security of your server's DNS resolution. If an attacker is able to forge DNS replies to your server she can divert your ... | 0 | 3 | 92 | 2015-08-12T10:31:59.697 | infrastructure | serverfault.com | |
92,508 | Too much version control and bug tracking overhead per change? | I work at a place that is CVS-crazy and Bugzilla-nuts. There are so many branches off each release that one cannot count them. Everyone is constantly auto-merging. There is no fluidity at this job. Everything feels lock-step . It takes 25 steps even for a simple thing. It's not like being on a factory production line: ... | Is there a point at which the process gets in the way and becomes an end unto itself? Heavy processes are common, unfortunately. Some people - especially management - religiously imagine that processes produce products. So they overdo the processes and forget that it's really a handful of hard-working, smart people who... | 50 | 87 | 5,269 | 2011-07-13T11:14:46.700 | api_errors | softwareengineering.stackexchange.com | |
171,495 | How many cals do I need for a server handing out profiles | Possible Duplicate: Can you help me with my software licensing question? Suppose I have a windows 2003 server which hosts 500 roaming profiles. Do i need 500 cals for each user accessing his profile. How does this work? | This Microsoft Volume Licensing CAL Guide will probably spell out everything you need to know. User CALs: With the User CAL, you purchase a CAL for every user who accesses the server to use services such as file storage or printing, regardless of the number of devices they use for that access. Purchasing a User CAL mig... | 0 | 4 | 865 | 2010-08-17T16:38:58.977 | data_quality | serverfault.com | |
304,874 | why i am not able to access Gui panel at 2812 port | I followed this http://fosscasts.com/screencasts/6-System-Monitoring-With-Monit [CODE] when i run [CODE] start deamon comes but i am not able to acces gui panel on 2812 port | The error log can display notifications as well. Does the intended task actually work as you want it to, even with this message? For example, Apache says stuff like "Apache started on port 80" and "starting child threads" and such. Not a big deal, since it's only notifying you. | 0 | 0 | 161 | 2011-08-25T12:36:53.270 | pipeline_ops | serverfault.com | |
55,860 | Getting into data science and NLP outside of university | I'm almost 40. Four months ago I resigned from work to rest from stressing work and change my carerr direction. It took me some time to understand what I want to do and only then I started to learn NLP and machine learning through Coursera and Kaggle. To learn new skills and have a minimal portfolio to show during futu... | I'm also nearly 40. 2 years ago I decided to change career paths from Engineering to "Data Science". Despite having many years of Python experience I recognised that I didn't know or understand the latest technology or even the modern terms for things I did everyday. Therefore I suggest the following: Put your existing... | 1 | 2 | 89 | 2019-07-17T19:36:40.170 | data_quality | datascience.stackexchange.com | |
988,240 | Apache 2.4 proxy with single page static site | I have running Jira on my server with proxy like so: [CODE] And also I would like to have [CODE] in [CODE] accessible through www.server.name.com while jira should be accessible through www.server.name.com/jira. So far I have managed to do either infinite loops with mod_rewrite or other unsuccessful attempt to good red... | You only need the document root in your first block. [CODE] That's all. | 0 | 0 | 110 | 2019-10-16T12:11:16.187 | infrastructure | serverfault.com | |
284,733 | My email server is classed as a spammer by hotmail | I created an email server hosted at IP 65.75.241.26 with domain www.softmail.me using which I can send and receive emails from all users and I don't have problem with any other except hotmail. That my emails are moving to Junk bin of hotmail. How to overcome this issue? | You server/domain is probably missing some configurations that helps prove that you are not a spammer. Other mail servers have various checks in place to qualify what is spam and what is not. Many of these spam checks add details to the headers of an e-mail message which could clue you into what Hotmail may be flagging... | -1 | 3 | 244 | 2011-06-28T03:38:32.573 | infrastructure | serverfault.com | |
415,458 | How to solve `configure: error: Cannot find OpenSSL's <evp.h>`? | Im trying to recompile PHP, but ./configure fails at : [CODE] I have LibSSL 1.0.0, LibSSL 0.9.8, LibSSL-Dev, OpenSSL installed. [CODE] when I try with [CODE] tells me: configure: error: Cannot find OpenSSL's libraries Where the **** are the problem ? P.S. Php is 5.2.5, OS is Ubuntu | The same issue occurred on [CODE] and it was solved by issuing: [CODE] | 37 | 50 | 116,190 | 2012-08-08T10:54:28.710 | infrastructure | serverfault.com | |
772,967 | Laravel EC2 Nginx PHP 7 scripts downloaded instead of executed | The php scripts are downloaded on Amazon ec2 server with nginx installed instead of being executed. This is my nginx conf file: [CODE] | I replaced the following block: [CODE] With: [CODE] This change fixed the problem. | 2 | 0 | 782 | 2016-04-26T11:25:19.350 | infrastructure | serverfault.com | |
425,070 | Exchange 2010 and DAG - all roles on both servers? | Possible Duplicate: Can Exchange 2010 high availability be achieved with only 2 servers? We just recently migrated to an Exchange 2010 server. Currently all of the roles and mailboxes are installed on 1 server (we are a small company with less than 100 users). I am wanting to use DAG for replication however it seems mo... | Yes, this is possible, although somewhat tricky; see here for details. You'll need a load balancer, and each server should have enough storage for a full copy of the mailbox database(s); also, an additional network adapter on both servers to handle replication traffic would be nice. On the software side, you'll need th... | 1 | 1 | 1,377 | 2012-09-06T19:19:59.990 | airflow_errors | serverfault.com | |
248,790 | Tomcat6 Manager Webapp is 404 on apt-get install on Ubuntu 10.10 | http://localhost:8080/manager/html gives a 404 error on apt-get install of tomcat6 (6.0.28 on JVM 1.6.0_20-b20 on 2.6.35-27-generic amd64). http://localhost:8080/host-manager/html works. Lists one Host name, localhost. Installed tomcat6-admin with apt-get. [CODE] [CODE] [CODE] [CODE] [CODE] [CODE] Those two files are t... | Pursing the error log message from [CODE] , finally realized that I got confused when copy-pasting and put the [CODE] and [CODE] tags in both [CODE] and [CODE] . Those tags can only go in [CODE] . Once the tags were removed from [CODE] , the Manager began working. To restate, the only contents of [CODE] are [CODE] Woul... | 1 | 1 | 5,339 | 2011-03-17T21:59:24.487 | infrastructure | serverfault.com | |
177,723 | Prevent DROP COLUMN in PostgreSQL | Can I stop DROP COLUMN from succeeding on particular tables in PostgreSQL 9 or 10 or later? My application makes some assumptions about columns being forever, not disappearing. I'm afraid of later programmers forgetting about this constraint. I know triggers can fire to control INSERT, MODIFY, and DELETE of rows. But w... | Event Triggers There are event triggers to control DDLs, trapping for the event [CODE] . Call [CODE] . In the trigger function, check to see if the object being dropped is one of your important columns. If so, raise exception to roll-back transaction. The [CODE] event occurs just before the [CODE] event trigger for any... | 5 | 9 | 1,727 | 2017-06-30T20:27:02.813 | database_errors | dba.stackexchange.com | |
