blocking ads at the machine or lan level

safer browsing with privacy extensions

safer browsing with script blocking extensions

how to mount a truecrypt container with cryptsetup

how to send encrypted email messages with gpg

safer browsing with ad blocking extensions

safe web browsing tips

secure over the internet (oti) backups with duplicity

how to build your own vpn server with openvpn

how to setup ssh login without a password (e.g. passwordless login, pki login)

problem with SSH Login without password

how to change the auto-logout timeout in ssh

a guide to using guarddog as a firewall