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370,231 | Configure VPN on ASA to log accounting via NPS | Currently we have VPN setup on an ASA 5510. I have it set to use NPS for RADIUS authentication, but I've never really configured much as far as accounting. I'm wanting to set this up to be able to tell more of what people are doing/accessing when they are telecommuting. I just have it set up pretty basic right now: [CO... | it's pretty straight forward, you can have it log to a text file, SQL DB or both. If you choose SQL, make sure you have it failover to a txt file incase the SQL server becomes unavailable. I think it will deny login requests otherwise. Me personally, I just rely on the event log, it tells me all the critical info one w... | 2 | 2 | 1,467 | 2012-03-15T20:34:05.243 | api_errors | serverfault.com | |
227,644 | Macs Claiming "This certificate has expired" After SSL Key update on a 2003 Exchange Server | For some reason after we updated our certificate on the Exchange 2003 server and the time for the certificate to expire passed all mac users started to receive the error with Entourage 2006(I think) "This certificate has expired" and it shows the old expiration date. No Windows users are getting cert errors and if I vi... | Ok, I figured this out. Older versions of Entourage require that the root certificate be imported in. This can be done under the certificate manager and by visiting the outlook web access and downloading the cert. | 0 | 1 | 308 | 2011-01-27T15:15:38.903 | infrastructure | serverfault.com | |
33,293 | Application name licensing issue | I started writing an application for Windows Phone marketplace, at the time only making sure that the name I gave it wasn't being used by any other app on the marketplace. I just found out that the same name is being used by a, seemingly popular, SourceForge project. Is this a problem? I haven't released my app yet so ... | I think that you'd probably be safest finding a new name, though if your app and the sourceforge one are sufficiently different that no connection is implied, then I think it'd be alright. Unless the Sourceforge app is trademarked or something like that. In that case you'd definitely want to rename your app. | 3 | 2 | 249 | 2011-01-03T04:08:21.190 | api_errors | softwareengineering.stackexchange.com | |
283,216 | How would I setup reverse DNS for 2 email servers? | I have an interesting DNS question (well interesting to me atleast). I just installed an hmail server in our remote office to act as an MX backup in the event our exchange server goes down. The 2 host names are mail.campbellsurvey.com mail2.campbellsurvey.com mail points to the address 98.XXX.91.XXX mail2 points to the... | Set up the pointer for each server to indicate the name of the server on that address. This should be the same as your mail server is using in its banner messages and when issuing HELO commands. PTR records are not significant for incoming messages as the remote server will trust your DNS MX records. You will want to c... | 2 | 1 | 5,671 | 2011-06-22T21:52:09.253 | database_errors | serverfault.com | |
13,947 | Log/Data rotation in Docker Container | My question is more on the concept or best practices to follow. I have two docker containers running InfluxDB and Grafana (monitoring applications). I have mounted external volume to each. now, the problem is, these containers are running for quite some time (1 year approx), i am little bit worried about Host VM resour... | You can copy the actual logs from [CODE] to archive them then clear the logs manually (since you have only 2 services, influxdb and grafana). The containers won't stop with this procedure. There is a full and clear answer on this StackOverflow question about clearing container logs. It also explains how to configure th... | 2 | 2 | 1,068 | 2021-05-18T12:19:27.387 | hadoop_errors | devops.stackexchange.com | |
283,618 | get-adcomputer error: "Invalid Enumeration Context" when running powershell script | We're switching to WDS for deployment, so I'm writing a powershell script that will ping a computer and if it responds, get its MAC address and set the netbootGUID field in Active directory. It runs and works...for a while and then returns: Get-ADComputer : The server has returned the following error: invalid enumerati... | I never resolved this. I ended up making OUs under the larger container and running this against 1k accounts at a time. Unfortunately, this will remain a mystery, since this environment no longer exists. | 4 | 0 | 7,375 | 2011-06-23T21:16:13.113 | pipeline_ops | serverfault.com | |
298,884 | How to remove user from login (user is already part of group) and keep the jobs? | I have a sql login for windows group. One of the members of ths group was also added as a sql login. This user has 1 job in which he is registered as the owner. I want to remove this user login because he is already part of group membership. If I try to delete the user (assuming he will retain all his permissions via t... | Modify the job ownership first so that the group login owns the job, then drop the login. Sample T-SQL that accomplishes that is: [CODE] When a job is created by someone logging in via a Windows Login or Windows Group, the owner is set to the name of the Windows principal name. This is one of many reasons why it's impo... | 1 | 2 | 327 | 2021-09-01T11:33:58.820 | warehouse_errors | dba.stackexchange.com | |
5,514 | SAS PROC means (two variants together) | PROC means data=d mean; var a; class b; var a; run; I want to perform the "PROC means" for continuous "var a": 1) in general and 2) by classes. But it performed by the classes only. How to make procedure for "var a" here in general too? P.S. SAS WARNING: Analysis variable "a" was defined in a previous statement, duplic... | Just run PROC means data=d mean; var a; run; for overall data | 0 | 0 | 109 | 2015-04-13T08:45:07.773 | data_quality | datascience.stackexchange.com | |
286,323 | SQL 2016 - NU/NC Index Missing From sys.partitions | Is there a reason that a non-unique, non-clustered index would have 0 corresponding records in the sys.partitions view? There is a CI on the same table and there is a record for it in the view. My understanding is that any NCI should have at least one record in sys.partitions. Thanks. | A disabled index has no storage. | 0 | 3 | 49 | 2021-03-02T23:09:00.483 | warehouse_errors | dba.stackexchange.com | |
373,300 | Embedded software architecture - What is the difference between DAL and HAL? | I'd like to know what the difference is between hardware abstraction layer (HAL) and data abstraction layer (DAL) when speaking about embedded software. I might have the abbreviations wrong though... My understanding is that at thr HAL level you use the mcu's registers while at the DAL level you don't. I wrote a quick ... | HAL = Hardware Abstraction Layer: Use a peripheral (UART, SPI, Timer, ...) with the same API on different platforms. DBAL = Database Abstraction Layer: Use Data Storage with the same API with different implementation (SQL, ...). DAL = Data Access Layer: Piece of software to ease the access of the raw database (SQL requ... | 3 | 1 | 1,395 | 2018-06-28T17:07:29.230 | api_errors | softwareengineering.stackexchange.com | |
94,083 | Accuracy on Validation and Test set, Overfit? | Just a quick question: I am building an ML model right now, however, I am receiving very similar (72.2 and 72.4 for example)% for both Accuracy and F1-Score on my Validation Dataset and my unseen Test Dataset, respectively. This is occurring on most of the baseline models I have produced for my problem right now. Is th... | If the training set, validation set and the unseen test set (as you put it) have the same score, but lower than you expected then the model has not overfitted. An overfitted model would have higher scores for the training data at least, and depending on how you optimised the hyper parameters on the validation data but ... | 1 | 1 | 1,153 | 2021-05-06T15:50:56.657 | data_quality | datascience.stackexchange.com | |
705,282 | Bacula restore gives me information "... no files were found ...", what does it mean? | I have working Bacula setup and I'm testing various restore strategies to fulfill our documentation. Everything worked fine, but since couple days I"m receiving following message: [CODE] What does this message and situation mean? It seems that all required files are available but I'm concerned that maybe I'm missing so... | I think you missed this critical detail: [CODE] Fix your hardware issues and you should not have this problem again. | 0 | 0 | 574 | 2015-07-13T09:22:19.633 | database_errors | serverfault.com | |
335,386 | Can I regularly log ship from a source to a target, while running DML on the target? | I want to have two databases on separate severs. Let's call the databases Source and Target. Target is the reporting server copy of Source. Except for the changes caused by a stored procedure that I need to regularly run in Target, I want Source and Target to be identical and sync'd up roughly once a day. All of the da... | Except for the changes caused by a stored procedure that I need to regularly run in Target, I want Source and Target to be identical and sync'd up roughly once a day. Is log shipping a suitable method to solve this problem? Nope. Log shipping creates a read-only replica on the subscriber / target side. See the docs Eri... | 0 | 3 | 37 | 2024-01-31T20:58:10.867 | database_errors | dba.stackexchange.com | |
