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Ubuntu 16.04 installer problème snapd

Avoir un problème avec installer/désinstaller snapd.

Ma version de snap sur mon Ubuntu 16.04 pour une raison quelconque n'est pas correcte:

snap --version
 snap    2.31.1~14.04
 snapd   unavailable
 series  -

Je souhaite donc réinstaller manuellement le snad en utilisant:

Sudo apt-get install snapd

et obtenez l'erreur:

Errors were encountered while processing:
 /var/cache/apt/archives/snapd_2.33.1~14.04_AMD64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

J'ai décidé de désinstaller cette version en essayant d'utiliser cette commande:

Sudo apt purge snapd ubuntu-core-launcher squashfs-tools

me donnant ce résultat:

Reading package lists... Done
Building dependency tree       
Reading state information... Done
Package 'ubuntu-core-launcher' is not installed, so not removed
The following packages will be REMOVED:
  snapd* squashfs-tools*
0 upgraded, 0 newly installed, 2 to remove and 0 not upgraded.
After this operation, 79,3 MB disk space will be freed.
Do you want to continue? [Y/n] y
(Reading database ... 312065 files and directories currently installed.)
Removing snapd (2.31.1~14.04) ...
Failed to stop snapd.autoimport.service: Unit snapd.autoimport.service not loaded.
Failed to stop snapd.socket: Unit snapd.socket not loaded.
Failed to stop snapd.service: Unit snapd.service not loaded.
dpkg: error processing package snapd (--purge):
 subprocess installed pre-removal script returned error exit status 5
dpkg: squashfs-tools: dependency problems, but removing anyway as you requested:
 snapd depends on squashfs-tools; however:
  Package squashfs-tools is to be removed.

Removing squashfs-tools (1:4.3-3ubuntu2.16.04.1) ...
Processing triggers for man-db (2.7.5-1) ...
Errors were encountered while processing:
 snapd
E: Sub-process /usr/bin/dpkg returned an error code (1)

Commander:

apt-get -f install

ne va pas aider aussi bien.

~$ apt-cache policy snapd

snapd:
  Installed: 2.31.1~14.04
  Candidate: 2.33.1~14.04
  Version table:
     2.33.1~14.04 500
        500 http://archive.ubuntu.com/ubuntu trusty-proposed/universe AMD64 Packages
     2.32.9 500
        500 http://ru.archive.ubuntu.com/ubuntu xenial-updates/main AMD64 Packages
     2.32.9~14.04 500
        500 http://archive.ubuntu.com/ubuntu trusty-updates/universe AMD64 Packages
 *** 2.31.1~14.04 100
        100 /var/lib/dpkg/status
     2.0.2 500
        500 http://ru.archive.ubuntu.com/ubuntu xenial/main AMD64 Packages

S'il vous plaît, si vous avez une idée de ce qui se passe et comment résoudre ce problème, aidez-moi :)

Modifier:

Trusty paquets que j'ai dans une liste de souces:

deb http://archive.ubuntu.com/ubuntu/ trusty main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ trusty-security main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ trusty-updates main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ trusty-proposed main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse
16.04aptsoftware-installationdpkgsnap
3
descogle

Ma version de résoudre ce problème:

  1. Supprimez/commentez toutes les sources fiables de votre /etc/apt/sources.list.
  2. Exécutez Sudo apt-get update et vérifiez que apt-cache policy snapd a maintenant le Candidate: 2.32.9 dont vous avez besoin. essayez de Sudo apt install --reinstall snapd.
  3. Optionnel. Si vous avez toujours l'erreur Sub-process /usr/bin/dpkg returned an error code (1), nettoyez le cd var/lib/dpkg/info avec Sudo rm ./snapd* et réinstallez le snapd Sudo apt install --reinstall snapd.
  4. Vérifiez que la version installée est 2.32.9 snap --version.
3
descogle