do-release-upgrade from 20.10 to 21.04 on Raspi not working?
63176
How can I update to Ubuntu 21.04?
35093
Upgrading from the command line?
119971
Install 17.10 on 32 bit machine
127766
how to upgrade my Debian package with minor changes
29191
Upgrade to 18.04 from 17.10
121201
Why can't I update applications without upgrading the whole OS?
13399
Why can I no longer (un)install packages via apt-get after doing a partial dist-upgrade?
2670
Why is "No new release found" when upgrading from a LTS to the next?
98421
How will people upgrade from 12.10 to later releases after 13.04 is EOL?
23713
What is "dist-upgrade" and why does it upgrade more than "upgrade"?
78587
How do I update core to 8.5?
118307
Why does upgrade from 12.04 to 12.10 using a CD/DVD still require download?
140470
How do I update kernel to the latest mainline version?
6833
Why is my Ubuntu 18.04 distribution asking me to upgrade to Pop!_OS 19.10?
123413
Will apt-get dist-upgrade upgrade my system to a newer version?
66915
How to request a package upgrade in the next Ubuntu release
60659
Install newer package version from trusty-backports