561,569 | Multiple DHCP servers on a single physical network? | Today i got put on a project to solve a networking project for a friend who rents out multiple office suites. Internet is provided to all suites in the rent cost. The guy who originally set everything took a single fiber connection and put it into a BSD server. So essentially what is happening is that the BSD server ac... | I ended up picking up a few Cisco Catalyst 3500 XL's on the cheap and giving each suite it's own VLAN. Then i made a trunk port with 802.1q encapsulation and fed it to a BSD server with NIC's that could decode 802.1q. It works like a charm, each vlan get's its own subnet and the firewall rules prevent inter-vlan routin... | 0 | 2 | 1,936 | 2013-12-16T03:41:48.140 | infrastructure | serverfault.com | |
912,503 | MariaDb Master-master replication | I tried master-slave replication of mutliple databases of mariadb-5.5.52-1 in RHEL environment, the mariadb came as a part of nagiosxi application. while replicating from master to slave i had many duplicate errors 1602, the master cannot overwrite with the values that were in the slave. please provide me some valuable... | Hey Mohan it is unclear if you want master to master or master to slave? To set up master to slave it is pretty simple. Especially if you have done it once or twice. In this scenario Machine A is the master. You need to edit the /etc/my.cnf file on machine A In the [mysqld] section enable binary logging and define a se... | 1 | 3 | 2,231 | 2018-05-16T13:40:39.193 | data_quality | serverfault.com | |
325,775 | 1 domain name, 2 servers (one for web hosting, one for email) | I help out a charity with web development and any tech related things and out setup was (until recently): domain purchased from one company (123-reg) web hosting + email provided by another company (5quidhost) We've had a years worth of hosting with another company (Wix) donated to us, so we've changed over to that. Th... | Domains are purchased from a Registrar (sounds like 123-reg). The domain points to a DNS Server. The DNS Server is hosted by someone, no idea who in your example. The DNS server points to other server for Web (A Record) and E-mail (MX Record). A web server serves web pages. An e-mail server serves e-mail. You can have ... | 3 | 4 | 637 | 2011-10-28T16:50:16.037 | infrastructure | serverfault.com | |
107,807 | Why RECOMPILE doesn't fix parameter sniffing, but local variables do? | A developer was asking me about why his procedure wasn't running, but the query was ok. When I run the query, it was fast.But running the procedure, it was executing forever. What I did was to add at the end of the query: [CODE] It doesn't help. The procedure was like this (the slow one): [CODE] Then I did this: [CODE]... | But why the recompile didn't help? Using [CODE] is not magic. It does often produce a better-performing execution plan (at the cost of a full compilation each time) because the query is compiled each time for the specific values of any parameters at the time, and also enables parameter embedding, which may produce furt... | 1 | 4 | 1,675 | 2015-07-22T19:31:12.013 | database_errors | dba.stackexchange.com | |
166,161 | TCP load balancer recommendation | I need to load balance between 2 or 3 TCP servers. Any recommendations ? The TCP servers use their own proprietary protocol over the connection | On the software side there's LVS . | 1 | 2 | 805 | 2010-08-01T08:01:23.827 | infrastructure | serverfault.com | |
323,816 | Postgres trigger that backs up deleted records for given table + deleted_at timestamp | I have this PostgreSQL trigger that creates in a backup-table a record every time a record is deleted from a given table. [CODE] This works as intended, fiddle here: https://dbfiddle.uk/dUMhOsoS However, this function assumes that the [CODE] column is always the last one and this might change in the future if the table... | You cannot use a parameter for the column list. Use [CODE] to avoid SQL injection, then use [CODE] to interpolate that string into the statement: [CODE] | 2 | 1 | 315 | 2023-02-20T11:34:12.507 | database_errors | dba.stackexchange.com | |
453,774 | puppet agent doesn't retrieve files from master | I have a very basic question regarding to Puppet 3.0.1 configuration. I setup a puppet master server (CentOS) with 2 agents (CentOS and Windows 7), all 3 can ping and access each other. There is no error at all. I have copied a file under [CODE] my [CODE] contains these lines: [CODE] but there will no file be created o... | wow, the problem was a missspelled filename, my site.pp was named (somehow) side.pp, renamed the file and everything works again. this proofs that I sould not simply copy & paste stuffs from unauthorized tutorials. Thank everybody to deal with my problem. | 2 | 0 | 4,917 | 2012-11-30T09:34:18.507 | pipeline_ops | serverfault.com | |
184,909 | how to run SSMS as a different user? | I am running SSMS [CODE] from my local machine and it works fine. When I try to do the same, even using my own credentials, on [CODE] I get the following error: [CODE] I am currently in the [CODE] group in that server: The way to run ssms as a different user is: 1- right clink on the ssms icon if it is already running ... | I noticed you are running version 130. Apparently SSMS 2016 fails to run as different user as reported below. I have experienced this myself. Quite frustrating. https://social.msdn.microsoft.com/Forums/sqlserver/en-US/1315261c-0d9e-49bf-8334-6c0195015598/ssms-2016-fails-on-windows-10-version-1607-while-trying-to-execut... | 0 | 2 | 3,523 | 2017-09-01T14:47:36.263 | warehouse_errors | dba.stackexchange.com | |
523,463 | Microsoft Shares, not sharing | I have a machine called \shares\ There are two drives on it, the "Local Disk (C:)" and the drive I want to put the shared resources on "Shares (S:)" This is a brand-new Server 2012, and I have a test folder located within the S: drive on which I have enabled sharing for Everyone, and also specifically for myself This m... | Make sure that the account you're using to connect to the share Is an account that the server knows about (a domain account, or a local account with the same password on both systems), and Has NTFS file permissions to read and write to the share, in addition to the permissions you set on the share itself. | -2 | 0 | 81 | 2013-07-15T18:04:34.917 | infrastructure | serverfault.com | |
309,564 | How to improve our source control process | Background: We are using agile project management and follow sprints to do development. We are using a single repository in bitbucket.org that uses mercurial. Repository is hosting 3-4 products. There are many projects with 4 solutions for each product. There are some product specific projects and there are some shared... | Set up a company-level nuget repository. (I'm assuming .NET from the terminology you're using, but there are equivalents for almost all language frameworks.) Either build one on your own server , or use a service like myget , or simply use your TeamCity server's built-in nuget feeds . Deploy your common code in package... | 3 | 6 | 213 | 2016-02-08T08:10:17.780 | api_errors | softwareengineering.stackexchange.com | |
244,442 | apache ssl cert issues | Possible Duplicate: Hosting 2 different SSL domains on the same IP I have 2 domains with two different certificates from the same CA. I'm using CentOS and am wondering how to set this up for 2 certificates. In my ssl.conf file, I have: [CODE] In my http.conf file, I'm overriding these values for the second domain: [COD... | I'm assuming Apache since those are Apache configuration options. You're probably hitting the common mistake of trying to run two domains on the same port and IP. Since SSL happens before the HTTP request is sent, each domain requires a different port and/or different IP address. | 1 | 2 | 91 | 2011-03-07T22:54:24.063 | data_quality | serverfault.com | |
92,158 | Windows 7 joining OS X Server domain | We're having trouble getting a new Windows 7 Ultimate machine joined to an OS X domain. I found this Apple KB article discussing the very same issue we're having. Basically, when entering all the information to join the domain (which all works fine on XP and Vista) we're receiving a "domain does not exist or could not ... | In my experience, it's not possible. Instead, I'am currently trying to build my own version of Samba and to get it to play nicely with OD without all the Apple patches to Samba. That's difficult as well and might have some limitations, but at least it might be doable. According to some sources, an update to Samba on OS... | 4 | 2 | 2,113 | 2009-12-08T15:26:53.867 | api_errors | serverfault.com | |
