1.2. 安装Docker
(1) 上传docker-19.03.5.tar安装包到/app目录下
(2) 解压docker-19.03.5.tar到当前文件夹
tar -zxvf docker-19.03.5.tar
(3) 将docker目录下所有文件复制到/usr/bin目录下
cp docker/* /usr/bin/
(4) 配置docker的systemctl指令
将如下内容写入到/etc/systemd/system/docker.service文件下
[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 --graph=/app/data/docker --storage-driver=overlay2 -H tcp://0.0.0.0:2375 -H unix://var/run/docker.sock
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
(5) 添加执行权限：chmod +x /etc/systemd/system/docker.service
(6) 查看运行状态：systemctl status docker
(7) 重载unit配置文件：systemctl daemon-reload
(8) 启动Docker：systemctl start docker
(9) 设置开机自启：systemctl enable docker.service
(10) 查看docker运行状态：systemctl status docker
(11) 查看docker版本：docker -v