Docker系统：安装portainer

https://docs.portainer.io/v/ce-2.9/start/install/server/docker/linux

shell>docker run -d -p 8000:8000 -p 9443:9443 --name portainer \
    --restart=always \
    -v /var/run/docker.sock:/var/run/docker.sock \
    -v portainer_data:/data \
    portainer/portainer-ce:latest

部署成功

如何管理多个docker主机

管理其他Docker主机，需要开启Docker API：

shell>vi /usr/lib/systemd/system/docker.service
ExecStart=/usr/bin/dockerd -H tcp://0.0.0.0:2375 -H unix:///var/run/docker.sock 
shell>systemctl daemon-reload
shell>systemctl restart docker
shell>ss -anpt | grep 2375