1,096,836 | Internal email server using non-standard ports | Our backup server is a Ubuntu box at the boss's house which has a static IP address from the ISP (Optus) but they block the usual email ports - I have no issue with this, it's well known. Can I configure the server and client to use a different port e.g. SSL on port 50332. It would be restricted to the domain (no sendi... | You need to open your /etc/postfix/master.cf on your server and spawn a smtpd daemon with a different port. One thing you should know: The first column of this file is the port number OR the name attributed to this port as per /etc/services i.e: if the line begins with [CODE] , it means the corresponding daemon will li... | 0 | 1 | 224 | 2022-03-23T12:13:30.507 | database_errors | serverfault.com | |
17,140 | Reserve cpu and memory resources for pods in kubernetes? | Let say there's a daemonset, each pod of this daemonset requests 1 CPU and 1 Gi memory. For some reason pod terminated, during this time kubernetes allocate cpu/memory resource to other pods which causes daemonset pod re-create failed(Insufficient cpu/memory resource). Is there any way to reserve 1 CPU and 1 Gi memory ... | You could raise the scheduling priority of your pod so that it will preempt (evict) the other pods if necessary. You could also check that there isn’t a restart policy causing your pod to end (rather than restart its containers) when the processes terminate. Normally though, those aren’t supposed to be issues for daemo... | 0 | 0 | 502 | 2022-12-28T08:01:30.420 | pipeline_ops | devops.stackexchange.com | |
121,556 | Move a player to another team, with players stored in one arraylist and teams in another using java | Basically I have a team class, which has an array list that store the players in. In the driver class there's an arraylist that stores the teams. Anyhow I've worked out how to add a player to a specific team and likewise remove a player from said team. Where I'm hitting problems is when I try to transfer one player to ... | ArrayList has methods to find the location of an object, remove an object and add an object. As far as I can see, your question can be solved like this: [CODE] where the terms in the brackets are the methods from ArrayList APIs which you can find here and figure out the arguments which they take. Hope that's what you m... | 1 | 1 | 1,151 | 2011-11-23T17:41:42.023 | api_errors | softwareengineering.stackexchange.com | |
345,292 | Completely disable "this program has stopped working, etc" dialog | We run command line program in automation process on Windows 2008 and sometimes when closing it Windows 2008 show dialog "this program has stopped working" with Close button. How to completely disable it? I've tried turning off error reporting for all users but that doesn't change a thing. | I have found how completely disable WerFault.exe (Windows Error Reporting). These registry keys should be added [CODE] I am also attaching fully working registry file http://www.filejumbo.com/Download/B6A1CD7B9A221BB8 I would like to add many instructions which I found on Internet about disabling WerFault didn't worked... | 12 | 10 | 11,052 | 2011-12-30T12:22:03.490 | infrastructure | serverfault.com | |
437,488 | Postfix MySql Dovecot - SMTP Authentication Failure | Hello I have a Postfix setup with Dovecot and MySql. The server is running Debian Squeeze. The MySql server is a slave that has data pushed to it from a primary (postfix) mail server(running a different os). The emails are stored on a replicated GlusterFS volume. I am able to check email using thunderbird over IMAP. Ho... | VXNlcm5hbWU6 is base64 encoded for "Username:" string e.g.: [CODE] | 1 | 1 | 2,440 | 2012-10-11T20:37:33.067 | database_errors | serverfault.com | |
143,525 | Can't connect to MS SQL Server database using SSMS | I have a database on line with Godaddy (who uses SQL Server 2005). They provide basic management tools, but tell you that for more advanced tools you can connect directly using SSMS. I followed their instructions to ensure my online database will accept remote connections, and can apparently log in using SSMS with succ... | It sounds like your host has done the following: [CODE] ...and this prevents browsing the database list in SSMS, although it doesn't stop you seeing that list using other techniques, or connecting to your database in a query window. I think the only thing you can do is ask them to change it back, or at least to verify ... | 0 | 1 | 1,263 | 2010-05-19T19:58:09.027 | database_errors | serverfault.com | |
344,624 | what went wrong if I get "Index of/" when I load a webpage instead of the actual site? | I recently shifted my site to another host. I uploaded both the wordpress folder and the database. But still the home page is not loading when I enter the website name. If I directly try to access an article through a link, i'm getting 404 error. What should I do? | It is likely that your site's index page (index.php) isn't configured as one of the default index pages for a website on the host's server. If you are on a Linux server, you can solve this by creating/modifying a .htaccess file in your home directory (in cPanel and AFAIK DirectAdmin, this is called public_html, in H-Sp... | 0 | 1 | 257 | 2011-12-28T09:05:22.947 | infrastructure | serverfault.com | |
617,066 | tcpdump: decode packet starting at non-zero offset | I'm debugging a Linux embedded platform which has an interface where regular ethernet frames have an additional 82-octet platform header tacked on the front. I am able to sniff from this interface using tcpdump, but tcpdump is not able to usefully decode because the ethernet headers are not starting where it expects th... | I ran into this again, forgetting I had asked this question but google brought me right back here :). I figured out a workaround for this if you happen to have [CODE] (from wireshark) available. No source-code changes necessary: [CODE] The first tcpdump invocation captures packets and dumps them in pcap format into a p... | 3 | 1 | 1,376 | 2014-07-31T21:59:41.277 | infrastructure | serverfault.com | |
827,863 | Hosting a Node.js app (Cloud9 SDK) and using Apache as reverse proxy (over HTTPS) won't work | I've been pulling my hair out trying to get this to work. I'm trying to host the Cloud9 SDK (Node.js) app on port 8080 (or whatever port higher than 1024) and use Apache as a reverse proxy over HTTPS to that. It shouldn't be relevant, but I'm also using PM2 to ensure the server comes back up in case of a reboot or some... | Ok, I figured out what the issue was. I realized that there were other sites enabled that needed to be removed. I had to [CODE] and [CODE] not realizing that apache was looking at those configurations as well. I didn't think about it before because other changes I made to the 000-default.conf file were being reflected.... | 0 | 0 | 310 | 2017-01-22T19:59:28.087 | infrastructure | serverfault.com | |
880,202 | Azure AD Connect installation error 0x800708C5 | Installing Azure AD Connect 1.1.647.0 in express or custom mode fails with the following error: [CODE] This error prompts when the AADC installer tries to create its service account. | I contacted Office 365's technical support and, between us, we discovered that there seems to be a bug / incompatibility between Azure AD Connect 1.1.647.0 and Active Directory domain controllers running Windows Server (2012 R2) Essentials or Standard with Essentials, possibly due to an Essentials-implemented password ... | 2 | 2 | 1,167 | 2017-10-25T12:32:43.887 | infrastructure | serverfault.com | |
191,223 | Can I log psql time and statements to a text file (without the data)? | I am currently comparing performance of PostgreSQL with several other SQL systems. I am aware of the [CODE] option to turn on timing queries. However, I would very much like to automate the process of copying the statements executed and the query speed below it. I imagine there is a simple way to log this? Let's say I ... | It actually is possible with UNIX. I just learned that you can use the: script filename command to save everything that is printed on your screen. If timing is on, you can record the queries and the query time outputs. To stop recording, simply type [CODE] . | 1 | 0 | 225 | 2017-11-18T16:34:00.267 | database_errors | dba.stackexchange.com | |
733,098 | docker nginx proxy: error ERR_TOO_MANY_REDIRECTS | I am using the jwilder/nginx-proxy docker container to proxy a magento container (using nginx) with SSL. I was able to set up the containers and run the magento installation routine with an SSL connection. After completing the installation I get a ERR_TOO_MANY_REDIRECTS error message whenever I try to acccess the magen... | Execute this in your Magento 2.x installation directory and your site will be back to normal (with secure connection). [CODE] | 0 | 2 | 3,824 | 2015-11-01T10:52:26.940 | api_errors | serverfault.com | |
538,089 | Windows Server 2008 R2 running PHP poor performance | At work we have a Windows Server 2008 R2 setup as webserver. We have IIS installed and with the Web Platform Installer we have installed PHP. The problem now is, the performance of the server is quite poor. The app runs totally fine on a lot of different machines (I've tried on Windows 7, OSX, Linux Ubuntu and even ano... | IsFastCGI enabled in IIS? Also install and enable Wincache. It helps. Could be a PHP.INI configuration problem. Since you mention that it works well on other machines,use the PHP.INI file from the other machine. | 0 | 0 | 1,527 | 2013-09-11T13:38:43.883 | infrastructure | serverfault.com | |
