docker: Error response from daemon

[Oleksandr Minakov]

I have this error (on commit 75c9f52 all worked properly).
Env:

• ubuntu 16.04
• docker 1.11.2
• kubectl 1.2.0

docker: Error response from daemon: linux mounts: Path /var/lib/kubelet is mounted on / but it is not a shared mount..

[Chris Pickett]

Problem is cgroup memory not enabled in the linux distro.
Open the file: /etc/default/grub
Edit the line with: GRUB_CMDLINE_LINUX="" to be:
GRUB_CMDLINE_LINUX="cgroup_enable=memory"
Then run update-grub with a reboot and it should work.