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How to manage MySQL credentials of production server?	deployment;credentials;deployment;credentials	How to manage MySQL credentials of production server? Ask Question	-1 Secrets management is an extremely difficult problem. You don't ever want cleartext passwords in code.There are a few tool out there for handling secrets, including Ansible Vault, Hashicorp Vault, and Keywhiz. I personally store secrets in S3 using KMS for encryption.It's a difficult problem with several tools...
How do I extract the timestamps associated with frames ffmpeg extracts from a video with the -r option?	ffmpeg;libav;ffmpeg;libav	How do I extract the timestamps associated with frames ffmpeg extracts from a video with the -r option? Ask Question	16 What you can do is "simulate" the image writing process by filtering with the fps filter, then using ffprobe to show the timestamps of the generated frames. This means that at 25 fps, the 50th frame (like your 50th image) will have a PTS of 2.00 seconds.You do it like this:ffprobe -f lavfi -i "movie=input.mp4,...
Undefine prefix in Emacs	keyboard-shortcuts;emacs;key-binding;keyboard-shortcuts;emacs;key-binding	Undefine prefix in Emacs Ask Question	0 If that prefix is defined globally, then a simple(global-unset-key [?\C-x ?p])should do.ShareImprove this answer Follow answered Nov 28, 2014 at 4:30StefanStefan1,1991111 silver badges2424 bronze badgesAdd a comment \|
Extracting a tar.gz file returns, “This does not look like a tar archive.”	linux;unix;compression;tar;archiving;linux;unix;compression;tar;archiving	Extracting a tar.gz file returns, “This does not look like a tar archive.” Ask Question	53 Looking at the error you are seeing coupled with the fact that you can indeed decompress it says that the file is a genuine TAR/Gzip archive, but perhaps not an immediate TAR is created after the Gzip.Meaning, if you downloaded this from a web server, sometimes Gzip compression get’s applied to web content on ...
Public network Wi-Fi connection problems	windows-7;internet-connection;packet-loss;windows-7;internet-connection;packet-loss	Public network Wi-Fi connection problems Ask Question	0 The DNS Servers were differentWhat you are describing could easily be a DNS problem. See this SU blog entry for more info: Windows 7 Network Awareness: How Windows knows it has an internet connectionPertinent blurb:How does it work?Windows does indeed check a Microsoft site for connectivity, using the Network...
Cheap Windows 7 - is it a scam? [closed]	windows-7;license;windows-7;license	Cheap Windows 7 - is it a scam? [closed] Ask Question	1 I believe there is a special re-manufacturers license available. I get one with each refurbished XP I buy. They are intended to be installed on refurbished PC's and never sold. They are "locked" to the one PC, and re-activation may be difficult.This could be what is being sold. Sometimes they flat out tell y...
recreating just the uid/gid unix permissions from tar	linux;unix;backup;permissions;tar;linux;unix;backup;permissions;tar	recreating just the uid/gid unix permissions from tar Ask Question	0 You can get a list of all the chown commands to issue like this:tar --numeric-owner -tvjf backup.tar.bz2 \| perl -e 'while (<STDIN>) { s\|/\|:\|; @t = split(" "); print "chown $t[1] \x27$t[5]\x27\n"; }' \|tee /tmp/chown_cmdsOutput will be like:chown 0:119 './var/cache/jockey/driverdb-OpenPrintingDriverDB.cache'ch...
Insert Filename Headers into Numerous XLSX files	microsoft-excel;stackoverflow.com/questions/tagged/vba;microsoft-excel	Insert Filename Headers into Numerous XLSX files Ask Question	1 Plain & doesn't work for me in Excel 2007; maybe you meant &[File] or maybe & is a shorthand in newer versions?Regarding the 5000 files, you'll probably want to make sure they're all in the same location and then loop through all .xlsx files in that location. (Do you need to filter based on file name as well?)I...
Debian Jessie apt-get Error: No space left on device	linux;apt-get;debian-jessie;linux;apt-get;debian-jessie	Debian Jessie apt-get Error: No space left on device Ask Question	1 Does the service actually work or is the error message meaningful?I'm asking because I had a similar error message when starting/stopping services using systemd and it turns out it was because I had run out of inotify watches. The reason for running out of those in my case was because I was running the CrashPla...
Trying to replace fonts in an Xview application	fonts;linux-mint;xorg;fonts;linux-mint;xorg	Trying to replace fonts in an Xview application Ask Question	0 alias won’t work, but what you can do is rename all the programs (e.g., msi → msi.real)and then create a front-end script for each one; for example, create a script called msi that says#!/bin/shexec msi.real -font lucida-10 "$@"The "$@" says to pass the parameters to the msi script along to the msi.real program...
