Help to upgrade ubuntu 14.04 to 16.04
12578
How do I upgrade to a newer version of Ubuntu?
43778
Is it possible to "upgrade" from a 32bit to a 64bit installation?
144172
How to upgrade to a point release from the same base release (12.04 to 12.04.03)
119595
Is it necessary to upgrade to 14.04 LTS or can I stand in 12.04 LTS forever with no problem?
125976
What Happens When I Upgrade Ubuntu?
129223
Ubuntu upgrade from 17.04 to 18.04
29191
Upgrade to 18.04 from 17.10
120436
Point Release upgrade from 14.04.1 to 14.04.2?
119169
Should I upgrade to 14.04 LTS?
77705
Unable to upgrade in ubuntu
5316
Update from 14.04 to 16.04 failed with GPG error
58888
Change Ubuntu 17.04 to Ubuntu 16.04.2 LTS
15687
How do I resume a release upgrade?
75798
How to upgrade to the latest GNOME version?
66915
How to request a package upgrade in the next Ubuntu release
67359
Upgrade to the latest PHP version in Ubuntu
46571
How do I install Ubuntu 16.04 from an SD card?