20.10 Groovy Gorrilla missing ppa launchpad
133
How can I fix a 404 Error when using a PPA or updating my package lists?
58759
How to fix missing GPG keys?
57297
Touchpad stopped working 20.04
134227
After enabling hibernate grub menu appears on start-up with 30s timeout
28662
How do I add and remove the Workspace Switcher launcher from the Unity launcher?
90899
Launcher, top Panel, and window decorations missing after 12.04 upgrade
64123
How to list packages from a ppa/source in command line?
78428
Failed to fetch jessie backports repository
119021
Transform, Move, Rotate, Etc. icons missing
151920
How to get the official, non-development version of Focal Fossa 20.04
2170
Why don't gksu/gksudo or launching a graphical application with sudo work with Wayland?
17894
Shutdown and User button missing in panel
109277
Can't Add ppa:x2go/stable
92739
E: The repository 'http://ppa.launchpad.net/jonathonf/python-3.6/ubuntu disco Release' does not have a Release file
32822
How can I use LaunchPad.net packages in 11.04?
9824
How to enable touchpad?
48418
W: GPG error: http://ppa.launchpad.net precise Release: The following signatures couldn't be verified because the public key is not available: