How to Upgrade from 13.04 to 13.10?
12578
How do I upgrade to a newer version of Ubuntu?
77705
Unable to upgrade in ubuntu
16428
Upgrade to the latest PHP version in ubuntu 16.04
32200
How do I downgrade a package?
50810
No upgrade available for 19.04 from 18.10
58979
How can I upgrade Ubuntu LTS to the next one offline?
59088
How to upgrade to a newer release of Ubuntu using the Live CD?
77692
How do I update Drush to the latest available version?
16578
How to upgrade a single package using apt-get?
120436
Point Release upgrade from 14.04.1 to 14.04.2?
29191
Upgrade to 18.04 from 17.10
74990
Error while trying to upgrade from Ubuntu 18.04 to 18.10: "Please install all available updates for your release before upgrading."
78587
How do I update core to 8.5?
67359
Upgrade to the latest PHP version in Ubuntu
9901
How to upgrade from 18.10 to 19.10, using the command line?
7357
upgrade to 13.10 stalled and restart failed
1520
How to install software or upgrade from an old unsupported release?