Upgrading from 9 to 13, do I have to go through minor versions?
211
Can I skip over releases when upgrading?
67481
How to revert a do-release-upgrade?
71382
Upgrade iPad to newer (but not latest) iOS
41913
How to do version numbers?
9901
How to upgrade from 18.10 to 19.10, using the command line?
100963
How to only perform LTS upgrades?
1520
How to install software or upgrade from an old unsupported release?
124563
Will Ubuntu minimal cd install ubuntu-desktop on release upgrade or just installed packages?
71284
What are all the Windows 7/8/8.1 updates (KBs) I must skip to avoid Windows 10 upgrading -and nags-?
125976
What Happens When I Upgrade Ubuntu?
117029
Can the previous version overwrite the currently installed app?
118978
Not all updates can be installed: partial upgrade
16526
Should I upgrade to the "mainline" kernels?
110335
How does the versioning work here?
7580
How to safely upgrade from an older Ubuntu version to a newer one?
13970
Why am I not getting the Ubuntu 18.04 upgrade?
8962
How to install multiple versions of the same software?