Hi guys,
I have an Ubuntu 20.10 instance that I need to upgrade to a newer release (21.04/21.10). When I try to do that using the
update-manager it shows the message "Software updates are no longer provided for Ubuntu 20.10. To stay secure you should upgrade to Ubuntu 21.10", however when I click on Upgrade it tries to upgrade to Ubuntu 21.10 'Impish Indri' and then gives an error message "Can not upgrade. An upgrade from 'groovy' to 'impish' is not supported with this tool.".
My current version:
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.10
Release: 20.10
Codename: groovy
If I try to run the
sudo apt-get update && sudo apt-get dist-upgrade commands it gives me error below for several repositories. It's using the main server.
Err:17
http://archive.ubuntu.com/ubuntu groovy-security Release
404 Not Found [IP: 91.189.88.152 80]
Err:18
http://ppa.launchpad.net/vajdics/netbeans-installer/ubuntu groovy Release
404 Not Found [IP: 91.189.95.85 80]
Reading package lists... Done
E: The repository '
http://archive.ubuntu.com/ubuntu groovy Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(
manpage for repository creation and user configuration details.
I've already tried to disable all repos from the Others view, but it do not solve the problem.
Err:5
http://archive.ubuntu.com/ubuntu groovy Release
404 Not Found [IP: 91.189.88.152 80]
Err:6
http://archive.ubuntu.com/ubuntu groovy-updates Release
404 Not Found [IP: 91.189.88.152 80]
Err:7
http://archive.ubuntu.com/ubuntu groovy-backports Release
404 Not Found [IP: 91.189.88.152 80]
Err:8
http://archive.ubuntu.com/ubuntu groovy-security Release
404 Not Found [IP: 91.189.88.152 80]
Reading package lists... Done
E: The repository '
http://archive.ubuntu.com/ubuntu groovy Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(
manpage for repository creation and user configuration details.
E: The repository '
http://archive.ubuntu.com/ubuntu groovy-updates Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(
manpage for repository creation and user configuration details.
E: The repository '
http://archive.ubuntu.com/ubuntu groovy-backports Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(
manpage for repository creation and user configuration details.
E: The repository '
http://archive.ubuntu.com/ubuntu groovy-security Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(
manpage for repository creation and user configuration details.
Can someone help me to get it upgraded to a newer version? I believe that it should be upgraded first to 21.04, but I cannot find any way to do that. Is there any way of upgrading it using a ISO image or something like that? Thanks.