Unable to update Ubuntu
51350
While updating the ubuntu 16.04 does not have a Release file Error
86777
Distribution upgrade problem "No new release found"
726
Update Manager message "New Hardware Support is Available"
28650
`apt-get update` cannot find Ubuntu servers
118978
Not all updates can be installed: partial upgrade
129223
Ubuntu upgrade from 17.04 to 18.04
117728
sudo apt update error
12614
Upgrade problem
46720
sudo apt update error: "Release file is not yet valid"
33651
How to upgrade from Ubuntu 12.10 to 14.04
145400
Error when trying sudo apt-get update - Python related?
7580
How to safely upgrade from an older Ubuntu version to a newer one?
3275
I can't seem to install Ubuntu 16.04.2
94793
How do you run update-grub?
154622
How do I resolve this installation error?
87236
How to upgrade Ubuntu 12.04 to 13.10?
95593
sudo apt-get update returns an error