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

xflux -l 41.7333333 -g -7.4666667 - Chaves

http://www.taringa.net/posts/linux/8945111/F_lux_-Cuida-tus-ojitos.html

http://stereopsis.com/flux/

apt-cache search wireless monitor

http://jasminklipic.blogspot.pt/2012/05/squid-clamav-debian-squeeze.html

http://askubuntu.com/questions/64605/how-do-i-set-focus-follows-mouse