3 links
O'Reilly System and Network Administration Center
sysadmin.oreilly.com
Information and descriptions of technical books for system and network administration.
TCP/IP Network Administration, 2nd ED.
oreilly.com
From O'Reilly, guide to setting up and running a TCP/IP network for practicing system administrators.
WebMaster in a Nutshell
oreilly.com
From O'Reilly, quick reference covers HTML, CGI, JavaScript, Perl, HTTP, and server configuration.