311,038 | Is the use of Stored Procedures in MySQL 5.7 recommended? | I am working in a company where we have an ERP system running on a dedicated server with LAMP (2 x Octa-Core E5-2620 V4 2.1GHz w/HT 32 threads with 32GB of RAM and two 480 GB SSD in hardware based RAID 1, 20 GB dedicated to MySQL), the database currently has a size of about 16 GB, according to me the MySQL configuratio... | This is bound to be a subjective question, and answers will tend to be opinion-based, which is more or less discouraged by the site's guidelines . However, I will try to give an answer that is based in facts. It is common in other brands of SQL database (e.g. Oracle or Microsoft SQL Server) to develop a robust set of s... | 0 | 0 | 269 | 2022-04-16T20:11:17.047 | database_errors | dba.stackexchange.com | |
207,560 | How to handle complex views (consisting of several parts) in MVC web application | Lets say I am writing a blog web application using MVC pattern. Typical layout for the main page of the blog application is - some kind of a post index in the main part, and aside there are some addition parts, like timeline, tag navigation panel, subscribing panel, etc. Those controls also appear on a single post view... | I see another method that, unless I've misunderstood your post, hasn't been mentioned: The main view, [CODE] , would have its model. This model would consist of ONLY the properties necessary to display this post ( [CODE] , [CODE] , [CODE] , etc). Then, every piece of the [CODE] view that you can think of ( [CODE] , [CO... | 7 | 1 | 9,284 | 2013-08-07T19:10:20.757 | data_quality | softwareengineering.stackexchange.com | |
133,720 | Why does Deadlock occur for this INSERT/UPDATE combination despite seemingly holding an X lock? | I am regularly seeing deadlocks in a production MySQL 5.5 database but cannot determine exactly what the cause is. For context, we're inserting new records into a database which are triggered by another system. In some cases, these actions can be triggered twice, which has caused exceptions where the system correctly c... | Can some or all of the 4 steps be replaced by a single query: [CODE] or maybe [CODE] and check [CODE] ? It would be better if you showed us all the SQL between [CODE] and [CODE] . Are you doing any time-consuming processing between [CODE] and [CODE] ? Can any of it be moved out. The faster the transaction runs, the les... | 3 | 1 | 1,596 | 2016-03-29T18:44:59.890 | data_quality | dba.stackexchange.com | |
799,630 | How to change default Exchange (Outlook) subfolder names? | Running Exchange 2013 Server on top of a Windows Server 2012 R2 domain with Outlook 2013 clients. My multi-site domain is also multilingual. Specifically, some sites are Spanish users and some sites are English users (with bilingual people all mixed in). Additionally, I make extensive use of Shared folders. Some of the... | You can set the mailbox regional settings in Exchange. The folder names are based on the Office language installed at the time the mailbox is first used, if you later change it you can run outlook.exe /resetfoldernames You could also reset the names via OWA : If you are an end-user, use Outlook Web App to reset the def... | 1 | 1 | 695 | 2016-08-28T20:11:07.480 | infrastructure | serverfault.com | |
1,123,099 | How to allow a tcp service (not http) on custom port inside kubernetes | I have a container running an OPC-server on port 4840. I am trying to configure my microk8s to allow my OPC-Client to connect to the port 4840. Here are examples of my deployment and service: (No namespace is defined here but they are deployed through azure pipelines and that is where the namespace is defined, the name... | Almost any circumstance where [CODE] or [CODE] setups don't work but running [CODE] does, it is almost always that the container is listening on 127.0.0.1, whereas all Pods must listen to 0.0.0.0. The reason [CODE] works all the time is that it actually uses a copy of [CODE] spawned in the same network cgroup as the Po... | 0 | 1 | 823 | 2023-02-16T15:14:15.273 | api_errors | serverfault.com | |
1,089,645 | Make autodiscover work for second Exchange domain | We have Active Directory, Domain Controller and Exchange server 2019 for [CODE] . They are all behind NAT and all services (Autodiscover, ActiveSync, OWA, ...) work properly. We also need to have email service for [CODE] too, so this is what we've done so far: External DNS [CODE] and [CODE] of [CODE] point to the same ... | I think you need to create the srv record. I will create SRV record in abc.com DNZ zone, and all Autodiscover queries for xyz.com domain will be redirected to autodiscover.abc.com. You could check this case https://social.technet.microsoft.com/Forums/exchange/en-US/97baf014-d036-47d2-8b97-24da1232aa53/autodiscover-dns-... | 0 | 1 | 2,085 | 2022-01-11T09:03:12.830 | infrastructure | serverfault.com | |
295,909 | What is the difference between 3-digit and dotted SMTP error codes? | When looking up SMTP error codes, I sometimes see "550", or "5.5.0". And sometimes the number in the dotted code is different. I found the numeric codes defined in RFC 821 and the dotted codes in RFC 3463 . Is this just different notation for the same thing, or are these different? If they are different, what parts of ... | The first three digits "550" are the code that is necessary for the SMTP protocol. This is used during SMTP dialog to handle errors, success or failures. The dotted version is the so called extended return code. In this code you can specify a more detailed response for humans or automated scripts. But they are not nece... | 7 | 6 | 442 | 2011-07-30T22:55:46.260 | infrastructure | serverfault.com | |
295,986 | Reconnect ssh session when disconnected without screen | I initiated 'do-release-upgrade' over ssh, and then my (client) network connection died. How can I reconnect to the session which is performing this command? | You cannot. Your command will be sent a SIGHUP. Take a look at: [CODE] , [CODE] , [CODE] , or [CODE] , ... How to reconnect to a disconnected ssh session | 7 | 7 | 6,169 | 2011-07-31T10:05:32.160 | infrastructure | serverfault.com | |
190,945 | Is it ok to backup a server to USB disk? | My company recently wasted a lot of time restoring data from corrupted USB disk backups. Everyone here is now keen to prevent the same happening again - but before buying the $5K tape drive now recommended I wanted to investigate a bit further. The data recovery company that helped restore our data told our engineer th... | What kind of RAID? Motherboard-based? (couldn't tell from the description)? That is a problem if it is. As for using USB disks, I don't think it's a bad idea necessarily, as long as you are verifying the backups and the speed/capacity are adequate for your purposes. Our current tape backup solution has a dedicated serv... | 3 | 6 | 4,451 | 2010-10-14T14:15:48.427 | api_errors | serverfault.com | |
112,673 | Aggregation by positive and negative values | I have a table called "PROD_COST" with 5 columns: [CODE] Duration = number of days the price is valid (1 day=1row). Cost = product price in this day. -Cost_next = lead(cost,1,0). Cost_change = Cost_next - Cost. I need an extra column called "Groups" for aggregation: [CODE] Now I need to group the "Groups" column by Cos... | I use your code and added some checks, regarding the [CODE] For [CODE] , you can use the [CODE] (this is not available in 2008,2008R2) [CODE] --for SQL 2012 [CODE] --for SQL 2008,2008R2: [CODE] The output: [CODE] | 0 | 1 | 4,471 | 2015-08-30T12:29:54.973 | warehouse_errors | dba.stackexchange.com | |
415,291 | sshd_config versus authorized_keys command parameter | Background : I added OTP token authentication to my web server. I modified the [CODE] file with the [CODE] command. Problem : I have a local Jenkins instance connecting to the web server for doing deployments; Jenkins can't enter token info or respond to phone calls (although who knows, I bet there's even a plugin for ... | Use the [CODE] command in your [CODE] to apply different rules to the [CODE] user than you do to other users: Match : Introduces a conditional block. If all of the criteria on the Match line are satisfied, the keywords on the following lines override those set in the global section of the config file, until either anot... | 0 | 2 | 999 | 2012-08-07T22:44:03.430 | pipeline_ops | serverfault.com | |
