How to upgrade from 12.10 to 14.04
12578
How do I upgrade to a newer version of Ubuntu?
77705
Unable to upgrade in ubuntu
87236
How to upgrade Ubuntu 12.04 to 13.10?
63232
How to update kernel to the latest mainline version without any Distro-upgrade?
130579
how to upgrade a single package in debian
144507
No facility exists in Update Manager to upgrade to a new version, why?
29191
Upgrade to 18.04 from 17.10
35539
How do I install the latest version of node.js?
421
How do I update a Drupal distribution to a newer version?
16837
Unable to upgrade from 14.04 to 14.10 "Cannot Calculate Upgrades"
12614
Upgrade problem
126659
upgrade from 11.10 to 12.04 - No upgrade option available in update manager
43917
What is the difference between apt-get update and upgrade?
97346
Is it possible to skip releases during an upgrade?
38925
Can you update to macOS 10.14 (Mojave) without converting to APFS?
58979
How can I upgrade Ubuntu LTS to the next one offline?
112955
How can I upgrade Ubuntu from 19.10 to 20.04 without losing packages?