do-release-upgrade fails on Ubuntu 11.10
133
How can I fix a 404 Error when using a PPA or updating my package lists?
119943
Where can I find a repository for older unsupported releases?
13107
How to install updates via command line?
103929
sudo apt upgrade error 18.04 (Broken Packages)
8525
Error Updating: izx/askubuntu/ubuntu xenial Release' does not have a Release file
82035
Debian: The repository does not have a Release file
11579
Broken dependencies after upgrade
151584
Why doesn't the command do-release-upgrade doesn't require sudo?
20710
Apt update fails at chrome stable main: "File has unexpected size (1103 != 1104). Mirror sync in progress?"
42346
Why does Ubuntu release version at x.04 and x.10?
127766
how to upgrade my Debian package with minor changes
83216
apt get update missing release file
23096
How to remove obsolete packages after failed release upgrade via do-release-upgrade on Ubuntu?
81570
What does `--frontend` do in `do-release-upgrade` and where can I find the list of possible values?
23713
What is "dist-upgrade" and why does it upgrade more than "upgrade"?
119920
Failed upgrade from Ubuntu 19.10 to 20.04 "Please update the microcode"
130579
how to upgrade a single package in debian