Vimdiff is a tool that comes bundled with Vim and its a wonderful tool for comparing code and merging changes. Vimdiff starts Vim on two (or three) files. Each file…

I’ve noticed that on some new installs of cPanel 11.x + CentOS 5.0 there is a problem with cron jobs where the crons are not saved at all with no…

Take screenshot of a rectangular area and save it as png file import –frame myScreenShot.png After this command, the mouse pointer changes to a set of cross-hairs; left-click and drag…

If you want to run remote applications such as OpenOffice or Eclipse, just uncomment ForwardX11 yes in /etc/ssh/ssh_config file. After that if you type, eclipse, for an example, the remote…

Accepting domain literals on a mail server Q I have a Red Hat 8.0 server with one primary domain. A friend of mine recommended I check out www.DNSreport.com, which performs…

A Liberal, Accurate Regex Pattern for Matching URLs Friday, 27 November 2009 A common programming problem: identify the URLs in an arbitrary string of text, where by “arbitrary” let’s agree…

Guake is an easy to access terminal based on fps games terminal. In ubuntus; sudo apt-get install guake F12 to start