After automatic upgrade, apt-get update cause `Error in `appstreamcli': double free or corruption`
25001
E: Problem executing scripts APT Update::Post-Invoke-Success error during apt-get update
22615
How to upgrade shared library without crash?
41844
Package Install via Market sometimes fails and gives seemingly random error message
87672
Apt-Get system completely broken. possible to completely reinstall it?
6105
What is the easiest way to resolve apt-get BADSIG GPG errors?
67481
How to revert a do-release-upgrade?
127852
How do I update a program installed from a manually-downloaded deb package?
25957
How do I apt-get -y dist-upgrade without a grub config prompt?
6173
"method driver /usr/lib/apt/methods/https could not be found" update error
5820
How to fix the “Unable to calculate upgrade” issue from command line when upgrading from 12.04 to 14.04?
148085
how I can fix "AppStream cache update completed, but some metadata was ignored due to errors."?"
21382
What does "sudo apt-get update" do?
81853
W:Skipping acquire of configured file 'main/binary-1386/Packages' as repository... doesn't support architecture '1386'
112955
How can I upgrade Ubuntu from 19.10 to 20.04 without losing packages?
99687
update-alternatives --install says it needs link name path priority?
35931
Apt update error - "An error occurred during the signature verification" (Chrome)
40885
What should I do when I got the KEYEXPIRED error message after an apt-get update?