This document is used in our training sessions. It is available under the Creative Commons BY-SA license (see details and other documents).

It is available under several formats:

• PDF: slides (French, German, Italian, Portuguese – Brazil), command memento (German, French, Italian), vi memento (French), system administration basics, practical labs (French)
• OpenDocument Format: slides (French, German, Italian, Portuguese – Brazil), command memento (German, French, Italian), vi memento (French), system administration basics, practical labs (French)

Thanks to people who sent comments and corrections: Jim Donelson, Tyler Le, Laurent Thomas, Jeff Ghislain, Leif Thande, Frédéric Desmoulins, Przemysław Ciesielski