www.rootvg.net primary portal with many useful UNIX links
http://www.cpg.com/
http://www.samag.com/ Sysadmin Magazine
http://www.ibm.com/eServer/pSeries.html
www.redbooks.ibm.com
www.sun.com
www.ibm.com/certify
www.crn.org
http://service.boulder.ibm.com/s2g/fixdb.html
http://www.hp.com/
http://www.tlc.ch/index2.php