Ubuntu 16.04 - > ERROR: Couldn't connect to Docker daemon - you might need to run `docker-machine start default`

Question

I am getting error on ubuntu 16.04

\"ERROR: Couldn\'t connect to Docker daemon - you might need to run docker- machine start default. \"

Answer 1

I had this same error 10 minutes ago and solved it by doing:

sudo snap remove docker

when finished:

sudo snap install docker

Problem solved.