Safe PCs for kids

http://www.sendmeon.com/childproofpc_manual

Google repositories

http://www.google.com/linuxrepositories/index.html

Build a torrent server

http://nerdica.com/?p=30

ID management on Gmail

http://www.z-oc.com/blog/2007/06/manage-all-your-email-accounts-with-gmail/

Encrypted backups

http://www.ubuntugeek.com/disk-archive-backup-and-restore-using-dar-and-kdardar-frontend.html

Mod your context menus

http://www.simplehelp.net/2007/06/12/how-to-add-commands-to-the-os-x-right-click-menu/

ideMix goes Open

http://news.com.com/2100-1029_3-6153625.html?part=rss&tag=2547-1_3-0-20&subj=news

http://www.zurich.ibm.com/security/idemix/

Installing VirtualBox

http://www.howtoforge.com/virtualbox_ubuntu