下载地址
https://download.docker.com/linux/static/stable/
安装过程
解压
tar -zxf docker-20.10.0.tgz
复制到bin目录必须
cp docker/* /usr/bin/
创建docker组
groupadd docker
守护进程启动
sudo dockerd &
查看信息
docker info
设置开机启动配置先停止服务
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
ExecReload=/bin/kill -s HUP $MAINPID
LimitNOFILE=infinity
LimitNPROC=infinity
TimeoutStartSec=0
Delegate=yes
KillMode=process
Restart=on-failure
StartLimitBurst=3
StartLimitInterval=60s
Install
WantedBy=multi-user.target
设置开机启动
systemctl enable docker.service