how to start docker code example

Example 1: how to restart docker linux

$ sudo systemctl start docker

Example 2: how to start docker

systemctl start docker.service
#(OR)
systemctl start docker
# it will start docker

Example 3: docker start container

$ docker start my_container

Example 4: docker getting-started

#make sure docker is installed 
docker run -dp 80:80 docker/getting-started