need to update Ubuntu 10.1 to New 15.4?
211
Can I skip over releases when upgrading?
100135
What does "upgrade to 18.04" mean?
99169
How to install previous Firefox version?
36703
How do I upgrade from 12.10 to 13.04?
74079
How to Upgrade Ubuntu 12.04.2, 12.04.3 to 12.04.4, the next Hardware Enablement Stack?
128471
How do I update from 9.0.10 to 9.1.0?
144175
How do I install and keep updated with the most recent versions of Blender on Ubuntu?
119169
Should I upgrade to 14.04 LTS?
41964
Where is the update to 14.04.1 in update-manager?
41519
What can I do if a package is not available on the newest version of Ubuntu (18.04) but is available on older versions?
32829
One single command to update everything in Ubuntu?
114305
On really old Ubuntu 6.06 - How to upgrade
2670
Why is "No new release found" when upgrading from a LTS to the next?
119595
Is it necessary to upgrade to 14.04 LTS or can I stand in 12.04 LTS forever with no problem?
74990
Error while trying to upgrade from Ubuntu 18.04 to 18.10: "Please install all available updates for your release before upgrading."
102559
How to install package from newer distribution?
13832
How to update Ubuntu terminal?