How do I upgrade from 12.04 to 14.04
12578
How do I upgrade to a newer version of Ubuntu?
126659
upgrade from 11.10 to 12.04 - No upgrade option available in update manager
121201
Why can't I update applications without upgrading the whole OS?
1520
How to install software or upgrade from an old unsupported release?
87236
How to upgrade Ubuntu 12.04 to 13.10?
74079
How to Upgrade Ubuntu 12.04.2, 12.04.3 to 12.04.4, the next Hardware Enablement Stack?
72152
Upgrading 16.04 to 16.04.1
12614
Upgrade problem
128471
How do I update from 9.0.10 to 9.1.0?
3969
Can't login to Ubuntu 14.04 after upgrade
130579
how to upgrade a single package in debian
63232
How to update kernel to the latest mainline version without any Distro-upgrade?
60659
Install newer package version from trusty-backports
2670
Why is "No new release found" when upgrading from a LTS to the next?
129101
Upgrading Ubuntu 9.04 to 9.10 when Update Manager doesn't let you
97346
Is it possible to skip releases during an upgrade?
140470
How do I update kernel to the latest mainline version?