How to edit a crontab in a mantainable way, and other tips to use it the right way. I found a lot of messy crontabs around, it would be better to mantain order.
When I started using the fish-shell and entered in a nice community
Be a cowboy console, use GNU Screen!
You got a Linux server and you want to prevent security issues: follow these instructions.
How to install WebLogic 12c development version on Linux RedHat.
Steps required to do an NFS mount.
Instructions to get a Perl test suite that checks everything is ok in your home dir.