Useful information for 1337 admins

• Useful software: github.com/n1trux/awesome-sysadmin
• basic IT checklist
• GNU/Linux
• Networking
• Voice over IP
• Security
• How do I become a 1337 sysadmin?

• Adminforge – some free web applications hosted in Germany.

see also: Internet Communities

• Julia Evans – networking, Linux sysadmin stuff, in-depth articles about concepts in Linux and networking, infographics and conceptual overviews.