Is there any difference in the view of process & sub process between command “/bin/sh -c ls /” and sh temp.sh(containing one line ls / only)?	linux;bash;c;linux;bash;c	Is there any difference in the view of process & sub process between command “/bin/sh -c ls /” and sh temp.sh(containing one line ls / only)? Ask Question	0 system("ls /") will spawn a sh process, giving it the arguments -c and ls /. So the main difference between running your program and typing sh -c "ls /" at a shell is that in the first case, there is also a process containing your program. So if you could capture the process tree while ls was running, you would...
Keyboard lag & mouse selection issues	windows-7;keyboard;mouse;troubleshooting;input-device;windows-7;keyboard;mouse;troubleshooting;input-device	Keyboard lag & mouse selection issues Ask Question	0 Before you get to the wiping and reloading point. If you have System restore turned on (and most do by default unless you turned it off) you can restore your system to an earlier point in time before all the delays started.Even before that though I would check your running processes as one of them may be the cu...
.bat file doesn't work with comments at top?	batch-file;cmd.exe;batch-file;cmd.exe	.bat file doesn't work with comments at top? Ask Question	3 The ^ character at the end of a line acts as line continuation. (It works by escaping the line feed).Line continuation does not work after REM (with a few exceptions) - all characters after the REM are generally ignored.Line continuation does work after ::, so your entire script becomes one big comment.You can ...
open file from Cloud9's terminal (bash) in its IDE	bash;text-editors;ide;aws-cloud9;bash;text-editors;ide;aws-cloud9	open file from Cloud9's terminal (bash) in its IDE Ask Question	1 According to the Cloud 9 CLI docs and help, you should be able to open file in the Cloud 9 IDE with this:c9 open <filename>However, it currently returns an error message. As indicated by this issue, this function appears to be broken on the hosted VMs (eg: running on ide.c9.io).ShareImprove this answer Follow ...
Slow vmware vm with fast brand new laptop	windows-7;performance;vmware-workstation;vmware-player;windows-7;performance;vmware-workstation;vmware-player	Slow vmware vm with fast brand new laptop Ask Question	10 When using virtual hard drives, regardless of use with or without a virtual machine, you can improve performance by hosting the virtual hard drive file on it's own physical drive to avoid IO being lost, because the host OS is using it.You can also improve performance by using a pre-allocated space, instead of ...
HAProxy to handle multiple application subfolders in the same port	proxy;web;tomcat;proxy;web;tomcat	HAProxy to handle multiple application subfolders in the same port Ask Question	0 ACLs should be able to do what you need (take a look at the documentation to determine whether path_beg, path_dir, path_end, or another method work for your use case)acl folder1 path_end -i /folder1acl folder2 path_end -i /folder2acl folder3 path_end -i /folder3use backend BACKEND1 if folder1use backend BACKEND...
Images in CSV file don't show up in Anki	csv;anki;csv;anki	Images in CSV file don't show up in Anki Ask Question	3 It turns out OpenOffice was being "helpful" (or should that be “helpful”) by turning my quotation marks in the img tag into curly quotes (”) instead of normal quotes ("), which caused the img tag to be broken. I went through the file and replaced with single quotes, which OpenOffice didn't mess with, and the ta...
Do I need to create my own key to have secure cloud backup with CrashPlan?	security;backup;encryption;security;backup;encryption	Do I need to create my own key to have secure cloud backup with CrashPlan? Ask Question	1 448 bits is quite a lot of entropy. In order to match the security of the key, the passphrase must provide a similar level of entropy. If there is any significant difference in entropy between the two, an attacker will just go for attacking whatever has less entropy.I don't recall the exact figure, and it proba...
ipsec configuration problems on Ubuntu. Errors on IP forwarding" connection authorization from Android client	networking;ubuntu;vpn;android;ipsec;networking;ubuntu;vpn;android;ipsec	ipsec configuration problems on Ubuntu. Errors on IP forwarding" connection authorization from Android client Ask Question	2 Here is how i fixed it:1.echo 0 > /proc/sys/net/ipv4/ip_forward2.ipsec verify3.echo 1 > /proc/sys/net/ipv4/ip_forwardThen it should work.Hope that i could help :PShareImprove this answer Follow answered Oct 14, 2014 at 14:59RootedMasterRootedMaster2122 bronze badges1This helped get rid of my "Two or more i...
Select-Object For AD Groups Only	active-directory;powershell-3.0;active-directory;powershell-3.0	Select-Object For AD Groups Only Ask Question	0 You can't get the info your looking for directly from the IdentityReference, but if you throw some logic at it (not unlike the direction you were already heading to filter out the SID accounts), you can narrow it down to just AD objects.(Get-Acl -Path $Folder.FullName \| ForEach-Object { [string]$Identity = $_....
