ADMIN - Explore the new world of system administration! ADMIN is a smart, technical magazine for IT pros on heterogeneous networks. Each issue delivers technical solutions to the real-world problems you face every day. Learn the latest techniques for better:
network security
system management
troubleshooting
performance tuning
virtualization
cloud computing
on Windows, Linux, Solaris, and popular varieties of Unix.
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
The sys admin's daily grind: Single-packet authentication
Oct 01, 2008
Conventional, woodpecker-style port knocking is open to sniffing and brute force knocking attacks. Sending an encrypted packet with an access request to the server is safer and more modern. Learn more about Firewall Knock Operator, a.k.a. Fwknop.
The Java application known as Processing can make a computer artist of a non-programmer. We'll show you how to create moving objects and publish a Flash-style applet.
If you have grown tired of manually correcting color-casted images (as described in last month's Perl column), you might appreciate a script that automates this procedure.
Automation tools save time and keep your systems awake.Cover Stories:
Pacemaker: Use the popular Pacemaker high-availability monitoring tool to relaunch failed services.
Soft...
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Free Video Archives! CeBIT Open Source Forum 2012
The presentations were streamed live from CeBIT and are now available in the Linux New Media video archive!
