sudo docker ps

I get back

 Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?

When checking - sudo service docker status result

 docker start/pre-start, process 1357

So the service is running

sudo usermod -aG docker $USER - does not help

/ etc / default / docker -

 # Docker Upstart and SysVinit configuration file # Customize location of Docker binary (especially for development testing). #DOCKER="/usr/local/bin/docker" # Use DOCKER_OPTS to modify the daemon startup options. #DOCKER_OPTS="--dns 8.8.8.8 --dns 8.8.4.4" # If you need Docker to use an HTTP proxy, it can also be specified here. #export http_proxy="http://127.0.0.1:3128/" # This is also a handy place to tweak where Docker's temporary files go. #export TMPDIR="/mnt/bigdrive/docker-tmp"
  • The docker is running, but what do you want? - ArcherGodson
  • @ArcherGodson sudo docker ps and any command does not work, and so everything is ok - modelfak
  • @MikhailVaysman Ubuntu 04/14 - modelfak
  • @MikhailVaysman added, does it make sense? I think no - modelfak
  • meaning to understand how your demon is running. do you have a socket /var/run/docker.sock ? what are its attributes? - Mikhail Vaysman

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