iTalc gives teachers complete control over the digital classroom and integrates the PC as a learning aid and tool.

Parallel SSH is the name of an easy-to-configure tool that our resident sys admin, Charly, now routinely deploys whenever he needs to launch the same programs, copy the same files, or kill the same processes simultaneously on multiple computers.

Uptime is often just as important as updates. But doesn't a kernel patch require a reboot? Ksplice lets you have your cake and eat it too.

Klaus Knopper is the creator of Knoppix and co-founder of the LinuxTag expo. He currently works as a teacher, programmer, and consultant. If you have a configuration problem, or if you just want to learn more about how Linux works, send your questions to: klaus@linux-magazine.com