To set the Docker method of automatic startup __ Set the method for Docker to start automatically

1. Use Ststemctl command

Systemctl Enable Docker

2, move the Docker Docker.service service to the system service

# cp/usr/lib/systemd/system/docker.service/etc/systemd/system/#
systemctl daemon-reload #
Systemctl Restart Docker

After restarting the Docker, the symbolic link is automatically generated under/etc/systemd/system/multi-user.target.wants

[root@172 centos]# Ll/etc/systemd/system/multi-user.target.wants/docker.service
lrwxrwxrwx. 1 root Oct 10 17:14/etc/systemd/system/multi-user.target.wants/docker.service-> 
/usr/lib/systemd/system/ Docker.service