update problem in Ubuntu 18.04
991
How can I fix apt error "W: Target Packages ... is configured multiple times"?
9322
Software Updater Issue 16.04
121201
Why can't I update applications without upgrading the whole OS?
27688
Update-manager does not show all updates
36529
How to revert an update?
13107
How to install updates via command line?
26496
"yum update" error. How to handle this?
118978
Not all updates can be installed: partial upgrade
967
How can I avoid "please insert CD/DVD" error when updating Ubuntu?
129223
Ubuntu upgrade from 17.04 to 18.04
103929
sudo apt upgrade error 18.04 (Broken Packages)
140893
Error when using apt-get update
5877
"Failed to fetch" while updating
100494
Update Manager asking me to update kernel but apt-get upgrade does not?
12614
Upgrade problem
19288
Update manager doesn't offer an upgrade to the new release
80106
How do I enable automatic updates?