682,109 | How do I drop requests from dig? | Basically I'm getting tons of request to my named/bind service, basically those requests are being rejected by named, Those are the messages i get, from tons of ips., How extacly can I drop those requests insted of rejecting them , Thanks in Advance. [CODE] | There are at least a couple ways you could achieve that. I've seen examples of using iptables with its string/bytes-matching functionality to look for recursive queries coming from outside, and then dropping them. I've a colleague that did that on an authoritative non-recursive server for a number of years and he said ... | 1 | 0 | 105 | 2015-04-12T08:41:52.460 | infrastructure | serverfault.com | |
934,272 | Raid 5 the hard disks on Hetzner | Hi ordered a server from Hetzner and added a 500GB SSD to the server. Ran the installerimage and Im not sure Software Raid is working on all three Hard Drives of mine. How can I add Soft Raid to the newly added SSD as well? I don't mind reinstalling the server. Hard Disks I have 2 x 1TB SATA 1 x 500GB SSD Here are my c... | Your output shows that you have 2*2TB disks and that you have one RAID5 and two RAID1. [CODE] As was mentioned in the comments, one SSD in a RAID5 together with two conventional disks doesn't make much sense. I recommend a RAID1 with the SSD and the spinning disks set to write-mostly. You create a RAID1 with the SSD an... | -2 | 1 | 1,033 | 2018-10-06T09:33:54.703 | api_errors | serverfault.com | |
676,555 | Stuck with Cisco DHCP pool issue | Yes, I have searched, googled, sworn, googled more but have not quite found the answer I need, .. I have also posted this on a Cisco forum but, as I discovered at stackoverflow, the Stack* forums generally tend to give clear , easy to understand answers, ... so hi,. and here goes: I know some cisco basics but it seems ... | [CODE] Your router will not be able to reply to the data it's being sent, because it itself is restricted to the original /24. Change this to [CODE] | 2 | 2 | 889 | 2015-03-18T21:13:34.973 | api_errors | serverfault.com | |
747,035 | How to track down which process cause networkd to write a certain log line on Mac | When I open Console on my Mac, I see the following line written every 2 seconds: [CODE] It is written to system.log by networkd. It seems I have a proxy misconfigured somewhere (but I checked it's not the system-wide network preference). Is there a way to track down which process caused networkd to print this error? Th... | It is combination of 2 apps in your Mac (or at least mine). First is Glimmerblocker, which throw out this error. The second one is LastPass which tries to open connection to localhost port 19536. ( reference ) | 0 | 0 | 729 | 2016-01-06T07:31:05.630 | infrastructure | serverfault.com | |
722,642 | Strongswan: clients can connect to server but no internet access | I've set up an ipsec server and after a while I could connect to it from my android device. but there is no internet connection in client side. I have also added NAT rules to forward traffics from virtual IPs but still problem exists. how can I find and solve the problem? :( server: [CODE] [CODE] ip xfrm policy [CODE] ... | Finally I found the problem. adding FORWARD rule to [CODE] solved my problem. | 3 | 4 | 7,422 | 2015-09-16T07:37:27.067 | infrastructure | serverfault.com | |
644,510 | vSphere High Availability, Fault Tolerance and Snapshots | I've heard claims from a vSphere server administrator that VMs configured for high availability continue to transparently function even in the event of an ESXi host failure. He also claims VMs configured for high availability cannot be snapshoted because that causes VM corruption. To the best of my understanding, and f... | In summary, you're right and he's wrong; HA is much simpler, FT is very strict. VMware High Availability (HA) Restart virtual machines on other vSphere hosts in the cluster without manual intervention when a server outage is detected. http://www.vmware.com/uk/products/vsphere/features/high-availability An individual vi... | 0 | 1 | 1,349 | 2014-11-14T23:18:32.263 | data_quality | serverfault.com | |
250,842 | MySQL memory usage monitoring and logging | I have noticed that my dedicated server is using 336mb for mysql. The server only has around 10 domains that are regularly visited throughout the day (there's roughly 10 more but are hardly ever visited) so 336mb seems pretty high. I have been watching the process list but nothing sticks around (actually, I hardly ever... | You might want to have a look at the internal numbers from mysql via scripts like http://hackmysql.com/mysqlreport This might give you more insight into what MySQL is keeping track of.. | 0 | 0 | 777 | 2011-03-23T14:43:05.147 | database_errors | serverfault.com | |
1,042,224 | Running MySQL 8 in Docker with Windows Host (WSL) the volumen for data directory is unusable | Im facing a problem when trying to run a MySQL 8.0 Docker in a Windows Host, using WSL2 integration. So, the enviroment: [CODE] The command to run the docker: [CODE] In the directoty /data the directories and files are created: And the result the execution: [CODE] The problem: Newly created data directory /var/lib/mysq... | Instead of mounting a local directory as a volume, try to use a docker-managed named volume . The big difference is that this volume won't be subject to the limitations of windows file systems, which seems to be what's causing the issue here. When using docker for a development database, this is generally what you want... | 0 | 2 | 4,917 | 2020-11-11T23:36:14.483 | pipeline_ops | serverfault.com | |
74,200 | Why is it considered a best practice to package the program code and the graphical interface code in different classes? | So my teacher tells me that it is very important to not encapsulate the program code and the graphical interface code in the same classes, But to keep them completely independent. Im currently writing an iphone game with a grid in it. to me it makes much more sense to Create both the graphical grid and the technical co... | The concept your teacher is referring to is something called Separation of Concerns. To illustrate it in your context, if you complete your program and then decide you want to port it to Android; you'll have to re-write a lot more code than if you'd kept the grid logic separate. An interface control should only be conc... | 15 | 17 | 486 | 2011-05-06T11:37:34.643 | api_errors | softwareengineering.stackexchange.com | |
243,857 | Entity Framework 6: How can I add new column to existing table and at the same time update view (add column) in same migration file | Example in the EF6 migration file [CODE] method. I wish to add a new column [CODE] in existing table [CODE] . [CODE] Then I will need to add this new column [CODE] to it's [CODE] view and I did the following: [CODE] Everything looks good until I run the [CODE] command and the [CODE] prompt out. What I trying to figure ... | I have tried your method and it's working on my computer. Have you checked the column name having wrong spelling? | 0 | 0 | 3,483 | 2019-07-26T07:27:27.407 | warehouse_errors | dba.stackexchange.com | |
62,878 | Dedicated "Logging" Server | My Question: Does such a service currently exist, and if so, where on the web? Details: I understand that I can pay a consultant to build and host such a system, but I am wanting something that is subsidized by "enterprises" paying $$$$$ for stuff and power users getting to piggy-back on the infrastructure for only $. ... | This is a previous answer of mine to a different question but I think it might help you if you can't find a better option. I think that a lot of your "wants" could be addressed by using syslog-ng, stunnel, and then hardening the syslog server. They main key here seems to be simply making your syslog server as secure as... | 2 | 2 | 560 | 2009-09-06T19:47:26.047 | database_errors | serverfault.com | |
530,875 | Cisco Catalyst 3560G telnet access | I currently have telnet access to switch. interface Vlan2 ip address 172.17.0.7 255.255.255.0 ! ip default-gateway 172.17.0.1 ip classless access-list 160 permit ip host 172.17.0.101 any line vty 0 4 access-class 160 in timeout login response 240 ... login authentication vty I want to move this switch to a dedicated ma... | Feels like asymmetric routing, but I can't understand your topology well enough from the description. It sounds like you're directly attached to this switch on the 172.17.0/24 network, but clearly there is a 192.168.254.0/24 network also attached to the switch in some way. And there is apparently a firewall somewhere, ... | 0 | 0 | 511 | 2013-08-14T10:20:54.603 | api_errors | serverfault.com | |
