Risk Management Strategy for the Provide Domain Name Resolution Services Critical Function

http://www.dhs.gov/xlibrary/assets/it-sector-risk-management-strategy-domain-name-resolution-services-june2011.pdf

Unix file compression utilities

to compress and zip:

tar -czvf archive.tgz files/

 more info

http://www.fluidthoughts.com/howto/tar-gzip/

Virtualization in Linux, KVM way by IBM

Well documented information at:
http://publib.boulder.ibm.com/infocenter/lnxinfo/v3r0m0/index.jsp?topic=/liaat/liaatkvm.htm&sf1617284=1