Most popular questions

2259 Our security auditor is an idiot. How do I give him the information he wants? 2011-07-22T22:44:34.060

1188 What is a Pem file and how does it differ from other OpenSSL Generated Key File Formats? 2009-05-19T02:24:42.133

843 How can I sort du -h output by size 2009-02-25T13:42:42.613

725 How to determine if a bash variable is empty? 2009-05-12T17:54:48.967

588 Ping a Specific Port 2009-10-08T09:57:50.623

579 How do I deal with a compromised server? 2011-01-02T21:31:27.843

527 Can scp copy directories recursively? 2011-04-29T04:24:45.713

496 In Nginx, how can I rewrite all http requests to https while maintaining sub-domain? 2009-09-21T14:04:43.773

484 How do you find what process is holding a file open in Windows? 2009-05-01T00:47:16.613

466 How do I tell Git for Windows where to find my private RSA key? 2010-10-25T16:45:39.987

449 Something is burning in the server room; how can I quickly identify what it is? 2013-04-04T14:22:29.033

425 How does IPv4 Subnetting Work? 2009-08-04T14:05:31.727

366 Anyone else experiencing high rates of Linux server crashes during a leap second day? 2012-06-30T16:15:09.130

356 How do you search for backdoors from the previous IT person? 2010-08-18T15:04:36.423

352 What is the difference between double and single square brackets in bash? 2009-08-09T21:11:51.760

352 What exactly do the colors in htop status bars mean? 2010-09-13T20:22:43.243

351 What's the default superuser username/password for postgres after a new install? 2010-02-06T04:54:20.153

337 How to automate SSH login with password? 2011-03-01T11:07:12.330

311 100% uptime for a web application 2011-09-29T00:31:31.923

292 ssh returns "Bad owner or permissions on ~/.ssh/config" 2011-03-29T18:15:48.113

286 What permissions should my website files/folders have on a Linux webserver? 2012-02-06T01:50:32.703

283 How to run a server on port 80 as a normal user on Linux? 2008-11-10T14:31:11.803

282 Useful Command-line Commands on Windows 2009-05-04T02:33:04.680

272 What are the obstacles to providing reliable Internet access and Wi-Fi at large tech conferences? 2009-10-09T01:49:59.020

263 I've inherited a rat's nest of cabling. What now? 2012-08-24T16:05:30.787

257 Redirect, Change URLs or Redirect HTTP to HTTPS in Apache - Everything You Ever Wanted to Know About Mod_Rewrite Rules but Were Afraid to Ask 2010-12-20T16:59:18.547

255 How can I get the size of an Amazon S3 bucket? 2009-11-15T00:40:45.280

253 How to assign permissions to ApplicationPoolIdentity account 2009-11-03T21:52:20.723

249 Can I nohup/screen an already-started process? 2009-06-11T22:53:44.700

249 How to bind MySQL server to more than one IP address? 2008-09-02T16:04:18.187

248 Why is "chmod -R 777 /" destructive? 2012-02-28T21:25:40.157

245 What is this very short power cable called? 2011-02-04T14:49:03.690

245 How do I select which Apache MPM to use? 2012-04-26T18:40:45.493

245 Is it bad to redirect http to https? 2014-01-28T00:12:50.190

232 How to tell which local branch is tracking which remote branch in Git? 2010-08-27T01:04:56.733

226 What’s the point in having “www” in a URL? 2010-05-27T08:02:13.100

223 What's the command-line utility in Windows to do a reverse DNS look-up? 2009-07-15T14:22:43.027

223 How do I change my private key passphrase? 2009-08-06T05:37:57.817

219 Copying a large directory tree locally? cp or rsync? 2009-07-20T14:36:34.727

219 Can I automatically add a new host to known_hosts? 2010-04-16T04:15:11.227

214 Any benefit or detriment from removing a pagefile on an 8 GB RAM machine? 2009-06-10T19:50:46.843

214 Why do I get "Permission denied (publickey)" when trying to SSH from local Ubuntu to a Amazon EC2 server? 2009-07-13T07:38:23.533

212 How can I see which flags Nginx was compiled with? 2011-01-17T20:42:08.823

211 What's the best way of handling permissions for Apache 2's user www-data in /var/www? 2009-05-11T05:13:03.323

211 How can I find out what AD groups I'm a member of? 2010-02-10T16:44:55.980

211 How to force or redirect to SSL in nginx? 2011-03-22T18:45:14.140

208 What's the difference between IP address 0.0.0.0 and 127.0.0.1? 2009-10-25T07:22:06.513

206 Moving an already-running process to Screen 2009-08-18T11:03:38.610

206 Environment variables of a running process on Unix? 2009-09-17T18:14:24.873

204 Create a public SSH key from the private key? 2009-08-10T14:36:15.773