以下是我用到的几个第三方的源和相应的密钥,因为Ubuntu自带的软件包,并不总是最新的,记下来备忘:
Ubuntu-Studio
deb http://archive.ubuntustudio.org/ubuntustudio feisty main  http://archive.ubuntustudio.org/ubuntustudio.gpg

VirtualBox
deb [url]http://www.virtualbox.org/debian[/url] feisty non-free
[url]http://www.virtualbox.org/debian/innotek.asc[/url]

Automatix2
deb http://www.getautomatix.com/apt feisty main
wget [url]http://www.getautomatix.com/keys/automatix2.key[/url]
gpg --import automatix2.key
gpg --export --armor E23C5FC3 | sudo apt-key add -
mozilla
deb [url]http://gnomefreak.youmortals.com/mozilla-testing[/url] feisty main

wine
deb-src [url]http://wine.budgetdedicated.com/apt[/url] feisty main
[url]http://wine.budgetdedicated.com/apt/387EE263.gpg[/url] -O- | sudo apt-key add -