Linux System Administrators' Guide
- An introduction to system administration of a Linux system for novices. Information in a simple format.
- http://www.tldp.org/LDP/sag/

Linux administration
- How-to's and tips on software installation, use and administration of Linux systems.
- http://www.nerdworks.org

Managed Technical Services adopted specially to Hosting Companies or dedicated server owners
- YourServerAdmin.com provides Managed Technical Services adopted specially to Hosting Companies or dedicated server owners
- http://www.yourserveradmin.com/

Fnord sysadmin resources
- Resources for system administration. Mostly internet infrastructure and support systems. DNS, Mail, routing and security.
- http://fnord.no/sysadmin

GNU/Linux Command Line Tools Summary
- This document is an attempt to provide a comprehensive summary of useful command line tools available to a GNU/Linux based operating system. It is a summary which can be used to learn about and how to use many of the tools available to a GNU/Linux based o
- http://www.karakas-online.de/gnu-linux-tools-summary/

LiveFire Labs: UNIX System Administration Training - Hands-on Internet Lab
- Learn Unix system administration online using a dedicated Unix system in our Internet Lab to complete hands-on exercises, including reboots. View a sample course module before registering.
- http://www.livefirelabs.com/course_info/UNIX_System_Administration.htm

Storix System Backup Administrator for Linux
- Complete Linux backup management and system recovery software for Linux. Provides complete backup management and the most flexible system recovery proeuct available for Linux.
- http://www.storix.com/linuxbackup

Linux System Resources
- Megalinux.net is a growing database of resources for systadmins. These include documentation, links to other resources, tips and applications.
- http://www.megalinux.net

Hubba's Unix resources
- Various Administration notes for AIX, Linux and Solaris.
- http://www.rootunix.org/

Unix and Linux Solutions and Utilities
- Parkridge specializes in customized solutions, system administration, systems integration and network security for Unix systems. Developers of Unix system administration utility products. As a consequence of supporting Unix systems for many years we ha
- http://www.parkridge.on.ca

SysAdmin Talk
- Ask questions, give answers and discuss the daily routines of system administration.
- http://sysadmintalk.com

Doom as a tool for system administration
- As I was listening to Anil talk about daemons spawning processes and sysadmins killing them, I thought, "What a great user interface!" Imagine running around with a shotgun blowing away your daemons and processes, never needing to type kill -9 a
- http://www.cs.unm.edu/~dlchao/flake/doom/

Tru 64
- Daily news, information, files, message board and more related to Compaq's Tru64 UNIX
- http://tru64.org/

Usenet - comp.unix.admin FAQ
- The Administrators starting point
- http://personal.stevens.edu/~khockenb/comp-unix-admin.html

Unix performance FAQ
- Adrian Cockcroft, a performance specialist for Sun Microsystems, answers your Unix questions.
- http://www.itworld.com/Comp/3380/UIR010329cockcroftletters/

RootPrompt -- Nothing but Unix
- News and information for Unix Sysadmins
- http://rootprompt.org

MKS Software
- Provider of Windows automation tools for system administration and development in a pure Windows or mixed UNIX/Linux and Windows environment.
- http://www.mkssoftware.com

General UNIX discussion forum at Tek-Tips
- General UNIX discussion technical support forums and mutual help system for computer professionals. Selling and recruiting forbidden.
- http://www.tek-tips.com/gthreadminder.cfm/lev2/3/lev3/20/pid/80

OS-Services
- Documentation for Linux servers such as Apache Web Server, Sendmail (Smtp Pop3 Mail), Wu-Ftpd, MySQL tutorial, administration and configuration, software for users.
- http://www.os-services.com/

SAGE - Code of Ethics
- Detailed code of ethics for Unix system administrators.
- http://www.usenix.org/sage/publications/code_of_ethics.html

Unix Guru Universe
- Largest UNIX System Administration Resource site, for beginners and gurus that are looking for UNIX sites on the internet.
- http://www.ugu.com/

USAIL: Unix system administration independent learning
- USAIL is an online study resource which includes independent study modules, each with their own quiz, which takes approximately 1 hour. The site does not offer online UNIX certification, but it will provide you with other reference sources and a means to
- http://www.uwsg.indiana.edu/usail