https://wiki.debian.org/Exim4Gmail

hash -r

http://unix.stackexchange.com/questions/5609/how-do-i-clear-bashs-cache…

http://wiki.lxde.org/en/Debian

http://www.debian.org/doc/manuals/debian-reference/ch05.en.html

http://michiel.vanbaak.info/docsphp5fcgi.htm

http://x10hosting.com/forums/vps-tutorials/148894-debian-apache-2-2-fas…

http://perceptionistruth.com/2011/03/debian-apache2-virtualhosts-fastcg…

https://www.varnish-cache.org/installation/debian
https://www.varnish-cache.org/docs/3.0/tutorial/index.html

permitir a captura por parte dos utilizadores do grupo wireshark:
dpkg-reconfigure wireshark-common
e escolher a opção "yes".
adicionar o utilizador ao grupo wireshark:
usermod -a -G wireshark utilizador

ver em /usr/share/doc/wireshark-common/README.Debian

http://wiki.wireshark.org/CaptureSetup/CapturePrivileges

https://blog.wireshark.org/2010/02/running-wireshark-as-you/

http://liquidat.wordpress.com/2008/08/22/short-tip-remove-packages-on-d…

http://michiel.vanbaak.info/docsphp5fcgi.htm

http://aplawrence.com/Linux/mount_bind.html

para montar no fstab:
/path1 /path2 none defaults,bind 0 0

http://www.linuxquestions.org/questions/linux-general-1/mount-bind-fsta…