ultimamente é melhor não seguir este manual
http://www.waveguide.se/?article=speed-up-that-sluggish-iceweasel-firef…

https://github.com/lawl/opensnap/blob/master/README.md

http://blog.regolithmedia.com/install-openvpn-community-software-under-…


deb http://backports.debian.org/debian-backports squeeze-backports main


http://backports.debian.org/Instructions/

http://www.cyberciti.biz/faq/debian-linux-6-apt-get-install-linux-kerne…

http://outlast.hu/permanently-change-hostname-on-debian-lenny-squeeze/

https://wiki.koumbit.net/DnsTunnel
http://www.splitbrain.org/blog/2008-11/02-dns_tunneling_made_simple

http://thomer.com/icmptx/
http://etbe.coker.com.au/2011/01/12/icmptx/


# cd /etc/openvpn
# mkdir easy-rsa
# cp -R /usr/share/doc/openvpn/examples/easy-rsa/2.0/* easy-rsa/
# chmod -R +x easy-rsa/


http://openconcept.ca/blog/stevem/remote_debian_upgrades_using_aptdater

http://www.linuxplanet.com/linuxplanet/tips/6729/1