19,171 | Update Statistics actually decreases performance? | I have a nightly sp_updatestats on a production database, which seems to work fine, except for one particular stored proc that experience performance issues after the update. The dev team is currently working on fixing the proc (some new indexes and some reorganization of the query that I've recommended), but currently... | As KPWINC said, "It really depends". There are several more items which influence the answer to your question that a general answer may not be appropriate. Microsoft MSDN has entries for sp_updatestats ( http://msdn.microsoft.com/en-us/library/aa260337(SQL.80).aspx ) and "UPDATE STATISTICS" ( http://msdn.microsoft.com/... | 1 | 1 | 5,616 | 2009-06-03T20:53:11.760 | infrastructure | serverfault.com | |
67,791 | ssh publickey permission denied only from a particular host | Our lab's compute cluster has a two-interface 'gateway' machine which we use to access the cluster nodes. Call this gateway1.publicdomain.com. Normally I access this machine from my laptop, laptop.anydomain.com like this: ssh joe@gateway1.publicdomain.com I have set up a public key in .ssh/id_rsa.pub on laptop, and cop... | Someone might be using the [CODE] directive in the configuration of the server, or you might be using the wrong version of the SSH protocol. Try adding -v (or two of them) to step up the verbosity; you might find something more helpful than simply denied. Similarly, you can initiate ssh without a key exchange, rather t... | 1 | 2 | 902 | 2009-09-22T18:46:56.540 | data_quality | serverfault.com | |
741,834 | Postfix rejecting inbound mail to virtual mailboxes | I followed this tutorial to setup an email server that uses virtual users. https://www.rosehosting.com/blog/mailserver-with-virtual-users-and-domains-using-postfix-and-dovecot-on-a-centos-6-vps/ I am able to send emails, but when i try to send an email to one of the virtual mailboxes i get the following error in the ma... | the error is very clear, did you used postmap? try [CODE] . for solving your problem you need to use [CODE] If you are using hash table in postfix, every time you change the text file you need to use postmap on the files to regenerate the db files. | 0 | 0 | 536 | 2015-12-09T13:18:20.107 | infrastructure | serverfault.com | |
750,001 | Can't save firewalld rules with --permanent | I just installed Fedora 23 Server. I have a single zone created by default: [CODE] If I add a service to this zone, it works fine: [CODE] But it is lost when running [CODE] . If I try to make it permanent as suggested in this answer , I get the following error: [CODE] I'm surprised as this is a fresh installation from ... | As suggested by Michael Hampton in the comments, this seems to be specific to the OVH Fedora 23 Server template. I searched for [CODE] in [CODE] , and found the following file: /etc/firewalld/zones/FedoraServer.xml Which contains the following lines: [CODE] I removed this line and saved the file: [CODE] And it now work... | 2 | 3 | 12,394 | 2016-01-18T19:38:03.667 | infrastructure | serverfault.com | |
97,877 | SQL Server Deadlock on delete | I have a query like this: [CODE] (a and b, together constitute composite non-clustered index. Other non-clustered index is on a different single column) Which is executing parallel from different instances, but the where clause will separate the data on which it runs without overlaps. Other than that, inserts are also ... | There is the possibility that you are getting lock escalations onto the table level, or page locks on the clustered index page. A deadlock graph will show that, try starting a SQL Server trace grabbing just the Deadlock graphs from the server and check those You can also delete in batches which will improve concurrency... | 0 | 1 | 2,559 | 2015-04-15T06:48:13.937 | database_errors | dba.stackexchange.com | |
163,859 | Using rsync as a queue | Is it possible to use rsync (or similar) in a way that lets me queue requests? I have a script that processes photos (creates jpegs of various sizes) then uploads them to a server. Version 1 of the script did all the processing then rsynced everything at the end. This wasn't very efficient so I'm trying to parallelise ... | Use two threads: thread A just processes your photos. send a signal when finished. thread B does rsync in a loop, maybe waiting a few seconds (or a few photos) between finishing one and starting the next. Don't start two rsync's in parallel. Finish the loop after the first rsync that started after the signal from A was... | 2 | 2 | 1,732 | 2010-07-25T09:02:04.030 | infrastructure | serverfault.com | |
733,943 | What factor enables the Remote Desktop dialogue to be displayed in System Properties? | Win 7/8 I can't establish an RDC connection into certain PC's on my physical local network. I checked all the typical issues present in about 40-50 Super User, Stack Overflow, Server fault and Microsoft forums posts: the PC is up and running, the firewall is open [TCP 3389], I can ping the PC, I can even RDC out of the... | As joeqwerty and I suggest, Windows 8 core (the basic edition) doesn't support hosting RDP sessions, it can only be a client. | 2 | 1 | 173 | 2015-11-04T18:52:34.640 | data_quality | serverfault.com | |
177,793 | Connecting Snow Leopard 10.6.4 to a Linux shared folder using Samba | I'm trying to connect to a web server running on [CODE] where I've shared a folder. I'm trying to connect to the directory with [CODE] client without success. On [CODE] I've started the [CODE] and a [CODE] with his password and then I've tried to connect to the server with the command [CODE] to reach the IP of the mach... | If you're trying to mount a folder shared ON your Mac... to your CentOS box... you don't need the samba server... just the client package. Simply make sure your Mac has the folder shared using samba... and on your centos box do the following: mount -t cifs -o username=someuser,password=somepassword //mac-ip/sharename /... | 0 | 0 | 524 | 2010-09-03T15:21:56.800 | infrastructure | serverfault.com | |
221,161 | Guidance on Excel VBA resource scheduling algorithm? | This was posted originally at StackOverflow though suggested to post here instead. I am looking to create an Excel VBA solution that will create a rota/schedule allocating staff to service users using an algorithm. I believe there are already existing names for this kind of problem/algorithms but not entirely sure what... | I have some experience with the sort of scheduling problem you present, and the technical stack you're using, and so I can speak from authority and say this is a database problem and belongs in SQL Server, not Excel! . Assuming that these are regular visits that are already scheduled and you only need to allocate your ... | 3 | 3 | 3,609 | 2013-12-12T14:00:18.020 | api_errors | softwareengineering.stackexchange.com | |
1,093,956 | Laptop asking for "action needed" on NPS Computer auth WiFi connect, despite valid Server Thumbprint | I have configured computer authentication on WiFi connect to company network, using the microsoft nps server, group policy certificate auto-enrollment and group-policy wifi config. Has been working just fine for several years. Recently my laptop started showing this prompt upon each reboot/reconnect: "Continue connecti... | Alright so I found the solution, with some help from @GregAskew for pointing me in the right direction. Apparently when you enter the FQDN in the "Protected EAP properties", this FQDN is case sensitive . (Can you believe it?) After i changed the domain suffix from lowercase stl.local to uppercase STL.local, then issued... | 2 | 0 | 5,323 | 2022-02-17T09:17:23.337 | api_errors | serverfault.com | |
11,238 | Which cloud region could have the fastest time for a docker image push? | TLDR How to know what region in the cloud nearest to docker hub? Full details From my localhost my network is super slow to push the docker image onto docker hub. My workaround is to use a cloud machine to do that [CODE] hopefully that the internet there would be faster. So my question is which region on the cloud is n... | TLDR From cloud instance, just go push to docker hub; you will be routed to the best location automatically. Full details DockerHub is a massive scale and very critical global service. So, you almost definitely don't have to think about this at all. There are techniques on cloud hosts (AWS, Azure, GCP) to replicate & h... | 1 | 3 | 77 | 2020-04-04T14:40:16.293 | pipeline_ops | devops.stackexchange.com | |
141,022 | Can't find names with criteria that has special symbols in PostgreSQL | I am running the following query which gives syntax error: [CODE] Following is the error message: ERROR: syntax error at or near "like" LINE 3: ...= '' || e.name_related like '.' || e.name_related like ',' |... I googled a lot, but did not find a good solution for this. Please help if you can. Thanks in advance. | [CODE] is the operator to concatenate strings in SQL. You probably want [CODE] . Additionally: [CODE] without a wildcard does not make sense. [CODE] is the same as [CODE] . Multiple ORs are the same as [CODE] so you can simplify your condition to: [CODE] | 1 | 2 | 67 | 2016-06-12T06:28:24.153 | database_errors | dba.stackexchange.com | |