551,338 | Tripwire help Required | I have created the policy file in Tripwire and also I have created the rules as well mentioned below: [CODE] After running the integrity check the output should be [CODE] . I am getting the output as below: [CODE] Note: In the output I only am getting the files which are modified. I need the detail output for this. But... | Does adding '-v' to the command line, for verbose mode, output the info you want? Does the tripwire report file (*.twr) have the info you want? | 1 | 0 | 176 | 2013-11-07T11:37:40.003 | infrastructure | serverfault.com | |
965,336 | Windows - Set permission on folder only without recursing subobjects (slow for large directory trees) | There are many times when I wish to set a permission on a folder only, but all the programs i've tried will recurse through all sub files and folders during the process. As this is slow, is there any way to avoid this? Things i've tried: Windows Explorer: fails, as you can see in the gui, it will loop through all subob... | The modern Windows API automatically recurses through the directory tree when a program changes the permissions on a directory, there is no option to prevent this from happening. Nor is Windows quite smart enough to realize when a particular change has no effect on the child objects. However, if a program uses the olde... | 1 | 2 | 1,575 | 2019-04-30T21:48:10.067 | infrastructure | serverfault.com | |
19,127 | Storing files in a directory... are there limits? | I am using CentOS 5 with Plesk 9 (64-bit), I am running a site where users will be uploading pictures. With a 64 bit os, are there any limits to how many files I can store? All I care about is performance, and serving up the files. I'd prefer not to have 4 directories deep of scattered files. However, I am hoping, that... | If you are using ext3 , I found this quote (warning: spanish speaking site) "There is a limit of 32k (32768) subdirectories in a single directory, a limitation likely of only academic interest, as many people don't even have that many files (though huge mail servers may need to keep that in mind). The ext2 inode specif... | 3 | 5 | 2,946 | 2009-06-03T20:05:52.573 | infrastructure | serverfault.com | |
707,379 | Using Linked SQL Servers from a different server | I have 3 machines that are involved in running a SQL script: JumpBox - A machine that serves as a stable point for automation to run. ReportBox - A machine that holds reporting databases and logic. Running SQL Server 2008 R2 OLTPBox - A machine that contains an OLTP database. Running SQL Server 2014 Because OLTPBox is ... | Make sure you set your SPN's on all SQL Servers involved. I usually do the following: [CODE] That should catch most of the possible ways to connect You can check if it's working by having a look at the [CODE] table. Look for [CODE] under [CODE] . It might take a few minutes to kick in, if not try restarting the service... | 1 | 0 | 217 | 2015-07-21T14:40:27.653 | database_errors | serverfault.com | |
106,304 | Are AD names with more than one dot legal? | About Microsoft Active Directory domains: Is it legal to have a domain with a name containing two (or more) dots? I.e., is "foo.bar.baz" a legal AD domain name? Is "dmz.foo.bar.baz" a legal AD domain name? If an AD domain name with more than one dot is legal: Are there any problems regarding ADs with names that have mo... | Yes they are. No there isn't. | 4 | 0 | 1,998 | 2010-01-26T06:06:09.927 | infrastructure | serverfault.com | |
118,777 | Estimated row size and estimated data size is incorrect | I have a 9 million record table that is about 452MB in size (disregarding NC indexes). Below is physical stats and the columns As a simple example, if I dump the table into a temp table, the actual plan shows a whopping 42GB estimated and actual data size. See image below. I suspect this is due to the two varchar(4000)... | SQL Server just uses a ballpark estimate for [CODE] that each value will on average be half the column capacity . So each [CODE] will be estimated at 2,000 bytes. You have two of them so that explains the bulk of the 4,496 bytes estimate. It seems that in reality you could reduce the maximum size of these columns. This... | 3 | 6 | 7,562 | 2015-10-21T16:21:37.377 | database_errors | dba.stackexchange.com | |
298,492 | Query Times Worsen on 1 Server Vacuum/Analyze on Postgres 9.6 | We have a query which is called approx 15,000 times during the day. The query itself should take a few milliseconds to run. I like to think we have the appropriate indexes in place for the query: [CODE] When explain analyze the query can see one server differs massively from the other. Both environments have had a vacc... | The cost estimates of the fast and slow plans are pretty close together, so just random variation in the sampling method from ANALYZE to ANALYZE could push one over the other in an unpredictable fashion. But that also means you don't need to get much of a change to push it back over to the actually fast one. The misest... | 0 | 1 | 140 | 2021-08-24T15:57:38.640 | database_errors | dba.stackexchange.com | |
261,100 | Startup Script + Local System user = no functional program UI | I currently have a group policy startup script (CMD file). It runs during startup, as expected, but there is no UI for the program the script invokes. For example purposes, let's say I have this command as my startup script: [CODE] ^ This invokes "Notepad" to run, and writes output to a textfile (foo.txt). Pretty simpl... | Getting the UI to display is going to be a real pain. First, I'd consider wrapping these programs in a service wrapper (like Non-Sucking Service Manager , for example) and letting the Service Control Manager start them on boot. From the sound of your comment these programs really should be coded as Windows services any... | 0 | 5 | 1,751 | 2011-04-18T23:44:14.947 | infrastructure | serverfault.com | |
88,050 | IIS 7.5 on Windows 7 x64 Ultimate is missing the Management Service icon | IIS 7.5 on Windows 7 x64 Ultimate is missing the Management Service icon which is present in IIS 7.5 on Windows Server 2008 R2. Is it possible to enable it, or is it possible to access the Management Service configuration panel in another way? Edit 1: After enabling Web Management Service on both Windows Server 2008 R2... | Remote Administration against a Windows client SKU (like Windows 7 or Windows Vista) is not supported (WMSVC will not allow connections). That means that the Management Service UI is not required not supported on those SKUs. If you want to allow Web Deploy support to do remote publishing to client SKUs you will need to... | 17 | 7 | 21,910 | 2009-11-25T03:47:51.817 | infrastructure | serverfault.com | |
663,454 | sshd on a minimal Linux: "Failed password for invalid user root" | I'm trying to start SSH server on a minimal Fedora installation. And I mean really minimal: one that is produced by diskimage-builder ramdisk builder. It does not even have users (absent [CODE] etc). So, now I'm trying to run sshd on such a system. During the build I copy [CODE] { [CODE] , [CODE] , [CODE] } from a mini... | Perhaps you didn't see this comment in the default [CODE] file? [CODE] On Fedora and Red Hat, you must enable PAM authentication. | 1 | 3 | 18,182 | 2015-01-29T16:32:30.637 | infrastructure | serverfault.com | |
278,435 | Problem with unmasking a database user during a sproc | I am having an issue with a stored procedure that refreshes dynamic data masking on a database. This sproc is run as a job against all databases on this server. The problem that I have is that I have a system database user that handles API calls to the application that these DBs are a part of. We'll call the user "apiu... | To be honest, I've never used SQL Server masking before so this is mostly a guess, but if you try to run just the line of code [CODE] directly, does it work? I'm thinking by executing dynamic SQL you're running into the same limitation as if you created a temp table with dynamic SQL and then tried to access that table ... | 1 | 0 | 288 | 2020-10-21T14:37:38.880 | database_errors | dba.stackexchange.com | |
