Error on migration from Ubuntu 23.10 to 24.04 LTS

[loulou92]

Hello,
I am new user on Linux Administration.
I am trying to update from 23.10 to 24.04.
I got the following message by using sudo do-release-upgrade

Vérification du gestionnaire de paquets
Lecture des listes de paquets… Terminé
Construction de l'arbre des dépendances… Terminé
Lecture des informations d'état… Terminé
Att http://fr.archive.ubuntu.com/ubuntu mantic InRelease
Att http://fr.archive.ubuntu.com/ubuntu mantic-updates InRelease
Att http://fr.archive.ubuntu.com/ubuntu mantic-backports InRelease
Att https://download.docker.com/linux/ubuntu mantic InRelease
Att https://linux.teamviewer.com/deb stable InRelease
Att http://security.ubuntu.com/ubuntu mantic-security InRelease
Ign http://archive.canonical.com/ubuntu mantic InRelease
Err http://archive.canonical.com/ubuntu mantic Release
404 Not Found [IP : 2620:2d:4000:1003::111 80]
0 o réceptionnés en 0s (0 o/s)
Lecture des listes de paquets… Terminé
Construction de l'arbre des dépendances… Terminé
Lecture des informations d'état… Terminé

Thanks in advance if you can help to solve this problem

[TheFu]

Support for 23.10 ended. The repos are probably gone. 23.10. You waited too long. End of support means end of support. Migrate to a new OS BEFORE that happens.

You can try to install 24.04.1 over the existing install. That will leave some cruft behind.
If you want the cleanest install, format everything and do a fresh 24.04.1 install. Of course, you should backup everything you don't want to lose BEFORE doing this. Not just the data, but the file metadata like the owner, group, permissions, ACLs, and xattrs too. Any good backup tool will do that. Don't just copy files off. That isn't sufficient for system files. It might be sufficient for your personal data files in your $OME directory. Your choice if you want to risk it.

[loulou92]

Hi TheFu,
Thanks for you reply and proposal.

[loulou92]

I update my post because i was able to migrate from 23.10 to 24.04 LTS thank to the French Ubuntu forum.
The problem only resides with http://archive.canonical.com/ubuntu mantic InRelease