How can I add the mainline kernel ppa to the synaptic software sources?
I have the url: http://kernel.ubuntu.com/~kernel-ppa/mainline/
but I am missing the ppa: line.
You probably want to add this PPA-- the only active one the kernel team maintains -- containing the latest pre-proposed kernel for each release:
To my knowledge there is no way to add that to the
Terminal Commands: (edit, more up to date info now in the readme at the above link)
It will check for updates at login+60 seconds, you can check for updates at any time by running