63,905 | The added layer must be an instance of class Layer. Found: <keras.layers.normalization.BatchNormalization object at 0x0000024B0C16B780> | I don't know why BatchNormalization is giving the following error. Googled out but couldn't find any relevant answers My code appears to be this: | How did you import "BatchNormalization" layer? I had the same error and the solution was changing the way I was importing: [CODE] I put the BatchNormalization with all the other layers, and it work in my case. Hope it is useful. | 0 | 0 | 5,245 | 2019-11-28T07:41:38.340 | data_quality | datascience.stackexchange.com | |
161,229 | Misleading ERROR: relation [“schema_name.table_name”] does not exist | Should not it be [CODE] instead? Lots of people use case sensitive relation names with dots and so forth. Eg: [CODE] I am used to getting this error so much that I did not notice that it is misleading. And yet today I hit it with [CODE] and realized that error should not use double quotes like this. Is it intentional o... | You're creating a table with a dot identifier. [CODE] But, then if you quote it again there.. [CODE] So instead use this if you want to be goofy, [CODE] Or, simply never quote identifiers . Quoted identifiers can contain any character other than a double quote itself. (To include a double quote, write two double quotes... | 3 | 0 | 9,488 | 2017-01-16T14:34:43.840 | warehouse_errors | dba.stackexchange.com | |
13,466 | Terragrunt Linter | I'm having troubles using HCL files at VSCode. When I open the HCL file the indentations are messy. So I fix it and close the file, when I open again...messy again... Someone know a add-ons to works with HCL files? The official Terraform from Hachicorp not works, because I'm using Terragrunt Syntax. I tried too the ano... | Until an add-on will be available, you can run this: This will recursively search the current working directory for any folders that contain Terragrunt configuration files and run the equivalent of terraform fmt on them. [CODE] Or this, to format a sepcific file: [CODE] https://terragrunt.gruntwork.io/docs/getting-star... | 6 | 4 | 5,480 | 2021-03-02T22:39:51.150 | pipeline_ops | devops.stackexchange.com | |
282,679 | Specified key was too long creating primary key | Simple question: what is wrong here? Using [CODE] ( CHARSET=utf8mb4 ) makes the internal fields larger. What is the maximum field size for UTF8 keys? We need to guess? [CODE] How hard is for [CODE] to give a better error message? btw: The answer, by trial and error, is 191 * 4 + 4 = 767. [CODE] Ver 15.1 Distrib 10.1.47... | 767 Limit in InnoDB Indexes lists 5 work arounds for the 767 problem. But, these days, the preferred solution is to upgrade: This problem exists before the limit was raised in 5.7.7 (MariaDB 10.2.2?). | 0 | 0 | 162 | 2021-01-06T16:47:04.823 | database_errors | dba.stackexchange.com | |
194,820 | Writing your own framework or using an existing one? | I know there are similar questions to this one, and I've read most of them. Most of the answers to these questions are talking about "cost-effectiveness" and "time-saving" aspects of the frameworks, which are huge reasons in favor of using frameworks. I'm a pretty new .NET developer and I'm trying to learn stuff like W... | I'm a pretty new .NET developer and I'm trying to learn stuff like WPF, MVVM, layered architecture design, dependency injection, logging, database access, test-driven development, and many more different technologies/techniques. I've seen a great talks once about how to learn something quickly (sorry, can't find it): F... | 6 | 4 | 3,837 | 2013-04-13T12:15:08.577 | api_errors | softwareengineering.stackexchange.com | |
540,528 | indexing logs for fast repeated grep/search | I have sets of verbose logfiles that in the course of solving a problem, I will repeatedly regrep. I usually have about 1-10GB sets of 50-150 files, that I'll spend a few hours with and then never look at again. Even with an SSD and lots of RAM it can take a few dozens of seconds to get results. It also only pegs 1 cor... | Your best bet is probably more complicated than you are willing to set up, given your requirements , such that they are. Use a logging aggregation stack that can read/tail the files for you ( fluend , index them Elastic Search and present a pretty interface Kibana for you. Just configure it to delete them as often as y... | 0 | 1 | 263 | 2013-09-20T15:52:34.813 | infrastructure | serverfault.com | |
366,613 | Finding all network addresses associated with a given hostname | Scenario: a server is multi-homed to a variety of networks (perhaps it is a jump box) DNS has the hostname registered only on one network (the management interface, perhaps) Problem: without logging-into the server, report all interfaces currently configured, and the IP addresses in use Question: How would you do this ... | Look into the linux arp command. I hope windows has a similar command. "ARP stands for Address Resolution Protocol, which is used to find the media access control address of a network neighbour for a given IPv4 Address." You may need to run the arp command on each network the server is part of. If you have access to fi... | 1 | 7 | 3,159 | 2012-03-05T22:03:06.753 | infrastructure | serverfault.com | |
742,368 | psql: duplicate GSS authentication request | What does it mean by saying 'duplicate' ? How to troubleshoot this? guest@www:~$ klist Ticket cache: FILE:/tmp/krb5cc_1000 Default principal: user/admin@SOHONET Valid starting Expires Service principal 12/11/2015 07:37:08 12/11/2015 17:37:08 krbtgt/SOHONET@SOHONET renew until 12/12/2015 07:37:05 12/11/2015 07:37:10 12/... | I have seen this error when the server side user does not match the user I am trying to log in as. In your case you are trying to log in as [CODE] while your TGT is for [CODE] . [CODE] is the service principal, it is not the user you should authenticate as. Try logging in as [CODE] instead, and make sure the user or an... | 0 | 0 | 944 | 2015-12-11T09:14:35.777 | data_quality | serverfault.com | |
1,003,048 | Password Synchronization between two forests or in one forest; using replication or using MIM to synchronize? | So we have got a domain (e.g. contoso.local) which is replicated over 4 DCs. All DCs are in the same Subnet. All users reside in the same OU in this one domain. All Workstations are in their own OU as well. Now we got a small (5 people) office, which is not connected with a WAN. There is a FRITZ!Box for the internet co... | You are adding complexity to this that you don’t need. For a 5 person office I would just have them be a part of your big domain. You just need to configure site and service in AD. You could configure a child domain as well. Your plan will fail because you cannot have duplicate objects in AD. | 0 | 0 | 586 | 2020-02-14T09:24:09.147 | database_errors | serverfault.com | |
157,080 | Ubuntu 10.04 keep disconnecting idle ssh connections after few minutes? | I just installed a new Ubuntu Server 10.04 and I observed that if I do not use my connection for a while it will just disconnect me. This never happened to me on CentOS or even on older Ubuntu. /var/log/auth does not contain any hints regarding the disconnections. Inside /etc/ssh/sshd there is line with [CODE] . What i... | Based on your comment , just add the following to your /etc/ssh/sshd_config [CODE] | 1 | 0 | 2,690 | 2010-07-02T17:32:52.443 | infrastructure | serverfault.com | |
612,584 | Ubuntu server with high load on virtualbox | I have a an Ubuntu 12.04 x64 image, which i use for different customers on different virtualisation systems. Current customer uses VirtualBox and the system has a high load on it and response very slowly. top output: [CODE] Here is an output of "ps aux" [CODE] The guest has 32gb RAM and 4 Cores assigned. CPU is a Intel... | Server communicates with the devices attached to it through IRQs (interrupt requests). When an interrupt comes from a device.If ksoftirqd is taking more than a tiny percentage of CPU time, this indicates the machine is under heavy interrupt load. check logs with lspci Check this link for reference: https://askubuntu.co... | 0 | 1 | 2,746 | 2014-07-15T07:31:54.903 | infrastructure | serverfault.com | |
