Update Ubuntu 14.04 Problem
133
How can I fix a 404 Error when using a PPA or updating my package lists?
154072
Ubuntu 17.10 doesn't show up in update-manager
122588
Can't connect to ubuntu archive when using apt-get update
6913
Grub update warning in Ubuntu 14.04
5877
"Failed to fetch" while updating
16837
Unable to upgrade from 14.04 to 14.10 "Cannot Calculate Upgrades"
83960
How do I change my update server in Ubuntu 18.04?
120436
Point Release upgrade from 14.04.1 to 14.04.2?
80899
"no public key available" on apt-get update
42634
How do I upgrade to the development release (aka. Ubuntu+1)?
95593
sudo apt-get update returns an error
64509
Can't update from official repositories [Error 409]
94621
archive.ubuntu.com missing raring-updates
11166
"Require Installation Of Untrusted Packages" while upgrading with the update manager
74069
Can't update drupal core to 7.27
4124
I cannot run apt update properly - apt update hangs
153212
Ubuntu shut down while updating?