How to enable Disabled third party sources from command line after upgrade
111573
What's the best way to re-enable PPAs/repos after an upgrade?
76241
"no public key available" while upgrading using update-manager
9901
How to upgrade from 18.10 to 19.10, using the command line?
28104
Command line tools available by default
132933
Is there a tool to update my PPA sources.list entries after upgrading?
117983
Configuration Manager or hook_update() to enable modules
80106
How do I enable automatic updates?
1520
How to install software or upgrade from an old unsupported release?
7045
Why do I get "Required key not available" when install 3rd party kernel modules or after a kernel upgrade?
13450
Install restricted drivers in command line
94545
How to update ubuntu's python with latest version from source?
3353
Do I have to recompile my application when I upgrade a third party jar?
37454
Disable prompts while installing a Debian package
54991
How can I install updates and shut down from the command line?
11166
"Require Installation Of Untrusted Packages" while upgrading with the update manager
53588
How do remove the CD / DVD install as a source for apt-get packages when installing new features?
21134
system() has been disabled error message