945,763 | LiteralPath not working on PowerShell 5.1 Windows Server 2012 | For some PS script, I need Get-ChildItem to work with '\\?\...' I tried with the original version, 4.0, but no luck : [CODE] I tried on my PC (Win 10 1703) and it works correctly : [CODE] (I copy pasted the command so no problem here) I read somewhere that it was working from PS 5.0 and onwards, therefore I installed P... | Looks like you are not running the newest PS 5.1 build. It should be something like [CODE] . How did you update your PowerShell? I would recommend getting newest WPF 5.1 from the MS Docs Update Did some digging, and it appears that for server 2012 and below the highest build number available is a 5.1.14xxx from the WPF... | 3 | 0 | 1,964 | 2018-12-18T07:45:11.220 | infrastructure | serverfault.com | |
537,950 | Can Dell storage servers be upgraded to full OS installations? | I have a Dell NX3000- which is a Windows Server 2008 based unit. It has an additional cabinet full of drives attached, as well. I have spare licenses for Windows Server 2012 Standard that could be applied to this unit to turn it into a smb 3.0 server. Obviously, this is not a supported configuration from Dell but are t... | Absolutely. The NX3000 is essentially just a "rebranded" PowerEdge R710. You can use the process below to rebrand a system back to PowerEdge if you'd like, as this will ensure full OS compatibility. It's really not much more than a "switch" that Storage Server installations check for before deploying, so your Server 20... | 3 | 5 | 2,643 | 2013-09-11T01:51:46.133 | infrastructure | serverfault.com | |
985,352 | AWS certificate renewal | I received an email from AWS that instructs me to renew my SSL certificate for my domain. My certificate is managed by ACM and my DNS is hosted in Route 53. I follow the instructions provided on this page (I'm using DNS verification): https://docs.aws.amazon.com/acm/latest/userguide/gs-acm-validate-dns.html However, af... | It isn't apparent exactly why, but you didn't actually "renew" your certificate -- it appears you were issued a new one. This is actually better than renewing because verifying the transition is easier. You'll need to go to the services using the cert (Load Balancers, Beanstalk, CloudFront, API Gateway) and reconfigure... | 1 | 2 | 1,128 | 2019-09-23T22:12:10.123 | api_errors | serverfault.com | |
151,751 | List structures in memory | Could anyone give an overview of how list structures which are composed of a head and a tail which references the rest of the list i.e linked list are represented in memory of the computer? Does the computer make use of cpu registers to hold the pointers the head and rest of the list? | Could anyone give an overview of how list structures which are composed of a head and a tail which references the rest of the list i.e linked list are represented in memory of the computer? In a naive implementation, each node is allocated separately, so the nodes would be spread more or less randomly through the heap ... | 2 | 8 | 302 | 2012-06-06T10:14:30.127 | api_errors | softwareengineering.stackexchange.com | |
316,265 | ADF: TempDb to user table very slow | I have a Azure Data Factory Data Flow that writes ~250 Mio. rows (~100 GB) to a MS Sql Server 2019. Currently, I have set the 'Use TempDB' option to true: The first part of the job, i.e. writing all the data to the temporary table is fairly quick (~2h). As I can see in the activity monitor, it then basically copies to ... | waiting PAGEIOLATCH_SH is SQL Server reading pages from disk into memory. Since no reasonable database works with data on disk, the best way to reduce this wait is generally to have more memory available for SQL Server to cache data pages in. You mentioned the table being ~100GB in size, so you'd need over that to full... | 0 | 0 | 313 | 2022-08-31T07:36:52.283 | database_errors | dba.stackexchange.com | |
899,141 | KVM on a VPS Ubuntu 16.04 LTS (headless) libvirt-sock: No such file | I am trying to create a KVM server on a (remotely hosted) VPS (Ubuntu 16.04 LTS). I have installed these packages [CODE] This does return VMX (8 times) [CODE] returns [CODE] However when I run the following command [CODE] It returns: [CODE] When running [CODE] it returns: [CODE] I'm pretty much stuck here, the libvirt-... | Your "VPS" is actually an OpenVZ Linux container, rather than a fully virtual machine. Libvirtd cannot start inside OpenVZ containers. You'll need to obtain a VPS which is based on nestable virtualization, such as KVM, Hyper-V, Xen, VMware, etc., and on which the provider has enabled nested virtualization. | 0 | 0 | 786 | 2018-02-27T15:33:25.330 | infrastructure | serverfault.com | |
457,327 | MySQL Replication A->B->C | I was setting the MySQL Replication for master -> slave/master -> slave and Replication for master -> slave its works fine but when i have enable this option in my.cnf [CODE] for updating the master bin log my replications is starting be slower and the time [CODE] is growing. I use innodb engine but the DB is big. Any ... | Hi i solve the problem by improving the performance for innodb. Generally I improved io operations for it. [CODE] also i did change to btrfs [CODE] after those changes all works fine ;) thx for help | 2 | 0 | 319 | 2012-12-12T06:32:06.377 | database_errors | serverfault.com | |
179,606 | "Address already in use" error from socket bind, when ports are not being used | I can not bind (using C or python sockets) to any port in the range: 59969-60000 Using lsof, netstat and fuser I do not see any processes using these ports. Other ports such as 59900-59968 and 60001-60009 I can bind to them. My OS: is CentOS release 5.5 (Final) 2.6.18-194.3.1.el5 There must be something missing? Anyone... | I would check local firewall settings. Since iptables is not a separate process it will not usually show up in lsof, netstat, and fuser. What is the output to "sudo iptables -L -n"? | 1 | 1 | 2,763 | 2010-09-09T16:37:54.557 | infrastructure | serverfault.com | |
158,122 | Problems redirecting Error 400 Bad Request to custom page | I've edited my [CODE] file to the following : [CODE] Now the error 404 redirects correctly, yet if I enter an address like [CODE] the server doesn't redirect the 400 error, but displays the default apache message. What am I doing wrong? | Quotation from Apache documentation : Although most error messages can be overriden, there are certain circumstances where the internal messages are used regardless of the setting of ErrorDocument. In particular, if a malformed request is detected, normal request processing will be immediately halted and the internal e... | 4 | 6 | 14,180 | 2010-07-07T08:31:04.847 | infrastructure | serverfault.com | |
143,145 | How to recover from finite-state-machine breakdown? | My question may seems very scientific but I think it's a common problem and seasoned developers and programmers hopefully will have some advice to avoid the problem I mention in title. Btw., what I describe bellow is a real problem I am trying to proactively solve in my iOS project, I want to avoid it at all cost. By f... | I am sure you already know this but just in case: Make sure every node in the state diagram has an outgoing arc for EVERY legal kind of input (or divide the inputs into classes, with one outbound arc for each class of input). Every example I have seen of a state machine uses only one outbound arc for ANY erroneous inpu... | 14 | 7 | 3,572 | 2012-04-05T11:53:49.107 | database_errors | softwareengineering.stackexchange.com | |
