Frequently Asked Questions About Linux / UNIX » system administrator http://www.cyberciti.biz/faq Every answer asks a more beautiful question. Fri, 03 Feb 2012 22:38:32 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 Linux Change Passwordhttp://www.cyberciti.biz/faq/linux-change-password/ http://www.cyberciti.biz/faq/linux-change-password/#comments Mon, 06 Dec 2010 22:45:44 +0000 Vivek Gite http://www.cyberciti.biz/faq/?p=9551 How do I change my own password as well as the passwords of other users as required under Linux operating system without using GUI systems?]]> http://www.cyberciti.biz/faq/linux-change-password/feed/ 2 Ubuntu / Debian Linux Regenerate OpenSSH Host Keyshttp://www.cyberciti.biz/faq/howto-regenerate-openssh-host-keys/ http://www.cyberciti.biz/faq/howto-regenerate-openssh-host-keys/#comments Sun, 15 Jun 2008 13:35:02 +0000 Vivek Gite http://www.cyberciti.biz/faq/?p=1115 http://www.cyberciti.biz/faq/howto-regenerate-openssh-host-keys/feed/ 5 Mac OS X Remove SSH Known Hosthttp://www.cyberciti.biz/faq/mac-os-x-remove-known-host/ http://www.cyberciti.biz/faq/mac-os-x-remove-known-host/#comments Sat, 15 Dec 2007 16:05:38 +0000 Vivek Gite http://www.cyberciti.biz/faq/?p=6011 I've reinstalled Linux on remote server and now trying to connect it over ssh using Mac OS X:

ssh user@server1.example.com

But I'm getting an error which read as follows:
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY! Someone could be eavesdropping on you right now (man-in-the-middle attack)! It is also possible that the RSA host key has just been changed. The fingerprint for the RSA key sent by the remote host is 5c:9b:16:56:a6:cd:11:10:3a:cd:1b:a2:91:cd:e5:1c. Please contact your system administrator. Add correct host key in /Users/user/.ssh/known_hosts to get rid of this message. Offending key in /Users/user/.ssh/known_hosts:1 RSA host key for server1.example.com has changed and you have requested strict checking. Host key verification failed.

How do I fix this problem under Mac OS X?]]> http://www.cyberciti.biz/faq/mac-os-x-remove-known-host/feed/ 0 File size limit exceeded error under Linux and solutionhttp://www.cyberciti.biz/faq/file-size-limit-exceeded-error-under-linux-and-solution/ http://www.cyberciti.biz/faq/file-size-limit-exceeded-error-under-linux-and-solution/#comments Thu, 04 May 2006 16:13:00 +0000 Vivek Gite http://www.cyberciti.biz/faq/faq/file-size-limit-exceeded-error-under-linux-and-solution.php http://www.cyberciti.biz/faq/file-size-limit-exceeded-error-under-linux-and-solution/feed/ 10 What is The Role Of the System Administrator?http://www.cyberciti.biz/faq/what-is-the-role-of-the-system-administrator/ http://www.cyberciti.biz/faq/what-is-the-role-of-the-system-administrator/#comments Mon, 20 Feb 2006 20:09:00 +0000 Vivek Gite http://www.cyberciti.biz/faq/faq/what-is-the-role-of-the-system-administrator.php http://www.cyberciti.biz/faq/what-is-the-role-of-the-system-administrator/feed/ 333