Creating a connection between 3 computers	networking;ubuntu;ssh;networking;ubuntu;ssh	Creating a connection between 3 computers Ask Question	1 You shouldn't need sudo for this ssh solution.First, at the command line on the SERVER, set up a remote port forwarding from the WORK machine to the SERVER:SERVER$ ssh -f -N -R 23456:SERVER:22 workuser@WORKThen, as long as that process is running, you should be able to do this:HOME$ ssh -t workuser@WORK ssh -p2...
Author of the document a pdf was created from?	microsoft-word;pdf;metadata;exiftool;microsoft-word;pdf;metadata;exiftool	Author of the document a pdf was created from? Ask Question	0 Check out PDFParser by Didier Stephens or another tool mentioned on his site and you might have better luck. From my understanding the "author" would either be contained within the meta data, or it would not. There is no slack space or anything like that within a PDF for you to carve, but I guess you could try ...
Running find...exec tar czvf only archives one file...need all files	tar;gzip;redhat-enterprise-linux;logfiles;tar;gzip;redhat-enterprise-linux;logfiles	Running find...exec tar czvf only archives one file...need all files Ask Question	0 Your command is running tar once for each file, and each call to tar creates an output of the same name, thus overwriting the previous output. So you end up with only the last file. You need something likefind . -iname "*.gz" -mtime +7 \| xargs tar czvf all_gizip_$(date +%Y-%m-%d).tar.gzThis should work fine as ...
Excel Error Bars From Pivot Table	microsoft-excel;charts;pivot-table;microsoft-excel;charts;pivot-table	Excel Error Bars From Pivot Table Ask Question	4 We can find out by a simple experiment. I just created a table with two sets of data and put a graph beneath it with error bars. Then a Pivot table and a chart based on the pivot table and put some error bars in there too. As you can(n't) see, the chart of the pivoted data calculates an standard deviation of 0...
Why do Protocol Service Multiplexers can take only ODD numbered values between 1 and 32,767?	networking;acl;networking;acl	Why do Protocol Service Multiplexers can take only ODD numbered values between 1 and 32,767? Ask Question	0 The simple answer is because the Bluetooth standard says this is the way it has to be:The structure of the PSM field is based on the ISO 3309 extension mechanism for address fields. All PSM values shall be ODD, that is, the least significant bit of the least significant octet must be ’1’. Also, all PSM value...
Why doesn't "add more cores" face the same physical limitations as "make the CPU faster"?	cpu;cpu-architecture;cpu;cpu-architecture	Why doesn't "add more cores" face the same physical limitations as "make the CPU faster"? Ask Question	145 SummaryEconomics. It's cheaper and easier to design a CPU that has more cores than a higher clock speed, because:Significant increase in power usage. CPU power consumption increases rapidly as you increase the clock speed - you can double the number of cores operating at a lower speed in the thermal space it ...
Create a Contact Group in Outlook 2013 from a selected group of emails	email;microsoft-outlook-2013;email;microsoft-outlook-2013	Create a Contact Group in Outlook 2013 from a selected group of emails Ask Question	1 There is a free Save Addresses from Messages to Contact Group add-in that does exactly what you described. It can be run from within selection's context menu or just from Outlook ribbon.ShareImprove this answer Follow answered Aug 15, 2014 at 21:07thimsthims8,9772525 silver badges3636 bronze badgesAdd a co...
How to activate CSS panel within HTML panel in a console of Firebug of Firefox?	firefox;firebug;firefox;firebug	How to activate CSS panel within HTML panel in a console of Firebug of Firefox? Ask Question	4 If you click the arrow icon in the top-right of the Firebug window, it should show the Style options for you:Edit:In response to your question below, you can move the sidebar between the right and bottom of the screen by toggling the "Vertical Panels" option in the main Firebug menu:ShareImprove this answer Fol...
Excel: Averaging Sensor Data by Time Stamp	microsoft-excel;microsoft-excel-2010;vba;microsoft-excel;microsoft-excel-2010;vba	Excel: Averaging Sensor Data by Time Stamp Ask Question	0 Pivot tables are exactly for that (and it keeps you away from VBA). Follow these steps:Create a Pivot table and select your data as inputPut Timestamps in the row labelsPut Sensor name in the column labelsPut Temperature in the Value field and change it to express minimum valuePut Temperature in the Value field...
