Upgrade to ubuntu 18.04 from 14.04
211
Can I skip over releases when upgrading?
67365
How to install another Ubuntu alongside different version of Ubuntu?
59088
How to upgrade to a newer release of Ubuntu using the Live CD?
6833
Why is my Ubuntu 18.04 distribution asking me to upgrade to Pop!_OS 19.10?
67359
Upgrade to the latest PHP version in Ubuntu
109902
Will I lose the already installed applications if I upgrade from ubuntu 18.04 to 20.04
56150
Can't upgrade/update ubuntu 18.04 as apt/dpkg error is showing up
75798
How to upgrade to the latest GNOME version?
80794
Ubuntu 18.04 stuck at upgrading linux-header
16050
Can I upgrade Xubuntu 18.04 32-bit?
144507
No facility exists in Update Manager to upgrade to a new version, why?
3969
Can't login to Ubuntu 14.04 after upgrade
7580
How to safely upgrade from an older Ubuntu version to a newer one?
2670
Why is "No new release found" when upgrading from a LTS to the next?
89856
How to resume the interrupted upgrade from 14.10 to 15.04?
42634
How do I upgrade to the development release (aka. Ubuntu+1)?
68597
Will upgrading Ubuntu remove installed software?