Howtos for Administrators at ISG
... and possibly helpful for others, too. 
Administrative Tasks
- NTP
- Testing Hardware
- Debugging USB storage devices
- Packaging software for Debian
- How to add tests to our Xymon Monitoring Server
System documentation
- ISO to UTF-8 migration notes
- Locales
- Berufsbildung Modul IT
- LVMchart - generate LVM usage charts
Howtos
- How to setup Bonding (Link Aggregation, IEEE 802.3ad)
- Setting up a X server for diskless clients (X -query)
- How to create partitions over 2TB on Linux
- How to loopthrough a PCI network card into a Xen DomU
- How to fix a broken Xen DomU (Tips & Tricks)
- How to setup the serial console
Outdated Documentation
Outdated notes which may be still useful to others.
- Fixing Berkeley DB Backends: OpenLDAP BDB Maintenance
- How to build a stratum 1 NTP server with GPS time reference
- How to edit the userParameters binary blob in Active directory
- How to install additional serial port boards
- Migrating a single user from MBX to Maildir
- Setting up an LTSP server for diskless clients