The repository 'http://ppa.launchpad.net/mdeguzis/libregeek/ubuntu focal Release' does not have a Release file
65
What can I do if a repository/PPA does not have a Release file?
110896
Package installation - Outdated repository
92807
There's an issue with an Alpha/Beta Release of Ubuntu, what should I do?
4945
How do I enable the "Universe" repository from the command line?
11909
404 error with apt-get update, Don't have any PPA's
118549
Setting up a repository server
19087
How do I recreate a deleted '/var/lib/dpkg' directory?
120
How do I restore the default repositories?
8525
Error Updating: izx/askubuntu/ubuntu xenial Release' does not have a Release file
79163
Sources missing in /etc/apt/sources.list, how do I get them back?
90212
'http://download.opensuse.org/repositories/home:/strycore/xUbuntu_16.04 ./ Release' is not signed
148065
What is the best way to build a package that targets a single Ubuntu release only?
46424
Cannot update software center repositories
155918
What information do I need to solve an APT dependency issue?
7709
17.10 Software installed in software center, but not accessible
17388
How can I find my Bug-report on launchpad that I submitted from the Desktop?
93020
What process created the /var/lib/dpkg/lock-frontend file in Ubuntu?