this is the new way to do it GUI and CLI (i think it only works with launchpad at the moment) sudo add-apt-repository ppa:ABCDFG

this is only for launchpad keys paste2.org

Each Launchpad Personal Package Archive (PPA) has its own key that is used to sign the packages.

This screencast shows you a very easy way to add a PPA’s key to your Ubuntu system so that you can install the packages from that PPA.

Note: you must make sure you trust the PPA owner to build good software before you install any packages from that PPA.

https://launchpad.net/

Linux Journal introduces: In today’s time of rampant information crimes, including identity theft, security is more important to the average computer user than ever. This tutorial shows how you can use GnuPG to secure and verify data on your Linux box.

This video was created using only free and open source software tools: TightVNC, pyvnc2swf, ardour2, audacity, jackd, LAME, kolourpaint, cinelerra-cv, mjpegtools, and ffmpeg.

Linux Journal introduces: In today’s time of rampant information crimes, including identity theft, security is more important to the average computer user than ever. This tutorial shows how you can use GnuPG to secure and verify data on your Linux box.

This video was created using only free and open source software tools: TightVNC, pyvnc2swf, ardour2, audacity, jackd, LAME, kolourpaint, cinelerra-cv, mjpegtools, and ffmpeg.