How to upgrade from 14.04 to 16.04?
2670
Why is "No new release found" when upgrading from a LTS to the next?
80233
Upgrade to 20.04 from 19.10 isn't available
10709
Can i upgrade ubuntu without losing my apps and files?
55211
Problem when upgrading to Ubuntu 14.04 from Ubuntu 12.04
125976
What Happens When I Upgrade Ubuntu?
66915
How to request a package upgrade in the next Ubuntu release
21524
I want to Change ubuntu 14.04 from 64 bit to 32 bit
1520
How to install software or upgrade from an old unsupported release?
128471
How do I update from 9.0.10 to 9.1.0?
35146
Will apt-get dist-upgrade upgrade my system to newer version?
15687
How do I resume a release upgrade?
114305
On really old Ubuntu 6.06 - How to upgrade
58979
How can I upgrade Ubuntu LTS to the next one offline?
35243
Is it safe to do-release-upgrade from 12.04.4 to 14.04.1?
83960
How do I change my update server in Ubuntu 18.04?
105335
How do I upgrade my Ubuntu server from one LTS version to another? Is this safe?
119595
Is it necessary to upgrade to 14.04 LTS or can I stand in 12.04 LTS forever with no problem?