How to use the KDE Wallet to provide passphrases to ssh-agent

In my server I run an eMule client and a BitTorrent client. To change between them automatically, I created a Python script.

How to add completely new custom completion to commands

How to quickly configure autofs

How to set a static IP address

How to create a folder where a user has complete access, but the folder it self is not editable

A short tutorial to know how to use ssh keys

Explanation about Linux file and directory permissions, and how to change them

How to load a kernel module in Linux

Normally, after install the OS (Debian in my case), you don't have sudo access. This is a common but easy to solve situation