docker启动容器
$ docker start my_container
docker在容器上运行命令
sudo docker exec -it <container name> <command>
如何启动docker
systemctl start docker.service
#(OR)
systemctl start docker
# it will start docker
启动docker容器
$ docker start <container_id>
docker启动容器
docker start -a <container_id>
docker run restart always
$ docker run --restart=always redis