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This should be simple, but why can't I upgrade to v21?

a@sj:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 20.10
Release:    20.10
Codename:   groovy

a@sj:~$ sudo apt update
Hit:1 http://us.archive.ubuntu.com/ubuntu groovy InRelease
Hit:2 http://security.ubuntu.com/ubuntu groovy-security InRelease
Hit:3 http://us.archive.ubuntu.com/ubuntu groovy-updates InRelease
Hit:4 http://us.archive.ubuntu.com/ubuntu groovy-backports InRelease
Reading package lists... Done
Building dependency tree

Reading state information... Done
All packages are up to date.


a@sj:~$ sudo apt upgrade
Reading package lists... Done
Building dependency tree

Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.


a@sj:~$ sudo apt dist-upgrade
Reading package lists... Done
Building dependency tree

Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

I suppose that 21.04 LTS has not been released, but I set "any version" in the Update Manager and it is not giving me the option:

$ sudo do-release-upgrade
Checking for a new Ubuntu release
No new release found.

$ tail -n 1 /etc/update-manager/release-upgrades
Prompt=normal
user1156544
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    Are you using the desktop or the server version of Ubuntu. If desktop, have you tried the software updater tool? The correct last command you should have used is sudo do-release-upgrade. – user68186 May 20 '21 at 22:27
  • Yes, it is the Desktop version. I run the command while you wrote this, see update in my question – user1156544 May 20 '21 at 22:29
  • 21.04 is not a LTS version. LTS come out in April of every even years, So after 20.04, the next LTS will be 22.04. – user68186 May 20 '21 at 22:32
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    I upgraded to v21 today following this steps https://www.linuxbabe.com/ubuntu/upgrade-ubuntu-20-04-20-10-to-21-04 – David Folch Agulles May 20 '21 at 22:35
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    Likely useful - please scan my answer on https://askubuntu.com/questions/1338429/ubuntu-21-04-update-available-then-disappears – guiverc May 20 '21 at 22:42
  • With your help I think I was missing the -d option. I will wait to see if everything was correct and publish the steps just in case someone is in the same situation. Great community! – user1156544 May 20 '21 at 22:59
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    The release notes tell you how, so just read them.. You can also read other answers here, eg. an earlier answer of mine on 20.10->21.04 https://askubuntu.com/questions/1333226/how-can-i-update-to-ubuntu-21-04 mentions -d which is required because it's not yet deemed safe (ie. you may end up with a box that doesn't boot... ; the -d means you accept that risk & are willing to use development grade software) – guiverc May 21 '21 at 01:20
  • Yes, that answer the question too, thanks. I will not publish the steps because they can be found in the given URLs, and I also bricked the machine with the update.... – user1156544 May 21 '21 at 22:17

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