I'm running ubuntu 21.10 and trying to update and then upgrade.
unfortunatelly
sudo apt update
i get the following errors:
Ign:1 http://.archive.ubuntu.com/ubuntu impish-updates InRelease
Ign:2 http://archive.ubuntu.com/ubuntu impish InRelease
Ign:3 http://security.ubuntu.com/ubuntu impish-security InRelease
Ign:4 http://archive.ubuntu.com/ubuntu impish-updates InRelease
Err:5 http://security.ubuntu.com/ubuntu impish-security Release
404 Not Found [IP: 2001:67c:1562::15 80]
Ign:6 http://apt.postgresql.org/pub/repos/apt impish-pgdg InRelease
Ign:7 http://archive.ubuntu.com/ubuntu impish-backports InRelease
Err:8 http://archive.ubuntu.com/ubuntu impish Release
404 Not Found [IP: 2001:67c:1562::18 80]
Err:9 http://apt.postgresql.org/pub/repos/apt impish-pgdg Release
404 Not Found [IP: 2001:4800:3e1:1::246 80]
Err:10 http://archive.ubuntu.com/ubuntu impish-updates Release
404 Not Found [IP: 2001:67c:1562::18 80]
Err:11 http://archive.ubuntu.com/ubuntu impish-backports Release
404 Not Found [IP: 2001:67c:1562::18 80]
Ign:1 http://.archive.ubuntu.com/ubuntu impish-updates InRelease
Ign:1 http://.archive.ubuntu.com/ubuntu impish-updates InRelease
Err:1 http://.archive.ubuntu.com/ubuntu impish-updates InRelease
Could not resolve '.archive.ubuntu.com'
Reading package lists... Done
E: The repository 'http://security.ubuntu.com/ubuntu impish-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(8) manpage for repository creation and user configuration details.
E: The repository 'http://archive.ubuntu.com/ubuntu impish 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(8) manpage for repository creation and user configuration details.
E: The repository 'http://apt.postgresql.org/pub/repos/apt impish-pgdg Release' no longer has a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository 'http://archive.ubuntu.com/ubuntu impish-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(8) manpage for repository creation and user configuration details.
E: The repository 'http://archive.ubuntu.com/ubuntu impish-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(8) manpage for repository creation and user configuration details.
also running the following command:
do-release-upgrade
produces the following output...
Checking for a new Ubuntu release
Your Ubuntu release is not supported anymore.
For upgrade information, please visit:
http://www.ubuntu.com/releaseendoflife
Please install all available updates for your release before upgrading.
also please not the file /etc/apt/sources.list is empty....
any help?
thank you very much!
