The Debian Administrator’s Handbook http://static.debian-handbook.info/browse/stable/

Building the Network You Need with OpenBSD’s PF http://home.nuug.no/~peter/pf/bsdcan2012/

truecrack – Password cracking for truecrypt(c) volume files. https://code.google.com/p/truecrack/

A look at object confusion vulnerability (CVE-2012-0779) in Adobe Flash http://scrammed.blogspot.it/2012/05/look-at-object-confusion-vulnerability.html

Manual Unpacking of UPX Packed Binary File http://securityxploded.com/unpackingupx.php

MaxTo http://www.stumbleupon.com/to/s/1S0HdY

When data center cabling becomes art http://www.stumbleupon.com/to/s/2O4yj6

How to be anonymous online with Incognito | TuxRadar Linux http://www.stumbleupon.com/to/s/2V4kQw

EmailFuture.com – The best way to send emails to yourself in the future. http://www.stumbleupon.com/to/s/2yev3R

5 Great Resources To Learn How To Code http://www.stumbleupon.com/to/s/33kA0J