The repository 'cdrom:/Ubuntu 18.04.4LTS _Bionic Beaver_ - Release amd64 (20200203.1) bionic Release' does not have a Release file
22164
Problem with sudo apt get update: The repository cdrom... does not have a Release file
81853
W:Skipping acquire of configured file 'main/binary-1386/Packages' as repository... doesn't support architecture '1386'
59559
How to upgrade Git on Ubuntu Hardy?
155154
I am currently using 19.04 and I got "No new release found for 19.10"
26745
Skipping acquire of configured file 'contrib/binary-i386/Packages' as repository ... doesn't support architecture 'i386'
146564
How to fix unmet dependencies for udev:amd64 error on Ubuntu 18.04?
61516
Where can I get the repositories for old Ubuntu versions?
59088
How to upgrade to a newer release of Ubuntu using the Live CD?
15756
Getting "Not found" message when running a 32-bit binary on a 64-bit system
155198
What is the difference between the "jessie" and "jessie-updates" distributions in /etc/apt/sources.list?
102559
How to install package from newer distribution?
112879
W: The repository 'http://download.fpcomplete.com/ubuntu yakkety Release' is not signed
126273
error: package architecture (amd64) does not match system (i386)
1159
Apt/Synaptic needs to reinstall package but can't find the archive for it
64509
Can't update from official repositories [Error 409]
76614
BAD signature when trying to verify SHA256SUMS for Bionic Beaver ISO
9841
How can I fix "E:The package linux-modules-5.4.0-56-generic needs to be reinstalled, but I can't find an archive for it."?