2.
Here we also have ppa's involved:
http://ppa.launchpad.net/ubuntu-x-swat/x-updates/ubuntu
and
http://ppa.launchpad.net/bumblebee/stable/ubuntu
2.
Here we also have ppa's involved:
http:// ppa.launchpad. net/ubuntu- x-swat/ x-updates/ ubuntu
and
http:// ppa.launchpad. net/bumblebee/ stable/ ubuntu