下载docker
https://download.docker.com/linux/static/stable/x86_64/
docker-20.10.9.tgz 

解压 把 可执行文件 全部复制到 /usr/bin/

cp *  /usr/bin/
cp docker.service  /etc/systemd/system/
cp daemon.json /etc/docker/

cat /etc/systemd/system/docker.service 
cat /etc/docker/daemon.json

systemctl daemon-reload
systemctl enable docker.service
systemctl start docker
systemctl stop docker
systemctl restart docker
systemctl status docker
systemctl status docker.service

服务 unit  默认后缀 .service 

查看日志 
journalctl -xe

journalctl -u docker 
journalctl -u docker.service 

docker pull hello-world
docker run hello-world
可直接  docker run hello-wrold  
docker  images 
docker rmi hello-world -f


daemon.json

{
     "registry-mirrors": ["http://192.168.0.9:8888"],"graph":"/data"
}



docker.service 


[Unit]
Description=Docker Application Container Engine
Documentation=https://docs.docker.com
After=network-online.target firewalld.service
Wants=network-online.target
[Service]
Type=notify
ExecStart=/usr/bin/dockerd --selinux-enabled=false
ExecReload=/bin/kill -s HUP $MAINPID
LimitNOFILE=infinity
LimitNPROC=infinity
LimitCORE=infinity
TimeoutStartSec=0
Delegate=yes
KillMode=process
Restart=on-failure
StartLimitBurst=3
StartLimitInterval=60s
[Install]
WantedBy=multi-user.target



  docker设置镜像仓库 
  docker常用命令  
  docker命令实战  

  linux服务器信息查看