Kill web sessions for safety

http://www.linuxjournal.com/content/session-destroyer-automatic-webapp-session-invalidation

Quickies: ban WP comment spam by IP

http://www.quickonlinetips.com/archives/2008/12/ban-ip-to-stop-wordpress-comment-spam-forever/

Viral scanners

http://www.junauza.com/2008/12/5-known-linux-anti-virus-software-for.html
http://www.pandasoftware.com/download/linux/linux.asp
http://www.f-prot.com/products/home_use/linux/

Best firewall tools

http://www.intranetjournal.com/articles/200812/ij_12_16_08a.html

Audit your network

http://nipper.titania.co.uk/news.php?id=19

Block ads on Safari

http://www.coolosxapps.net/2008/12/22/glimmerblocker-ad-blocker-for-safari-and-all-other-mac-web-browsers-3/

Solaris ssh tips

http://www.sun.com/bigadmin/features/articles/sec_shell_1.html
http://www.sun.com/bigadmin/features/articles/sec_shell_2.html

Quickies: batch-print with Automator

http://lifehacker.com/5120213/print-documents-in-batches-with-automator

Day one with a Mac

http://www.techradar.com/news/computing/apple/your-first-day-with-a-new-mac-the-get-started-guide-for-windows-users-496116

Connecting to OO via Python

http://www.linuxjournal.com/content/starting-stopping-and-connecting-openoffice-python

Add recent apps to the dock

http://paininthetech.com/2008/12/26/add-recent-applications-to-the-dock-in-os-x

Point to point with ssh

http://www.linux-tip.net/cms/content/view/360/1/
http://www.linux-tip.net/cms/content/view/360/1/1/1/

Scripting patterns and strings

http://www.linux.com/feature/155903

Encryption on Ubuntu

http://www.itwire.com/content/view/21836/1162/
http://www.itwire.com/content/view/21939/1162/
http://www.itwire.com/content/view/21989/1154/

Exceed 4G RAM on 32 or 64 bits

http://www.cyberciti.biz/faq/ubuntu-linux-4gb-ram-limitation-solution/

Quickies: simple network file sharing

http://tombuntu.com/index.php/2008/12/19/simple-desktop-file-sharing-with-giver/