Possible Duplicate:
Are “PPA's” safe to add to my system, and what are some “red flags” to watch out for?
Should I trust these packages and ppas on Oneiric Amd64? PPA:
ppa:webupd8team/jupiter
ppa:atareao/atareao
ppa:webupd8team/gnome3
ppa:webupd8team/java
sudo apt-add-repository ppa:ubuntu-x-swat/x-updates
Packages from ppa above:
Jupiter gnome-shell-extensions calendar-indicator oracle-java7-installer indicator-weather lo-menubar xscreensaver xscreensaver-gl-extra xscreensaver-data-extra gimp gimp-plugin-registry gimp-resynthesizer