Update GPG error - NO_PUBKEY - The repository release is not signed
90212
'http://download.opensuse.org/repositories/home:/strycore/xUbuntu_16.04 ./ Release' is not signed
119943
Where can I find a repository for older unsupported releases?
126437
pass and gpg: No public key
76883
How can I remove gpg key that I added using apt-key add -?
85711
verifiying ubuntu iso with repository gpg-keys
145400
Error when trying sudo apt-get update - Python related?
13107
How to install updates via command line?
80899
"no public key available" on apt-get update
8525
Error Updating: izx/askubuntu/ubuntu xenial Release' does not have a Release file
87306
Problems updating Python from the repositories today (Feb 25, 2021)
82035
Debian: The repository does not have a Release file
43579
I cannot install new packages: "Could not get lock /var/lib/dpkg/lock"
24165
Upgrade to version newer than repositories
85250
Skipping acquire of configured file 'xxxx' as repository 'xxxx xenial InRelease' doesn't support architecture 'i386'"
4305
How do I fix a "Problem with MergeList" or "status file could not be parsed" error when trying to do an update?
58759
How to fix missing GPG keys?
65
What can I do if a repository/PPA does not have a Release file?