sudo apt-get update: The repository 'http://ppa.launchpad.net/ezaquarii/packages/ubuntu bionic Release' no longer has a Release file
65
What can I do if a repository/PPA does not have a Release file?
119943
Where can I find a repository for older unsupported releases?
48418
W: GPG error: http://ppa.launchpad.net precise Release: The following signatures couldn't be verified because the public key is not available:
10193
Failed to download repository information due to missing CDROM
84803
sudo apt get update gives error - The package cache file is corrupted
79163
Sources missing in /etc/apt/sources.list, how do I get them back?
21323
Where can I download the latest release of Ubuntu?
52190
How and when is old-releases.ubuntu.com updated?
83924
error while trying to sudo apt-get update GPG, no sign repository
114246
apt-get update, unlinking
112879
W: The repository 'http://download.fpcomplete.com/ubuntu yakkety Release' is not signed
76241
"no public key available" while upgrading using update-manager
150104
Unable to download software center from package manager: 404 Not Found
22164
Problem with sudo apt get update: The repository cdrom... does not have a Release file
86777
Distribution upgrade problem "No new release found"
1159
Apt/Synaptic needs to reinstall package but can't find the archive for it
44683
Problem with sudo apt update in Ubuntu 18.04: Post-Invoke-Success if /usr/bin/test -w /var/lib/command-not-found/