Incident tracking/trouble ticketing systems

• Call Center, Bug Tracking and Project Management Tools for Linux
• Slashdot thread on Automated Support Email Systems

LiveCD distributions

• UW Mirror of Knoppix distribution (Knoppix is 1.8GB Debian Linux distribution compressed onto a bootable CDROM)
• Ubuntu Linux
• The AVG Rescue CD is quite useful for helping disinfect computers for family and friends. (Hint: Pre-position a CD at their house so when they call you for help, you don't have to talk them through downloading and burning an ISO image to CD-R!) See also:
• Knoppix Security Tools Distribution (STD)
• Penguin Sleuthkit (a remaster of Knoppix)
• Helix Incident Response and Forensics LiveCD
• The Auditor security tools Live CD
• Fedora 8 on a USB stick, by Harold Hoyer
• Pen Drive Linux

Unix System Administration/Monitoring Tools

• Simple Event Correlator (SEC)
• Big Brother Monitoring System
• DeadCat.net collection of scripts, tools, and documentation related to Big Brother Monitoring Software

Unix Administration Courses/Tools

• Commandlinefu.com
• Unix Toolbox, by Colin Barschel
• IT Tutorials and Interview Questions
• CIS 399: Introduction to System Administration course at the University of Oregon
• Troubleshooters.com (Linux troubleshooting web site)
• Network and System Administration Resources, by Mark Burgess, University College Oslo
• System administration (SO 136 A)
• CIS 410/510, Introduction to System Administration, by Steve VanDevender, University of Oregon
• The Perl Oasis archive
• A Perl Tutorial: Super-Basics
• Raymond (a platform-independent package manager for use in a heterogeneous environment)
• SunWorld On-Line emagazine
• Useless Use of 'cat' Award

Tar

• Comparison of several 'tar' implementations vis-a-vis compatibility
• All tar files are not created equal: UNIX IN THE ENTERPRISE, July 24, 2003

Linux Kernel

• grsecurity (Linux kernel hardening patches)
• The National Security Agency (NSA) Secure Enhanced Linux project
• Linux Headquarters
• Kernel-HOWTO
• Journal File Systems, by Juan I. Santos Florido
• LinuxPlanet - Tutorials - How to Compile the Linux Kernel
• Linux kernel capabilities FAQ
• Upgrading the Linux Kernel on Red Hat Linux systems (RPM style upgrade, not from source code)
• IEEE 1394 (FireWire) for Linux
• Large File Support in Linux
• Wacky uses for RAID, /dev/ram, and ramfs, by Mark Nielsen

SPAM

• STOP SPAM
• Stop Junk Email
• Fight Spam on the Internet!
• David Harley's anti-spam resource list
• Tools for fighting spam
  • SpamCop
  • Spam Assassin Rules Emporium (RBL checker)
• The Internet Mail Relay Services Survey Project can test to see if your server can be abused and has instructions on how to prevent third party relaying of spam
• Why the UW is rejecting third-party relaying of email
• How UW administrators can make sendmail reject relaying
• Black listing
  • MAPS TSI: Anti-Relay: Is My Mailer Vulnerable?
  • Anti-Spam Provisions in Sendmail 8.8
  • Multi-RBL check
• CIAC Bulletin I-005: E-Mail Spamming countermeasures
• The National Fraud Information Center (NFIC)
• FBI Internet Fraud Complaint Center
• Washington State Office of the Attorney General Consumer Protection Division Junk Email page (complaints, WA State anti-spam laws, etc.)
• FTC Names Its Dirty Dozen: 12 Scams Most Likely to Arrive Via Bulk Email
• CAUCE - Coalition Against Unsolicited Commercial Email