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Posts By admin

• unix

  How do I passwordless ssh?

  Here is how to configure ssh to connect to any server or desktop running ssh without a password: ssh-keygen -t # accept...

• unix

  How do I check the status of a Dell MegaRAID controller or RAID array?

  DELL’s PowerEdge RAID Controller (PERC) is a special LSI Logic SAS/SATA RAID Controller and thus the LSI management utility called MegaCli also...

• windows

  How do I flush my DNS cache in Windows?

  In Microsoft Windows, you can use the command ipconfig /flushdns to flush the DNS resolver cache. Open the command prompt and type...

• webserver

  How do I set up a 301 redirect in Apache?

  An Apache 301 redirect is typically set up so you can safely redirect website traffic from your old pages to the new...

• mail

  How to I forward mail using sendmail?

  If you are using a server running sendmail, create a ~/.forward file with your e-mail address in it. 1. vi ~/.forward 2....

• unix

  Sed One Liners

  Here are some useful sed one-liners taken from: http://sed.sourceforge.net/sed1line.txt FILE SPACING: # double space a file sed G # double space a...