471,017 | Can't get beyond boot screen after booting from CD in KVM | I've just installed KVM on Debian 6 64 bit and have created 2 guests and booted one of them. I can connect via VNC and I get the Debian CD boot options (text/graphical install). I have tried selecting both and in both cases I get a blank screen after that. I figure the ISO should be ok since I can get that far, so my i... | For anyone who gets stuck on this, the problem was in the ISO itself. Use a different ISO (i.e. a completely different one, not just a different mirror) and it'll work. | 0 | 1 | 2,184 | 2013-01-21T12:53:23.223 | infrastructure | serverfault.com | |
387,406 | disable autocomplete email addresses in Outlook 2010 for every user | We had several problems with suggested email addresses (auto-complete) in Outlook 2010. We are thinking, whether it is possible to disable this feature for every Outlook for every user. I know how to disable auto-complete (auto suggestion of email address) list in Outlook 2010 for one user. Is there any option how to d... | Setting the “ShowAutoSug” value to 0 in the [HKEY_CURRENT_USER\Software\Microsoft\Office\\Outlook\Preferences] reg key disables autocomplete . Take a look at the Office administrative tools ADM files for a GPO integration. Adding the ADMs to a group policy would give you a "Suggest names while completing To, Cc, and Bc... | 1 | 4 | 10,232 | 2012-05-09T10:14:19.240 | infrastructure | serverfault.com | |
1,040,697 | Under what circumstances would someone connect to a site using IPv6? | I understand that the world is moving toward IPv6 because of IPv4 address exhaustion. I also understand that a server can listen for connections on both IPv4 and IPv6. My question is, with respect to a web service: under what circumstances would a user connect using IPv6? Does it depend on their ISP? | This is a task which normally is usually performed "behind the scenes", nowadays more companies are choosing to point their domains to an IPv6 server, however this is transparent for the end users, they will not be aware if the website is working with IPv6 or IPv4. The main responsibility here is on the back-end side a... | 1 | 0 | 73 | 2020-10-30T20:20:36.113 | infrastructure | serverfault.com | |
27,392 | So what's the catch with LSTM? | I am expanding my knowledge of the Keras package and I have been tooling with some of the available models. I have an NLP binary classification problem that I'm trying to solve and have been applying different models. After working with some results and reading more and more about LSTM, it seems like this approach is f... | You are right that LSTMs work very well for some problems, but some of the drawbacks are: LSTMs take longer to train LSTMs require more memory to train LSTMs are easy to overfit Dropout is much harder to implement in LSTMs LSTMs are sensitive to different random weight initializations These are in comparison to a simpl... | 13 | 13 | 9,174 | 2018-02-02T15:45:12.373 | data_quality | datascience.stackexchange.com | |
50,340 | IIS7 will not display *.html, but *.aspx works fine | I have a Windows Server 2k8 machine that I am trying to host some vanilla html pages on under the default website as a virtual directory. When I try to view the page, no html is returned. I have an application under the default website and that renders the aspx pages in it fine. Placing an aspx file in the virtual dire... | You need to enable the static content role service, see this article about installing IIS7: alt text http://www.trainsignaltraining.com/wpnew/wp-content/uploads/2008/03/Dave_IIS7_install/install_iis7_06.png | 0 | 4 | 4,368 | 2009-08-05T13:37:35.203 | infrastructure | serverfault.com | |
839,384 | PHP Error 500: Timezone database is corrupt - this should *never* happen | I have a fresh install of an Ubuntu Server 16.04 amd64 with apache 2.4.18 and php 7.0. I have chrooted the Apache with mod_env and ChrootDir /var/www in /etc/apache2/apache2.conf and far as I know is here the problem. I want to do a NexctCloud 11 Installation, but on first run it runs into a 500 Error. Apache Error Log... | Solution: [CODE] This fix the Problem (there were more errors with NectCloud and Chroot e.g. locale that i've fixed with same procedures). | 0 | 2 | 6,669 | 2017-03-20T11:11:15.787 | data_quality | serverfault.com | |
748,592 | How to solve "The apache2 configtest failed." in ubuntu 12.04 lts | After update my php got the error: The apache2 configtest failed. Output of config test was: apache2: Syntax error on line 140 of /etc/apache2/apache2.conf: Syntax error on line 1 of /etc/apache2/mods-enabled/authz_default.load: Cannot load /usr/lib/apache2/modules/mod_authz_default.so into server: /usr/lib/apache2/mod... | The error message is quite clear, one of the modules is missing. /usr/lib/apache2/modules/mod_authz_default.so: No such file or directory See these similar posts for solutions: Can't access website or restart apache2 server Quoting @Benoit from that accepted answer: It's look like you have the file to load mod_authz_de... | -1 | 0 | 13,042 | 2016-01-12T20:00:02.397 | infrastructure | serverfault.com | |
134,740 | SQL Server 2014 log growing just in Navision 2015 just when always on is active | My question is about if anybody can help me to find out why my LOG file growing to more than 2T just when I activate [CODE] in my NAVISION database. I have more databases in my SQL Server 2016 and I have configured for my CRM DB and others and there is no problem. But with NAVISION I have problem. Any suggestions? | Full recovery model and no log backups? AlwaysOn not pushing data? (so unable to re-use the log filespace) | 0 | 1 | 85 | 2016-04-08T08:16:20.207 | database_errors | dba.stackexchange.com | |
604,956 | Cloudera Manager CDH5 - Installation Failure on Oozie Database | While doing the installation, i keep getting a failure on the step "Creating Oozie database" [CODE] How do i fix this? Where do i get the password/username/dbname for the PostgreSQL database to drop the existing schema? I tried cat /etc/cloudera-scm-server/db*.properties | grep pass and /var/lib/cloudera-scm-server-db/... | For future visitors : Cloudera creates aliases and alternatives to the path where it installs parcels. Oozie Configs resides at [CODE] To view and edit database configurations, visit : [CODE] and look for [CODE] . In ubuntu based systems, oozie keeps data in [CODE] | 1 | 1 | 3,996 | 2014-06-13T14:33:08.440 | database_errors | serverfault.com | |
1,073,974 | What does buffered, cached, free, slab and used mean when monitoring memory use on GKE? | I am running some compute nodes on GKE and when I look on their memory usage in metrics explorer I see: It is clear to me what [CODE] and [CODE] mean. But how about the other states? The official documentation is quite terse on the subject. | That is standard terminology of Linux Kernel management: [CODE] - Block device (e.g. harddisk) cache [CODE] - Parked file data (file content) cache [CODE] - Memory used by the kernel to cache data structures for its own use (caches like inode, dentry, etc) | 2 | 3 | 1,066 | 2021-08-09T12:54:16.253 | pipeline_ops | serverfault.com | |
787,517 | How to config mutiple domains with Varnish and nginx | I read this article but I can't make my case work https://stackoverflow.com/questions/3334023/configure-multiple-sites-with-varnish This is my problem I have 2 domain : mysite1.com and mysite2.com This is my config in default.vcl [CODE] and now is ngix config in /etc/ngix/site-avaiable/mysite2 [CODE] My problem is when... | You've got overlapping listeners in your nginx and varnish configurations. If Varnish is listening on 8080, you need Nginx to listen on port 80, and send requests through to 8080. The way to do this is with the [CODE] statement . | 1 | 1 | 437 | 2016-07-02T04:30:55.490 | infrastructure | serverfault.com | |
284,034 | CentOS server. What does it mean when the total used RAM does not equal the sum of RES? | I'm having a problem with a virtual hosted server running CentOS. In the past month a process (java based) that had been running fine started having problems getting memory when the JVM was started. One strange thing I've noticed is that when I start the process, the PID says it is using 470mb of RAM while the 'used' m... | The "used" field in [CODE] reflects the total amount of RAM being used, including that by processes, file buffers, and cache. But the RES number shows only the amount of RAM being used by a process, exclusive of the file buffers. To really see how much RAM is being used without the buffers, use the [CODE] command and l... | 2 | 4 | 3,331 | 2011-06-25T03:24:41.630 | api_errors | serverfault.com | |
876,879 | Zabbix - Active agents - disable warning for "Unreachable.." | I'm trying to roll out Zabbix to some remote Windows servers. As I can't run a Zabbix Proxy on Windows, I'm using the agent in Active mode and opening a port on my incoming connection to the Zabbix server. The hosts are setup with the IP address of 0.0.0.0 in the Zabbix config (as there is no IP to contact them on). Ho... | This depends on the item types. If a host has passive items, Zabbix server tries to connect to that host for those items. If it has active items, incoming agent connections will attempt to serve those. In this case, you should make sure that the "Host is unreachable for x minutes" trigger checks an active item ( [CODE]... | 0 | 1 | 1,942 | 2017-10-04T16:07:56.887 | infrastructure | serverfault.com | |
674,169 | Deployed IPA-server, created replica, then fed production data only to replica. How to fix? | At some point, I deployed ipa-server on a CentOS 6 machine. Being asked to better move it into a VM, I used ipa-replica-prepare / ipa-replica-install . This resulted as wanted, and I got a working IPA-server prototype on the VM. The original server was then disconnected to keep it as a fallback resource, but this event... | I do not recall [CODE] having this kind of error. I, however, saw that the warning you mentioned appears in ipa-replica-prepare man pages. This is an invalid statement, you can create replicas from other masters too. Only if you are installing replica with CA, you should create the replica file on other replica with CA... | 0 | 0 | 192 | 2015-03-09T23:06:04.000 | database_errors | serverfault.com | |
88,122 | How to impute missing value in Test Set using a custom Imputer created on training dataset | I am working on a toy project to predict claims. One of the input features has null values on which I have applied a custom imputation technique. Under this technique, I replaced missing values with the mean value of the two categories of the target feature. The code snippet is as below: [CODE] Using this strategy I ha... | The way you are imputing your feature can't be replicated in the test set, because it needs knowledge of the target classes! You need to select a different imputation strategy, that doesn't rely on your target feature. Assuming that you are using another feature, the same way you were using your target, you need to sto... | 1 | 1 | 797 | 2021-01-18T05:05:48.197 | data_quality | datascience.stackexchange.com | |
160,032 | Character Strings related : string_units db cfg changed from SYSTEM to CODEUNITS32 | To handle few special characters, we changed [CODE] database configuration parameter from default [CODE] to [CODE] . Based on IBM DB2 Knowledge Center , there are three methods to achieve this. 1.Set the [CODE] global variable 2.Update the [CODE] database configuration parameter Alter the column by defining new charact... | [CODE] The alter column set data type with [CODE] clause did the job. If the [CODE] database configuration parameter is set to [CODE] , any new table without specifying this clause in column definition still works. We have to perform the above alter only to the columns of existing table which was defined when string_un... | 1 | 0 | 951 | 2017-01-05T06:09:54.010 | warehouse_errors | dba.stackexchange.com | |
47,326 | Distinct rows from a join | I have two MySQL tables: [CODE] [CODE] is the foreign key. The query is: [CODE] I am getting duplicate results on [CODE] and [CODE] . How do I select unique records from ' [CODE] and [CODE] ? | if you want to select unique record from other join table which has same FK in multiple row you can use your query as [CODE] OR If you want to get all record that of related FK you should use group concat with group by Example [CODE] | 4 | 5 | 25,470 | 2013-07-31T06:47:08.757 | database_errors | dba.stackexchange.com | |
930,494 | High availability mirroring without separate partitions or LVM on Ubuntu 14.04 LTS | I'm on AWS with my clients for a long time now but I'm going to need cut costs now to keep providing my services. On AWS I'm using RSync to keep some folders synchronized and DRDB to provide high availability with transparent failover having always an operacional and ready to use a mirror for each client machine. Now I... | If you truly cannot viably use a block device (DRBD would probably be better here and you already have experience with it), GlusterFS can provide you with the replication features you seek at the file level. Gluster "bricks", while ideally a singular storage device with its own thin LVM stack ending in XFS, can really ... | 2 | 1 | 346 | 2018-09-11T22:34:09.613 | database_errors | serverfault.com | |
187,524 | Diskbased to in memory tables sql server 2016 ram requirement | I am planning to migrate my tables to memory optimized tables. Currently, I have a total of 250 gigabytes database size on disk. If I migrate this to in memory tables, how much physical RAM will I need? | Start with the Books Online page on estimating memory requirements for in-memory OLTP . It goes into deep detail, and here's just a snippet: When there is an active workload, additional memory is needed to account for row versioning and various operations. How much memory is needed in practice depends on the workload, ... | 0 | 3 | 641 | 2017-10-03T13:56:41.773 | database_errors | dba.stackexchange.com | |
125,704 | Is it safe to add new features to production SQL Server Instance | I need to add [CODE] to our production instance of SQL Server 2008 in order to automate some SSIS packages. It wasn't included in the original installation 5 or 6 years ago. [CODE] We have backups in place, but I would prefer to find a different automation solution if there is a probability that the data could become c... | The only danger I would say is installing new features that require the database engine service to get taken down when you don't expect it to be taken down. Other than that, adding new services to an old instance isn't dangerous on its own. I have added reporting, analysis, and integration services post install plenty ... | 3 | 3 | 498 | 2016-01-08T22:18:01.197 | database_errors | dba.stackexchange.com | |
555,284 | WDS discovery image not working - Failed to discover WDS Server | I've recently started working with imaging and deployment. We want to use WDS with MDT to manage images, as we're currently just imaging each different model of computer with Acronis, and have ~10 different images. This strategy is really hard to maintain, and makes imaging a more complicated process then it needs to b... | If you are using MDT, then you don’t need to use a WDS Discover image. Just use the LiteTouch boot images from MDT (the same ones you imported into WDS). You can use a DVD or USB drive, and MDT will pull the install image and any applications, packages, and drivers across the network. You will lose the ability to multi... | 2 | 1 | 3,827 | 2013-11-15T16:08:07.153 | pipeline_ops | serverfault.com | |
564,879 | Selective "mynetworks" per domain on Postfix | My question is related with this: Dual delivery Google Apps and Postifx (server reject mail from my domain on google) Well, i've some servers with Ubuntu running an ISPconfig with Postfix. My question is: Is possible do a selective mynetworks policy per domain/user on postfix? For example, only apply some IP's permitte... | Yes, you can do something similar with the postfix Restriction Classes , in fact, their examples speak specifically to the necessity to implement different types of restrictions for different users. As the access tables allow, you could create a per user access table (or a group), and allow mail from them, from specifi... | 1 | 1 | 746 | 2014-01-03T15:40:38.520 | infrastructure | serverfault.com | |
206,204 | How to install pecl uploadprogress on Debian Lenny | I am getting this output/error for [CODE] php-pear is installed. I'm stumped. | You're missing gcc in your path, most probably you don't have it installed. Don't forget to install make, too. On Debian just install the package build-essentials, all the necessary tools are its dependencies. You might want to save the list of packages it installed and remove them after you compiled your PECL extensio... | 0 | 1 | 1,200 | 2010-11-26T05:53:34.990 | infrastructure | serverfault.com | |
681,635 | nginx: browser rewriting http request to https when not wanted | So I have an nginx config that looks like this: [CODE] The intention is to direct http traffic on port 80 to https (443). Works like a champ. The problem is that my request to port 9080 are causing my browser to switch to https and then failing (since I'm not using ssl on 9080, nor do I want to). In Safari or Chrome: [... | I'm guessing you are sending an HTTP [CODE] (HSTS) header from the HTTPS server block. The purpose of the HSTS header is to be bound to the domain name it was received from. It is then known as an HSTS host by the User-Agent (UA) and held in its cache for [CODE] seconds. During this time further HTTP requests to the do... | 3 | 5 | 2,408 | 2015-04-09T18:46:18.870 | infrastructure | serverfault.com | |
372,668 | Best practices on sharing code between open source libraries | I have an Android library used by a decent amount of people, let's call it library A. I am building a second library, library B. The two libraries are conceptually related, they solve different problems in the same domain. It's likely that the two libraries will be used together, but it's not mandatory. The problem: li... | Whether your third option is the correct one depends on the situation. The basic question is whether A currently contains two things that really are reasonably separate and each is useful as a distinct entity. For example, if you break A apart into two pieces, and have a core with both A and B as clients, is it likely ... | 5 | 4 | 489 | 2018-06-17T13:52:32.933 | api_errors | softwareengineering.stackexchange.com | |
