I broke apt while trying to upgrade from 19.04 to 20.04
1520
How to install software or upgrade from an old unsupported release?
13399
Why can I no longer (un)install packages via apt-get after doing a partial dist-upgrade?
26387
After Upgrade to Ubuntu 20.04: "Oh no! Something went wrong"
25957
How do I apt-get -y dist-upgrade without a grub config prompt?
106931
How to undo sudo add-apt-repository?
116035
Interrupting apt-get dist-upgrade: what could happen?
127196
"Error processing package" - apt upgrade cannot run due to package configuration errors
93942
How to fix "Failed to download repository information" error while updating?
123413
Will apt-get dist-upgrade upgrade my system to a newer version?
73068
cant install or remove anything on 18.04 cause of DPKG error
142954
bunch of errors during any installation witn any utility apt, apt-get, synaptic, etc
73173
How to Fix Broken Packages?
73973
After typing "apt-get update" terminal says Could not open lock file
67481
How to revert a do-release-upgrade?
65099
Unable to install any updates through update manager/apt-get upgrade
12614
Upgrade problem
105770
Cannot use apt-get/dpkg -- Input/output error