gistfile.txt

localhost units # ls -al
total 16
drwxr-xr-x 2 root root 4096 Aug  4 04:50 .
drwxr-xr-x 6  102 5000 4096 Aug  3 06:23 ..
-rw-r--r-- 1 root root  467 Aug  4 04:50 docker.service
-rw-r--r-- 1 root root  207 Aug  3 11:58 hello.service
localhost units # pwd
/media/state/units
localhost units # cat docker.service
[Service]
Type=simple
ExecStartPre=/bin/mount --make-rprivate /
# Enable forwarding to allow NAT to work
# TODO: Move this to sysctl.conf
ExecStartPre=/sbin/sysctl -w net.ipv4.ip_forward=1

# Try to use this alternate way of starting docker if docker crashes for you:
# ExecStart=/bin/bash -c "/usr/bin/nohup /usr/bin/docker -d -D &"
# You also need to update Type above to: Type=forking

ExecStart=/usr/bin/docker -d -D -r=true

[Install]
WantedBy=multi-user.target
localhost units # ps ax | grep docker
  298 ?        Ssl    0:00 /usr/bin/docker -d -D
  483 ?        Ssl    0:00 /usr/bin/docker run ubuntu /bin/sh -c while true; do echo Hello World; sleep 1; done
  492 ?        S      0:00 lxc-start -n 81f9ba7653adb2694ba1bb5c482e4d878e9c90f020ecad04fe4d3301499ffabc -f /var/lib/docker/containers/81f9ba7653adb2694ba1bb5c482e4d878e9c90f020ecad04fe4d3301499ffabc/config.lxc -- /sbin/init -g 172.16.42.1 -e HOME=/ -e PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin -- /bin/sh -c while true; do echo Hello World; sleep 1; done
 1206 pts/1    S+     0:00 grep --colour=auto docker