apt-get upgrade: pourquoi lxc-docker est-il retenu?

Pourquoi lxc-docker est-il retenu? Je remarque également que mon application Web, exécutée sur Docker, est assez lente. Aucune suggestion?

[lucas@production]/home/lucas$ sudo apt-get dist-upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done The following package was automatically installed and is no longer required: linux-image-3.16.0-28-generic Use 'apt-get autoremove' to remove it. The following packages have been kept back: lxc-docker 0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded. [lucas@production]/home/lucas$ sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done The following package was automatically installed and is no longer required: linux-image-3.16.0-28-generic Use 'apt-get autoremove' to remove it. The following packages have been kept back: lxc-docker 0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded. 

Notez que j’ai déjà exécuté sudo apt-get dist-upgrade , ce qui ne résout pas ce problème. Donc, je ne pense pas que mes questions sont un duplicata de ces questions

Vous pouvez mettre à niveau lxc-docker spécifiquement:

 sudo apt-get install lxc-docker 

Cela devrait écraser tout ce qui retient la mise à jour (sauf les paquets retenus manuellement, ce que nous avons exclus dans ce cas).