Here are some ideas which maybe of interest for future meetings. If you are interested in doing a workshop about one of these topics or something else related to Linux please let us know on the mailing list.
System Admin
Using ZSH
BTRFS filesystem tips and tricks
Creating a software raid
Virtualisation with Xen/KVM installation and configuration
nagios → performance network monitoring tool
Setting up Asterisk/Trixbox
hylafax → semi-interest.
Setting up a cloud storage server using
iFolder Using A proxy to keep a central repository of DEB packages you install to save bandwidth and speed up installation
Streaming music using mp-daap and amarok over wireless
Programming
Testing your administration scripts with cucumber / rspec.
Add a
GUI to your scripts with Shoes
Configuring emacs for Rails|
Starting to program Python with QT
Version control systems
Hacking