52,955 | Easy Table Partitioning in SQL Server 2005 for Fact Tables? | I've been reading the article at http://msdn.microsoft.com/en-us/library/ms345146(SQL.90).aspx in preparation for implementing some partitioning. I have several tables I want to partition on a [CODE] integer, and I'd really like to be able to handle this very simply - add new partitions on the end as I publish a new mo... | Table partitioning is very database specific as the names of the file groups and paths for the new files being added to the file groups are all specific to the individual database. You should be able to fairly easily configure a stored procedure with the needed commands to handle the moving of data through the partitio... | 1 | 1 | 841 | 2009-08-11T21:22:20.170 | database_errors | serverfault.com | |
158,563 | LEFT JOIN on BETWEEN not using indexes | I am trying to join two tables on the criteria that the value one column of [CODE] is between the values of two columns of [CODE] . Table 1 [CODE] Table 2 [CODE] The query: [CODE] An [CODE] for the query shows that no index is used, with the information 'Range checked for each record (index map: 0x7)'. This is a perfor... | Overlapping ranges is an especially difficult problem to optimize. However, here is a technique that provides significant performance, but it requires major change to the schema. Add another table; let's call it [CODE] . It contains two columns: [CODE] Then, to look for the number [CODE] , first look up [CODE] in [CODE... | 1 | 1 | 3,700 | 2016-12-19T13:03:22.747 | database_errors | dba.stackexchange.com | |
403,863 | Unit testing async tcp server | I built an async multi-client TCP server for RPC usage. It's working well but I've found it difficult to unit test certain functionality: Connect 2x clients, is client count 2 Connect 1x client, disconnect client, is client count zero I want to test that the server is robust with handling disconnects and multiple conne... | By exposing [CODE] on my [CODE] , I was able to resolve this. APIServer.cs [CODE] Unit Test [CODE] | 0 | 1 | 1,710 | 2020-01-15T23:49:44.247 | api_errors | softwareengineering.stackexchange.com | |
300,406 | Suddenly, started getting "ERROR 2026 (HY000): Unknown SSL error" | MariaDB instance has been running well for ages, and suddenly, starting about 30 minutes ago, my apps get this error trying to connect: [CODE] My certs have been always under "/etc/my.cnf.d/certs/", generated by LetsEncrypt. They expire on 2021-11-04, last modified date 2021-08-06. my.cnf: [CODE] Looking at the logs, t... | Alright... for those who have the same problem, Run this if you haven't yet: [CODE] If you get [CODE] , it may have been already run automatically - in my case, it was on Sep 24: [CODE] And then run in your MySQL instance: [CODE] This resolved my problem! | 0 | 1 | 1,947 | 2021-09-30T14:41:22.300 | database_errors | dba.stackexchange.com | |
297,717 | basic subquery evaluation | I am new at subqueries. Is there a general strategy on how basic subqueries are evaluated and executed (besides from sql engines automatically optimizing them). For example, consider this select query: [CODE] how would the execution plan be if we convert it like this? [CODE] More specifically, In the second example, wi... | Let's take an analogy with application development. There, a functional spec describes the behaviour of the system. It details, amongst other things, what the outputs should be, how they're formatted and how they're sorted. The programmer is free to implement these requirements in any way so long as the specified condi... | 1 | 3 | 314 | 2021-08-07T07:08:54.713 | database_errors | dba.stackexchange.com | |
475,997 | Facing authentication error on postgres 9.2 -> dblink functions | I am using postgres 9.2 and when executing function dblink facing a fatal error while trying to execute dblink_connect as follows: SELECT * FROM dblink_connect('host=127.0.0.1 port=5432 dbname=postgres password=test') ERROR: could not establish connection DETAIL: FATAL: password authentication failed for user "NETWORK ... | You need to specify the [CODE] parameter in the connect string, for example: [CODE] otherwise it's taken from the user account's name and obviously it's not suitable in your case. | 0 | 0 | 1,888 | 2013-02-06T11:25:32.667 | api_errors | serverfault.com | |
143,053 | SUM (CASE WHEN) AS.. query | I'm very new to SQL and I'm trying and failing to get the right syntax on what I presumed would be a pretty easy query. I have a table (CustomerSales) with four columns: [CODE] : a combination of year and month, e.g. [CODE] is January 2015; [CODE] ; [CODE] ; [CODE] , i.e. customer segment. I currently have the below qu... | You simply need to balance your [CODE] . Either delete the [CODE] between [CODE] and [CODE] or add a [CODE] after [CODE] . | 1 | 1 | 23,077 | 2016-07-05T22:33:45.180 | warehouse_errors | dba.stackexchange.com | |
472,086 | Cryptic XmlException when trying to run azure powershell cmdlets | I get similar errors trying to run a variety of Azure commands: New-AzureService Get-AzureAffinityGroup Get-AzureCertificate Get-AzureDeployment etc. Get-AzureService : The 'BR' start tag on line 6 does not match the end tag of 'FONT'. Line 7, position 3. At line:1 char:17 + get-azureservice The only other instance of ... | And here's the fix I found: Looks like it's a proxy error. Resetting the default web proxy's credentials fixed the error messages. Try: [CODE] | 1 | 0 | 117 | 2013-01-24T15:50:29.220 | pipeline_ops | serverfault.com | |
135,217 | Cross-cutting I18N native support in databases | Does a database engine with native cross-cutting internationalization support exist, able to store data like this? [CODE] i.e. able to store values in a third dimension, such as a locale in this case? Clarification In the example above, just [CODE] should be affected by [CODE] by a special definition in this kind of da... | With PostgreSQL you can simulate something like using views and environment variables. [CODE] | 2 | 3 | 486 | 2016-04-13T22:08:14.027 | data_quality | dba.stackexchange.com | |
137,609 | Table data is not getting dumped | This is just for test purpose. I'm taking backup (INNODB DB) with --single-transaction and from another terminal I'm running alter table on one of the table of same DB on which dump command is running.Altered table is getting dumped with altered structure but DATA is missing.I repeated this test 3 times and same result... | When you use mysqldump --single-transaction , you are not supposed to break the transaction. I wrote a post 1.5 years ago discussing the SQL that can break transaction : Transactional DDL workflow for MySQL In the future, never run DDL during a mysqldump because it triggers an implicit commit. | 0 | 0 | 114 | 2016-05-05T07:38:46.193 | database_errors | dba.stackexchange.com | |
139,309 | CRON and RMAN Backups | We run RMAN backups via CRON jobs, but find the out-of-the-box emails with CRON to almost do what we want. I know we can channel the RMAN output to /dev/null so no email is sent, which for any successful run of RMAN is the desired outcome, but if the RMAN job runs into an error, I would like the entirety of the standar... | I write a bash script to perform the backups (RMAN, datapump and also xtrabackup and dump for MySQL in a similar way) and then call that from cron. That way you can handle the email as you want. So a simple crontab line is like this [CODE] Then everything is done in the script. So define some common variables including... | 2 | 3 | 3,693 | 2016-05-23T20:39:18.457 | database_errors | dba.stackexchange.com | |
90,343 | How to view full blocking postgres queries? | I'm using a statement from this page to view blocking queries in Postgres [CODE] However the queries are truncated so I typically can't see what's in the [CODE] clause which makes debugging these blocking issues very hard. Is there a setting where I can tell postgres to log the full queries to [CODE] | The length of the query tracked can be found in the parameter [CODE] . 18.8.1. Query and Index Statistics Collector [CODE] Specifies the number of bytes reserved to track the currently executing command for each active session, for the [CODE] field. The default value is 1024 . This parameter can only be set at server s... | 9 | 11 | 19,007 | 2015-01-27T19:53:10.263 | warehouse_errors | dba.stackexchange.com | |
