Ubuntu 20.04 LTS / fix problem sudo apt update / is configuring multiple times
991
How can I fix apt error "W: Target Packages ... is configured multiple times"?
22164
Problem with sudo apt get update: The repository cdrom... does not have a Release file
31715
I set /usr/bin, /usr/lib, and /usr/share to be owned by my regular user and now I am getting interesting errors
43680
How to stop apt from doing anything
36696
Unmet dependencies unable to fix
140893
Error when using apt-get update
728
Unable to lock the administration directory (/var/lib/dpkg/) is another process using it?
13744
sudo apt-get update failing - "could not open" list file due to "permission denied"
64449
apt installing more packages than specified as dependencies
64509
Can't update from official repositories [Error 409]
79330
what does "sudo apt-get install aptitude" do?
29173
What overwrites /etc/resolv.conf on every boot?
9114
reconfiguration issues with dpkg
53997
APT update fails: writing more data than expected
65341
dpkg reports problems configuring huge list of python-related packages after any APT command
26051
N: Ignoring file '50unattended-upgrades.ucf-dist' in directory '/etc/apt/apt.conf.d/' as it has an invalid filename extension
155918
What information do I need to solve an APT dependency issue?