I add a PPA but the software does not show up in Ubuntu 11.10 updates nor Software Centre
21382
What does "sudo apt-get update" do?
47794
Nvidia driver 410 listed by ppa and ubuntu-drivers but does not seem to be installable via apt
7709
17.10 Software installed in software center, but not accessible
139120
Intel Graphis card not updating. Problem with ppa?
77582
Programs installed via snap not showing up in Launcher
21331
Applications Don't Show Up in Spotlight
152823
PPAs will not install "sudo: add-apt-repository: command not found"
78011
Unable to install package post adding ppa
36772
Is it possible to only allow specific packages updates from a PPA
7371
What are PPAs and how do I use them?
154072
Ubuntu 17.10 doesn't show up in update-manager
32089
Update to latest version of java after ppa is discontinued
109277
Can't Add ppa:x2go/stable
94171
Why Does Software Updater Say No updates Available, but apt-get upgrade Shows updates available?
38068
Ubuntu Software doesn't open in Ubuntu 20.04
28788
How do I create a PPA?
105208
How can I check if a PPA has packages for another Ubuntu version?