531,548 | Mirror directory between windows hosts | I'm looking secure way to one-way mirror directory between windows hosts over the internet. Host A - Has directory with files. Should run some sort of server on single open port X. Everything else is blocked at firewall level that I don't have access to. (Tried to use Filezilla FTPS server but passive mode data-connect... | VPN tunnel between the servers to create a secure connection. Use SyncToy to synchronise the files, using an Echo relationship. This can be ran as a scheduled task. | -1 | 0 | 158 | 2013-08-16T16:48:27.523 | infrastructure | serverfault.com | |
362,763 | Windows server files and folders permissions mess | I have a Windows Server 2008 R2 box, which is set up as a very basic file server in a Workgroup environment. We have a single Shared folder, with subfolders for each department. For some reason all the file and folders permissions are messed up. I get Access Denied messages all the time, even as Administrator, and seve... | Take ownership as administrator of the root of the share. Check the box that applies the ownership change to all subcontainers as well. After you're owner, you can set the permissions to whatever you want. If you want a default set of permissions, just figure out whatever those are. Then tick the boxes that replaces al... | 2 | 4 | 17,182 | 2012-02-22T19:40:12.300 | database_errors | serverfault.com | |
629,080 | Postfix SASL with Dovecot and Authenticated Smarthost | I have a bit of a problem; I have configured postfix to use dovecot for SMTP AUTH, therefore I had to specify dovecot authentication in the main.cf file. The problem is, I need to also authenticate to my smarthost for outgoing SMTP relaying. I can't seem to do both at once. I can either configure my smart host, or I ca... | Note: smtp != smtpd smtp act as smtp client used to sending email smtpd act as smtp server used to receiving email Parameter [CODE] with dovecot was unsupported. Maybe you mean [CODE] instead. | 4 | 3 | 2,346 | 2014-09-17T04:28:28.930 | api_errors | serverfault.com | |
753,440 | Multiple domains in nginx without repetitive configuration | I have 2 domains names exemple.net exemple.com and lot of sub-domaines demo1.exemple.com demo2.exemple.com ... demo50.exemple.com Currently I have 50 blocks like this: [CODE] This solution is working but is not really optimized. I tried to "return" .com instead of .net, to avoid "X" redundancy, but I don't know how to ... | Use a named capture in the [CODE] directive. Something like this: [CODE] See this document for details. | 3 | 1 | 576 | 2016-02-02T11:38:16.723 | infrastructure | serverfault.com | |
284,589 | why backuped binlog is late | I have problem, I would like to use mysqlbinlog for the backup, I do not know what causes it but the backuped binlog seems to be 4KB behind the binlog. I made a small shell. [CODE] the new binlog was mariadb-bin.000034 sync_binlog=1 result is: [CODE] | Set [CODE] When [CODE] is set to 0 (default), the OS caches all writes to disk and writes in 4K batches. This is for speed. If set to 1, every database update will be immediately written to the binary log. This may cause a higher iops consumption. | 0 | 1 | 28 | 2021-02-03T09:45:50.397 | database_errors | dba.stackexchange.com | |
702,115 | Suddenly, domain name can not be resolved - What happened? | My domain is buycott.com When I run [CODE] in the command line, it's timing out. It's been working fine for over a year, and suddenly I'm seeing these timeouts of nowhere? When I use most DNS lookup sites, they're able to resolve it. When I try to access buycott.com on Chrome on my Mac it works, but when I try on LTE o... | The delegation points to these nameservers: [CODE] But those servers claim that the nameservers are: [CODE] You'll want to decide which nameservers you actually do want to use and change the delegation (through your registrar) and/or the authoritative records (in the zone on the nameservers the delegation refers to) to... | -1 | 7 | 1,988 | 2015-06-28T05:49:05.920 | infrastructure | serverfault.com | |
24,161 | Calculating a Confusion Matrix | Can someone help me understand how to find the values of a confusion matrix? I know that essentially a confusion matrix looks like this: [CODE] I've encountered a problem where I have around 1000 cases in my test data. In the approximate middle of its ROC chart there is a point where the false positive rate is 0.5, the... | Your approach is not correct. Some hints that should help you to understand your mistakes the sum over all elements of the confusion matrix should be 1000 in your case. TPR=TP / Num_positives Good guide to confusion matrix terminology | 1 | 1 | 802 | 2017-10-28T21:46:02.473 | api_errors | datascience.stackexchange.com | |
598,463 | MX records to ensure failure of email delivery | I'm managing a set of domain names that used to have [CODE] records pointing to a hosted mail service. When the hosted email service was deactivated, emails sent to the (now invalid) addresses resulted in mailer daemon failure messages, which was ok. This not the case anymore. Now the domain names have been migrated on... | There are many ways you can configure DNS that will make delivery impossible, but some of them will be considered to be a temporary error and cause the SMTP layer to retry for several days before sending an error back. If you want to get an error message back to the sender right away, the most reliable approach is to d... | 0 | 2 | 736 | 2014-05-25T17:20:26.160 | infrastructure | serverfault.com | |
517,188 | Policyd v2 Cluebringer - Quotas Message Cumulative Size | I have installed Policyd Cluebringer v2.0.10 from Ubuntu 12.04 packages. I have configured it for email quotas but the quota doesn't increase when I send mails. Here is the mail.log : [CODE] We can see that the quota doesn't change whereas the size of the email is 6792 byte. Someone can bring me light? Thanks! Edit : t... | I have made a mistake in the /etc/postfix/main.cf file. I didn't set 'smtpd_end_of_data_restrictions=check_policy_service inet:127.0.0.1:10031'. | 0 | 1 | 2,086 | 2013-06-20T08:24:26.530 | infrastructure | serverfault.com | |
924,169 | Postfix not using TLS for outbound emails | I think I have opportunistic TLS configured correctly in postfix but it seemingly never chooses to actually use TLS. It always falls back to an unencrypted connection and gives me no indication as to why. Here is the relevant configuration for postfix: [CODE] I'm not sure if it matters but this postfix instance is not ... | It turns out it was Untangle that was actively rewriting the SMTP commands to prevent a TLS connection from being established. This became clear after telneting directly to google's SMTP server and finding out that it wasn't responding to the EHLO command with an offer for STARTTLS (because Untangle stripped it away). ... | 1 | 1 | 2,383 | 2018-07-30T20:53:58.183 | infrastructure | serverfault.com | |
180,905 | Deduplication option in Backup Exec 2010 - does it work like this? | We have a 6TB backup-to-disk system running with Backup Exec 2010. Each week, a full backup is carried out with differentials on the other days. We manage to get about four weeks of backups in there. Firstly, am I right in thinking that the deduplication option would more effective use this backup-to-disk space? For ex... | I've now installed a trial version of Backup Exec 2010 and can answer my own questions: Firstly, you cannot use an existing backup-to-disk system and convert it to deduplication storage. Deduplication is a completely different mechanism and is a new type of storage in BE. You create a new deduplication storage area muc... | 1 | 2 | 5,110 | 2010-09-14T10:25:37.000 | database_errors | serverfault.com | |
641,008 | OpsWorks Berksfile processing failed: (Encoding::InvalidByteSequenceError) | A few hours ago all my OpsWorks stacks started failing to [CODE] . They are all failing on "Install the cookbooks specified in the Berksfile and their dependencies" with the error: in `encode': "\xC3" on US-ASCII (Encoding::InvalidByteSequenceError) . Our OpsWorks stack is using chef version 11.10, Berkshelf version 3.... | Peter, this might be due to the way encoding is being handled / not: enter link description here | 0 | 0 | 865 | 2014-10-30T22:14:21.107 | pipeline_ops | serverfault.com | |
363,569 | How to organize the management of resources for OpenGL? | I write my own 3D-graphics engine for education and have some difficulties with it's architecture. I wrote classes like OpenGLTexure, OpenGLMaterial, OpenGLGpuProgram, etc. I also wrote a class ResourceManager for loading textures, shaders and materials. Now I want to separate OpenGL graphics component of my engine in ... | There are a few ways you can control which type of resources to return. It will depend on how a user of your library uses the library. If they include the full source (like Unity and Unreal Engine do), the easiest way is to require a user of your library to define which system they're using - OpenGL or DirectX - at com... | 1 | 1 | 976 | 2018-01-06T15:18:28.200 | api_errors | softwareengineering.stackexchange.com |
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