HOW TO : Pass environment variables when using sudo
Say you need to sudo as a particular user and run a command and at the same time you need to pass an environmental variable to...
HOWTO
HOW TO : Block outbound e-mails in Postfix
I ran into a challenge at work, where we had to allow e-mail delivery for certain domains, but block all other domains. But at the same...
HOW TO : More examples of grep
For my reference.. good article about command line usage of grep . http://arstechnica.com/open-source/news/2009/05/command-line-made-easy-five-simple-recipes-for-grep.ars . Older how to articles on my site related to this topic are...
HOW TO : Setup SOCKS proxy using SSH/Putty and configure Pidgin to use SOCKS proxy
I ran into a challenge recently, when I tried to connect to my IM services (Yahoo, MSN, AOL, GTalk) using Pidgin in a secured network. For...
HOW TO : Force expire sudo security permissions..
Ever run into a situation when you thought you had sudo rights on a machine and tried to issue the sudo command and upon finding that...
HOW TO : Simple perl script to replace lines in file
Nothing fancy.. but here is a simple perl script to open a file, search for specific content in the a line and replace it with some...