I download Docker, I run docker run hello-world. It works! THEN I restart my server to make sure it works correctly and I get this after it restarts.I am using Red Hat
Client:
Version: 18.09.1
API version: 1.39
Go version: go1.10.6
Git commit: 20b6775
Built: Wed Jan 9 16:51:30 2019
OS/Arch: linux/amd64
Experimental: false
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?