Something's up with my PPTP+SMB setup	samba;ubuntu-server;pptp;samba;ubuntu-server;pptp	Something's up with my PPTP+SMB setup Ask Question
Is there any way to setup a 3TB SATA drive in Windows XP? [duplicate]	hard-drive;windows-xp;partitioning;dynamic-disk;dell-optiplex;hard-drive;windows-xp;partitioning;dynamic-disk;dell-optiplex	Is there any way to setup a 3TB SATA drive in Windows XP? [duplicate] Ask Question	3 I don’t believe that Windows XP can handle 3TB drives, but according to this article in PC World:If you want to use the 3TB Barracuda on a Windows XP system, then you will need to run Seagate's DiskWizard program to make the drive usable under that operating system.Now I know you have a Western Digital drive—...
Guake default interpreter missing	terminal;terminal	Guake default interpreter missing Ask Question	1 It's actually just pulling from /etc/shells, which is a list of valid login shells.ShareImprove this answer Follow answered Mar 1, 2015 at 8:43mtfurlanmtfurlan16355 bronze badgesAdd a comment \|
Print spool service appears to cause Explorer to hang - how to fix this?	windows-7;windows-explorer;crash;print-spooler;windows-7;windows-explorer;crash;print-spooler	Print spool service appears to cause Explorer to hang - how to fix this? Ask Question	2 OK, I think I've somewhat got this covered:I opened services.msc, stopped the print spooling service, deactivated it and then rebooted.Then I was able to delete the contents of %WINDIR%\system32\spool\PRINTERS. I reactivated the print spooling service, rebooted again, and now everything seems to work as long as...
Can I arrange that other computers only see certain dropbox folders? [closed]	sync;dropbox;sync;dropbox	Can I arrange that other computers only see certain dropbox folders? [closed] Ask Question	3 To spend less money, you can try to collaborate with unique Dropbox accounts as long as you observe the 2GB limit for personal accounts. Only one person would need a PRO account or a PERSONAL account with many referrals to boost the total storage. You'd need enough storage to retain the folder contents of every...
Remote SSH access doesn't work when OpenVPN client is enabled on DD-WRT	vpn;routing;dd-wrt;remote-access;nat;vpn;routing;dd-wrt;remote-access;nat	Remote SSH access doesn't work when OpenVPN client is enabled on DD-WRT Ask Question	2 I wasn't happy with the policy based routing so after a full weekend of research, I got to this.Packages do arrive at the router if you try to SSH against the WAN IP, however, because all OUTPUT traffic is diverted through the VPN (interface tun0) SSH won't succeed. What's missing is a OUTPUT rule on iptables t...
Can I use my Wi-Fi router to connect my desktop to a Wi-Fi Internet?	networking;wireless-networking;internet;wireless-router;wifi-configuration;networking;wireless-networking;internet;wireless-router;wifi-configuration	Can I use my Wi-Fi router to connect my desktop to a Wi-Fi Internet? Ask Question	2 Windows has the ability to turn most Wi-Fi network cards to an access point, which can be used to share your Internet connection on your laptop with other devices.However, there is no built in software to use this feature in a meaningful and easy to use way. So you would need third party open source or commerci...
How do I prioritize one network interface over another, in the context of 'lower level' windows functions?	windows-7;networking;network-adapter;hamachi;windows-7;networking;network-adapter;hamachi	How do I prioritize one network interface over another, in the context of 'lower level' windows functions? Ask Question	0 Maybe I'm wrong but I don't think theres such thing as network adapter priority. What you do have are logical networks assigned to each one of them (defined by IP address and netmask) and routes.You should have one default route, also known as default gateway. Any communication attempt with an IP address that d...
How to slow down outbox sending rate in Thunderbird?	email;thunderbird;email;thunderbird	How to slow down outbox sending rate in Thunderbird? Ask Question	2 The combination of two plugins solves this problem.You need Mail Merge plugin to send a certain number of emails periodically to your Outbox, and then use BlunderDelay plugin to send unsent messages in the outbox in a specific period of time.In your case, you should set Mail Merge options like the following pic...
Internet Explorer 11 addons don't work	internet-explorer;addons;internet-explorer;addons	Internet Explorer 11 addons don't work Ask Question	-1 Sounds like you have admin rights being that you've uninstalled and re-installed IE, however based on your description it seems that there are group policies being applied to your account. Is your computer a domain joined computer?You can run the following from the command prompt to view all the group policies...
Why does traceroute show a direct connection to my home network devices instead of going via the router?	networking;traceroute;arp;networking;traceroute;arp	Why does traceroute show a direct connection to my home network devices instead of going via the router? Ask Question	2 Traceroute does not show you every hop in your network, but rather only shows you how many layer 3 hops are being made.A simpler way to understand it is that any network device that does not decrement the TTL will not show up in a traceroute as this answer on the Network Engineering Stack Exchange site explains...