Secure services with sec-wall

http://www.linuxsecurity.com/content/view/155234

A ‘masterful’ mail server

http://olex.openlogic.com/wazi/2011/using-postfix-to-build-a-masterful-mail-server/

Jail processes and memory

http://linux-tipps.blogspot.com/2011/06/putting-group-of-processes-into-cpu-and.html

Git tutorials

http://sixrevisions.com/resources/git-tutorials-beginners/

Sync with Apple devices

http://www.ghacks.net/2011/06/08/sync-apple-devices-to-your-linux-system/

Instant LAMP on Natty

http://setupguides.blogspot.com/2011/06/installing-lamp-on-ubuntu-1104-natty.html

Add trash to your terminal

http://colinfdrake.com/blog/rm_facepalms_and_the_trash_bin/

Modernize your terminal

http://acko.net/blog/on-termkit