I am trying to update zesty and facing errors. I tried apt-get update/upgrade and apt update as well. I can see that updates are available though. I tried through update manager GUI but faced an issue.
Ign:9 http://mirror.adminbannok.com/ubuntu zesty InRelease
Ign:11 http://mirror.adminbannok.com/ubuntu zesty-updates InRelease
Ign:12 http://mirror.adminbannok.com/ubuntu zesty-backports InRelease
Ign:13 http://mirror.adminbannok.com/ubuntu zesty-security InRelease
Err:14 http://mirror.adminbannok.com/ubuntu zesty Release
404 Not Found
Err:15 http://mirror.adminbannok.com/ubuntu zesty-updates Release
404 Not Found
Err:16 http://mirror.adminbannok.com/ubuntu zesty-backports Release
404 Not Found
Err:17 http://mirror.adminbannok.com/ubuntu zesty-security Release
404 Not Found
Lecture des listes de paquets... Fait
E: The repository 'https://dl.bintray.com/sbt/debian Release' is no longer signed.
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://mirror.adminbannok.com/ubuntu zesty Release' does no longer 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://mirror.adminbannok.com/ubuntu zesty-updates Release' does no longer 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://mirror.adminbannok.com/ubuntu zesty-backports Release' does no longer 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://mirror.adminbannok.com/ubuntu zesty-security Release' does no longer 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.
Best Answer
As described in release notes. Zesty will be supported for 9 months until January 2018. Therefore you can use
old-releasessite, to install zesty packages.You can use following sources list entries:
It can be successfully retrieved by apt without any problems.