Monday, August 07, 2017

use docker's overlay2 storage driver on Ubuntu 16.0+

Docker defaults to using its aufs storage driver on Ubuntu 16.0.4, but the system has a 4.4 kernel, so it's probably a good idea to switch over to the overlay2 driver.

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.2 LTS
Release: 16.04
Codename: xenial

$ uname -r

$ sudo cat /etc/docker/daemon.json
  "log-driver": "journald"

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