Can't install a package after adding its repository
6809
How do I fix the GPG error "NO_PUBKEY"?
130128
npm installed packages are not accessible
43589
Getting the error Error:BrokenCount>0 after installing packages
13399
Why can I no longer (un)install packages via apt-get after doing a partial dist-upgrade?
102559
How to install package from newer distribution?
73032
Installing apt-get
62855
sudo add-apt-repository throws an exception
32426
How to install packages?
7107
How do I enable the source code repositories?
38110
Error sudo: add-apt-repository: command not found
84988
apt-get build-dep is unable to find a source package
106931
How to undo sudo add-apt-repository?
4450
How can I reproduce the error "package... needs to be reinstalled, but I can't find an archive for it" for testing?
134552
MySQL 8 packages not found after adding repository
32921
MiKTeX: [...] does not seem to be a local package repository
92604
How can I install a package without root access?
74227
dpkg error when using apt-get install