874,012 | Windows Server 2016 or Cisco 1900 router as vpn device for a connection with active directory authentification? | I am relatively new to vpns, so please excuse me if my question is a little bit off. In my test scenario i have a small company network with a client to site vpn. This network contains a DC, Fileserver, Sharepoints and so on... Users of the vpn connection should only authenticate with their AD accounts. The vpn server ... | For your first question: My preference is to have the VPN terminate at the router. Then you are controlling access at the boundary of your network. For your second question: AD authentication can be done either with a radius server or LDAP server. LDAP is slightly easier because you just need the right LDAP configurati... | 1 | 0 | 266 | 2017-09-16T17:08:49.440 | api_errors | serverfault.com | |
388,598 | How to (or should I) refactor RxJS nested subscriptions with intermediate return value? | I hope this fits more here than SO because it is mostly about code design than making it work. Also, this is not tied to RxJs, but more to the reactive paradigm. (TypeScript tag is only added to make the code highlighted.) So this is what the code looks like, though this is just an overview. Actual function names are d... | Yes, you should definitely refactor this code to use regular return values. The use of Rx simply doesn't make any sense in this context. Assuming the whole application is developed in this style, you have quite a task before you. You certainly want to do this one step at a time and make sure you always have a working a... | 3 | 0 | 916 | 2019-03-14T09:52:16.210 | api_errors | softwareengineering.stackexchange.com | |
797,372 | How to avoid information message of sqlcmd? | I'm writing script to connect database & execute store procedures, which works fine. But sqlcmd prints extra information message/ invalid characters to command line. Sqlcmd version 13.0.0000.0 Linux is used. Refer following error message, for tryouts I had created sample script [CODE] Sample script, [CODE] I'm not gett... | sqlcmd is command line utility & [CODE] messages are prompt message. To avoid prompt message you have to specify input through input file. Use -i switch to give input file. e.x. [CODE] . Additional info, to avoid command line error message you can update flag using -m 0(default)/1. This switch avoid command line error ... | 0 | 0 | 1,010 | 2016-08-17T13:17:06.703 | infrastructure | serverfault.com | |
253,815 | MySQL had to be shutdown because of a faulty JS script. Now it won't start anymore even if no changes were made | Edit: It seems this issue is happening for a lot of people: XAMPP - Error: MySQL shutdown unexpectedly https://community.apachefriends.org/f/viewtopic.php?f=16&t=78728 Same exact error. This is my local setup and there are the logs: [CODE] I made a mistake in my JS script, which prompted everything a heavy infinite loo... | I ran file MD5 checks against the whole folder that I saved just 2 days ago. There was virtually no difference between the files beloning to XAMPP at all. The only affected items were the ones I worked on. Then I looked at what operations XAMPP does and if there's any cache / temporary config files. There's none. XAMPP... | 1 | 0 | 320 | 2019-11-21T07:50:34.077 | database_errors | dba.stackexchange.com | |
876,347 | 'https_log_t policy' of SELinux is not taken into effect | I was trying to set up a virtual host using apache [CODE] on a Digital Ocean Droplet running Fedora 26 Server. And I followed this tutorial: How to Set Up Apache Virtual Hosts on CentOS 7 , assuming the similarities between Fedora and CentOS. I have followed the tutorial to set up this virtual host as follows: [CODE] H... | I found out the issue was that the two log files specified in the vhost configuration was not created, and it seems that [CODE] does not have the power to create it somehow . So I created an empty [CODE] and [CODE] in [CODE] , re-did the [CODE] and [CODE] commands, to get the correct output: . [CODE] And after a [CODE]... | 1 | 1 | 1,145 | 2017-10-01T10:50:24.783 | infrastructure | serverfault.com | |
1,043,679 | Apache virtualhost is redirecting to the wrong virtualhost | I am trying to implement a second domain within an existing digitalocean droplet. Because I'm on DO, I followed the answer by ryanpq on this thread: https://www.digitalocean.com/community/questions/is-it-possible-to-install-another-wordpress-on-droplet Similar to the commenters on that thread, my newer site redirects t... | Configuration error? First of all, your [CODE] file does not contain a closing [CODE] tag. Since this file gets loaded before [CODE] the second domain probably does not get loaded correctly. Do you get any errors when reloading Apache? You can use [CODE] to verify both virtual hosts are loaded correctly. Domain Name Sy... | 2 | 2 | 2,276 | 2020-11-24T05:35:48.577 | infrastructure | serverfault.com | |
222,001 | Can a pure-functional solution to this problem be as clean as the imperative? | I have an exercise in Python as follows: a polynomial is given as a tuple of coefficients such that the powers are determined by the indexes, e.g.: (9,7,5) means 9 + 7*x + 5*x^2 write a function to compute its value for given x Since I am into functional programming lately, I wrote [CODE] which I deem unreadable, so I ... | Horner's method is probably more computationally efficient as @delnan points out, but I would call this pretty readable in Python for the exponentiation solution: [CODE] | 10 | 14 | 956 | 2013-12-20T17:12:55.940 | api_errors | softwareengineering.stackexchange.com | |
1,040,195 | Can't remove fixed IP from OpenStack | I tried to remove a fixed ip but it doesn’t work. [CODE] When I check the IP it still exists. Document: https://docs.openstack.org/python-openstackclient/pike/cli/command-objects/server.html The stack is running. Do I need to stop the instance? | My friend, you should delete your useless IP in port, in OpenStack documentation we see this note: If attempting to allocate an IP that has a port associated with it already, ensure the port is deleted beforehand. and: If the port is active, remove the IP from the instance with which the port is associated, or delete t... | 0 | 1 | 1,881 | 2020-10-27T08:04:03.663 | infrastructure | serverfault.com | |
316,360 | Select * Order by vs Select column Order by performance | I have the following tables [CODE] Which one of these selects will perform better? [CODE] Here's the query plans for both the select statements: select * plan: https://www.brentozar.com/pastetheplan/?id=SyY21P0Jo select productId plan: https://www.brentozar.com/pastetheplan/?id=BkK-gwA1i From what I see both the plans ... | From what I see both the plans are same. Indeed in this case you are getting the same shaped query plans. This won't always be the case. Is there a performance difference when doing select * order by vs select column order by? Yes, even in your case with the same shaped query plans, there's a performance difference (th... | 5 | 11 | 3,777 | 2022-09-01T16:41:03.560 | database_errors | dba.stackexchange.com | |
912,670 | How can Windows 8 downgraded to 7 be upgraded to 10 without a clean install? | There's a lot of detail below but I'll ask my question at the top: How do I upgrade to Windows 10 from an installation of Windows 8 downgraded to Windows 7, assuming the product key is accepted by the Microsoft activation servers? I'm also finding a Windows 8 installation that won't boot and a Windows 7 installation th... | Starting from Windows 8 the product key of the original preinstalled OS is embedded in the BIOS, replacing the OEM sticker that used to rub out. The product key can be obtained using command: [CODE] It might be that this product key is recognized as Windows 8 product key while you are running the installer on Windows 7... | 1 | 4 | 125 | 2018-05-17T11:36:42.170 | infrastructure | serverfault.com | |
