sudo apt update
22164
Problem with sudo apt get update: The repository cdrom... does not have a Release file
45118
Run apt-get without sudo
53336
Set Update Manager to install to sites/all/modules/contrib?
69960
What is sudo apt-get -f install?
118864
What exactly does sudo apt-get -f install do?
54991
How can I install updates and shut down from the command line?
121873
sudo apt-offline install not updating
151584
Why doesn't the command do-release-upgrade doesn't require sudo?
132149
How do I run terminal in sudo mode?
13760
How do I grant sudo privileges to an existing user?
73053
Unable to lock the administration directory (/var/lib/dpkg/), are you root?
127766
how to upgrade my Debian package with minor changes
123413
Will apt-get dist-upgrade upgrade my system to a newer version?
46919
How does sudo handle $HOME differently since 19.10?
45541
How to fix sudo after "chmod -R 777 /usr/bin"?
35152
Dependency errors for python3 and many others when I run sudo apt-get upgrade
44683
Problem with sudo apt update in Ubuntu 18.04: Post-Invoke-Success if /usr/bin/test -w /var/lib/command-not-found/