E: The package ubuntu-mono needs to be reinstalled, but I can't find an archive for it
1159
Apt/Synaptic needs to reinstall package but can't find the archive for it
69200
How do I reinstall Ubuntu Software in Ubuntu 20.04 LTS version?
22701
If I build a package from source how can I uninstall or remove completely?
1632
How do I fix a "Failed to download package files" error?
151516
How can I install MonoDevelop v4 on 12.04?
119943
Where can I find a repository for older unsupported releases?
50317
How do I reinstall a base-R package (e.g., stats, graphics, utils, etc.)?
154712
How to install a package from an older version of TeXLive?
23096
How to remove obsolete packages after failed release upgrade via do-release-upgrade on Ubuntu?
130358
How to build all my installed package from sources?
94621
archive.ubuntu.com missing raring-updates
94603
Where are packages stored installed with APT in Ubuntu 16.04?
149428
How do I refresh the package list?
65779
How get rid of -bash: /usr/{package}: No such file or directory
12968
What should I do when the GETDEB repository is down?
39869
Mono Package for Wine is not installed
98903
How to recreate /var/lib/dpkg/status?