Need For Entropy

1-  http://uselessuseofcat.com/?p=312

Understanding Linux Load Average

1- http://uselessuseofcat.com/?p=5

2- http://prutser.wordpress.com/2012/04/23/understanding-linux-load-average-part-1/

Expanding a Lun (Linux)

http://blogs.utexas.edu/hcoyote/2009/11/12/resizing-a-linu-multipathd-san-lun/

Redhat 6 Clustering & HA

http://www.linuxtopia.org/online_books/rhel6/rhel_6_cluster_admin/index.html

Linux Performance Tuning

http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Performance_Tuning_Guide/index.html

https://events.linuxfoundation.org/slides/2010/linuxcon2010_hoch.pdf


http://memorize.com/rh442-table-of-contents/jandro

Wireless Securtiy

http://www.wirelessdefence.org/Contents/Wireless%20Pen%20Test%20Framework_001.html

http://cisco.iphelp.ru/faq/35/0074.html

Http Attacks:

http://www.securiteam.com/securityreviews/5WP0E2KFGK.html
http://deadlytechnology.com/web-development/http-attack/
http://www-01.ibm.com/support/docview.wss?uid=swg27019020

Others:
http://www.sysforensics.org/2012/04/ietabie65-malware-memory-analysis.html

Back Reference!

http://backreference.org/