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Linux / Unix: Show Shares on NFS Server [ Shared Directories ]

We have a few netapp and other Unix server running here. An NFS server is configured on both netapp and Unix. How do I see all exported file systems from netapp and unix server using Linux command line option?
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Carry Private SSH RSA / DSA Key For Connection Using Unix / Linux Shell Script

How do I add my RSA or DSA keyfile in shell script itself for the connection so that I need to carry only one file on my USB pen drive instead of $HOME/.ssh/id_rsa file under Unix / Linux operating systems?
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Linux: Find Out My Machine (Host) Name

How do I find out my server name (machine name) under Linux operating systems using command shell?
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Mediawiki Fix Internal Server Host Names / Redirection In shared Hosting or Proxy Setup

Our customer support wiki runs on an internal host (ip:192.168.1.100:300, hostname a-node100.:300) and it is behind the nginx reverse proxy server. However, our Apache server end up displaying internal server name http://a-node100.:300/, which results into an unexpected redirection and timeouts as http://a-node100.:300/ is not accessible over the Internet. How do I force nginx or apache to use the base URL of our server (http://support.example.com/wiki/)?

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nginx: Create HTTP 503 Maintenance Custom Page

I know how to create a custom http 503 maintenance page under Lighttpd or Apache web server. How do I create a custom Nginx web server maintenance page?
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mod_setenv: Lighttpd Send Custom Headers

How do I add a header to the HTTP request that was received from the client under Lighttpd web server?
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Linux: Find Out Apache User Name

How do I find out my apache username under Linux operating system or CentOS Linux server?
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MSSQL: Enable Mixed Mode Authentication

Q. How do I enable mixed mode authentication under MS-SQL running on Microsoft Windows server 2003?
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Mac OS X Remove SSH Known Host

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 OX X?
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