How do I upgrade from 12.04 to 14.04?
12578
How do I upgrade to a newer version of Ubuntu?
16578
How to upgrade a single package using apt-get?
3969
Can't login to Ubuntu 14.04 after upgrade
10709
Can i upgrade ubuntu without losing my apps and files?
15687
How do I resume a release upgrade?
99169
How to install previous Firefox version?
113056
How to upgrade from 12.04 to 12.10 using CD?
41964
Where is the update to 14.04.1 in update-manager?
120436
Point Release upgrade from 14.04.1 to 14.04.2?
140470
How do I update kernel to the latest mainline version?
102559
How to install package from newer distribution?
113942
Is it possible to install Python 3.x in 14.04 LTS, or upgrade from Python 2.7.6 to 2.7.8?
72152
Upgrading 16.04 to 16.04.1
94942
How to update libavcodec on ubuntu 14.04?
158735
How to update Wine to the latest version?
75798
How to upgrade to the latest GNOME version?
144662
How to get Gnome 3.14 on ubuntu 14.04