nice links
#http://eli.thegreenplace.net/2010/06/25/aes-encryption-of-files-in-python-with-pycrypto/
#http://chris.olstrom.com/howto/setup-dual-wan/
#www.softpanorama.org/Net/Internet_layer/Routing/policy_routing.shtml
#wpkg.org/Routing_with_multiple_network_cards
#http://lartc.org/howto/lartc.rpdb.multiple-links.html
#http://www.sevenforums.com/tutorials/70559-boot-iso-without-burning-disk.html
#http://www.helidon.net/blog/centos-5x/how-do-i-use-yum-to-download-rpm-packages-without-installing-them
#http://neko.koiora.net/files/2012/10/Naruto3d.jpg