[singebogo@localhost ~]$ sudo docker images

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

[singebogo@localhost ~]$ systemctl status docker

● docker.service - Docker Application Container Engine

Loaded: loaded (/usr/lib/systemd/system/docker.service; disabled; vendor preset: disabled)

Active: inactive (dead)

Docs: http://docs.docker.com

[singebogo@localhost ~]$ systemctl restart docker

[singebogo@localhost ~]$ sudo docker version

Client:

Version: 1.13.1

API version: 1.26

Package version: docker-1.13.1-208.git7d71120.el7_9.x86_64

Go version: go1.10.3

Git commit: 7d71120/1.13.1

Built: Mon Jun 7 15:36:09 2021

OS/Arch: linux/amd64

Server:

Version: 1.13.1

API version: 1.26 (minimum version 1.12)

Package version: docker-1.13.1-208.git7d71120.el7_9.x86_64

Go version: go1.10.3

Git commit: 7d71120/1.13.1

Built: Mon Jun 7 15:36:09 2021

OS/Arch: linux/amd64

Experimental: false