271,238 | Windows 2008 R2: can't extend C drive, mystery partitions | I have a Windows 2008 R2 server running under VMware ESX 4.0.0. I have reallocated disk space to it in order to extend the C drive, but Disk Management has "Extend Volume" greyed out. [CODE] shows more partitions than Disk Management shows, including one after the volume I'm trying to extend, which would explain why Di... | A few hours later, "Extend Volume" became active. The tech that performed the extension didn't look at the partitions before he did it, but now with the extension complete, it shows the same mystery partitions, with #4 "magically" relocated to after the extended #3. The only thing that any of us can think of that was d... | 0 | 1 | 8,106 | 2011-05-18T22:16:55.057 | infrastructure | serverfault.com | |
114,078 | Why should company choose VB.NET over C# | Possible Duplicate: VB.Net vs C# debate Are there any actual reasons why company should choose VB.NET over C#? I work for a company which develops medical software and switched from VB6 to VB.NET several years ago. There were two reasons to switch to VB.NET but not to C# at that moment: VB.NET is more similar to VB6 an... | Mostly legacy reasons: Existing devs don't know C# Lots of existing VB6 / VB.Net code Hard to find C# devs locally Stuck on earlier versions of Visual Studio (which had better inlellisense for VB.Net) Prior investment in VB.Net tools (e.g. only having VB.Net version of Resharper) Liking VB.Net more than C# | 1 | 5 | 1,758 | 2011-10-13T04:26:06.923 | data_quality | softwareengineering.stackexchange.com | |
130,028 | Insert performance increases under load: Why? | I have a piece of code that performs inserts into highly denormalized tables. The tables have numbers of columns ranging from ~100 to 300+. This is SQL Server 2008 R2, running on Windows Server 2008. Each insert consists of inserting to a number of tables under the same transaction. Some inserts are batched by NHiberna... | One possible reason is that four concurrent processes generate a more favourable pattern of log flushes - typically meaning that each log flush writes more data than is the case with a single executing process. To determine if transaction log throughput/flush size is a factor, monitor: sys.dm_os_wait_stats for [CODE] a... | 19 | 15 | 1,512 | 2016-02-22T10:09:33.317 | api_errors | dba.stackexchange.com | |
72,178 | How do I properly design a many-to-many (charges/payments) accounting system? | This is just as much a db/programming question as an accounting/math question, so I'm actually posting to all relevant boards. I appreciate your patience in advance. Basically I'm having trouble wrapping my head around a payments ledger. My system has three tables: CHARGES, PAYMENTS and a PAYMENTS_TO_CHARGES. The issue... | The book Analysis Patterns by Martin Fowler has a comprehensive section on Accounting patterns that I have found very useful. He does take flexibility in the design a very long way, further than many would need, but you can stop at whatever level suits you. He has also published an article with similar content. This ca... | 4 | 6 | 2,173 | 2011-04-28T17:01:17.420 | api_errors | softwareengineering.stackexchange.com | |
395,147 | postfix relay access denied from some IPs | This is driving me nuts. I have Postfix/Dovecot set up on Centos 6 VPS for my emails. I can send and receive emails without any problems on my outlook (home broadband), on my Android phone (3G connection), however when I set up exactly the same email account on Outlook at my friends house I'm getting bouncebacks when I... | Is smpt auth configured correctly on the new client computer? My guess is that since everything works on your other machines you've simply forgotten to configure it within Outlook. If this isn't the case you should try to send an email from a computer that works, look at the logs, send from the non working machine, and... | 0 | 1 | 140 | 2012-06-03T15:41:14.577 | infrastructure | serverfault.com | |
176,822 | How come an INNER JOIN returns zero rows when I use coalesce? | I have the following query: [CODE] The column named [CODE] is numeric but the [CODE] conditions are not being fulfilled so it returns a blank value instead of a [CODE] mark. How can I set this value to [CODE] instead of a blank value, I tried with [CODE] but it's not working. | The column named importe is numeric but the JOIN conditions are not being fulfilled so it returns a blank value instead of a NULL mark. How can I set this value to 0 instead of a blank value, I tried with COALESCE but it's not working. If the join conditions are not being fulfilled you have 0-rows. An INNER JOIN on fal... | 3 | 2 | 4,016 | 2017-06-20T20:26:44.150 | warehouse_errors | dba.stackexchange.com | |
177,730 | Jconsole over VPN | I'm trying to monitor a remote jvm using jconsole. I need to do this monitoring through an OpenVPN network which might me part of the problem. This is the network configuration: [CODE] When all servers are on different physical networks it doesn't work. When [CODE] and [CODE] are in the same physical network it works. ... | Long time since this question was asked, but since @mark showed some interest, here is how I eventually solved it. The problem was that the JVM was binding to the local IP address instead of the VPN IP address. It all worked by adding: [CODE] To the server that I wanted to monitor. | 3 | 5 | 1,915 | 2010-09-03T13:15:15.677 | pipeline_ops | serverfault.com | |
9,218 | What's the benefit of using Nginx to serve a Flask API on AWS? | I want to deploy a Flask API on AWS using Docker. A common way seems to be using a combination of Nginx + app server (e.g Gunicorn) + Flask app. The reason to use app server seems obvious to me. However, since I plan to use AWS ALB I'm not sure if there's a need for Nginx anymore? From my understanding Nginx is used fo... | Unless you are using the AWS API Gateway , you'll still need some way of "serving" your Flask API. You will also need to provision an EC2 instance and run something to serve your API. Instead of running a windows EC2 instance with IIS you can save about 50% operating cost and use Nginx on a linux EC2 instance. Addition... | 6 | 5 | 811 | 2019-09-20T08:21:51.447 | pipeline_ops | devops.stackexchange.com | |
184,014 | Why so many loops in pkey index scan? | My query executes very slowly despite all indexes in place: [CODE] the explain shows too many loops, why? how to fix this? [CODE] Indexes i have on table [CODE] : [CODE] On association table [CODE] : [CODE] PostgreSQL v 9.5. There are many rows, the db is quite big. The same queries for other tags (with the same number... | The issue is here [CODE] Your statistics are off for [CODE] Your planner thinks there are far fewer [CODE] then there are. You may want to try [CODE] , and trying again. Or upping statistics. [CODE] Then try [CODE] and trying again. Sounds like a typical case of bad statistics. You may want to improve your schema, or d... | 5 | 3 | 2,705 | 2017-08-21T17:48:22.493 | database_errors | dba.stackexchange.com | |
42,453 | Paramaeter estimation in noisy conditions with Machine Learning, possible? | Let's take two constants, $\alpha$ and $\beta$ , both are given by two functions $f_1(\vec{\theta})$ and $f_2(\vec\theta$ ) (the model). These functions are known: we have an analytical closed expression, that for a given set of values $\vec\theta$ , $\alpha$ and $\beta$ are retrieved. PROBLEM: The components of $\vec\... | Statistical approach This question is more related to statistics than data science, perharps you would have better answers on Cross Validated . As you suggested in the question, a purely statistical approach should work for sure (though it requires some assumptions). As i understand your problem, your prior knowledge i... | 2 | 2 | 114 | 2018-12-11T12:29:48.453 | airflow_errors | datascience.stackexchange.com |
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