1.先到官网下载镜像

2.解压docker

tar -xvf docker-20.10.1.tgz 

3.复制docker到user/bin目录

cp docker/* /usr/bin

4.配置docker服务(没有docker.service的话创建一个)

/etc/systemd/system/docker.service

5.添加配置

# 添加
[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

6.赋执行权限

chmod +x /etc/systemd/system/docker.service

7.重新加载 systemd 守护进程配置文件

systemctl daemon-reload

8.启动docker

systemctl start docker

9.设置开机自启动

systemctl enable docker.service

10.查看docker状态

systemctl status docker

11.重启docker

systemctl restart docker