1操作过程
wget https://download.docker.com/linux/static/stable/x86_64/docker-19.03.11.tgz
tar xf docker-19.03.11.tgz
mv docker /application/
cd /application/
cp docker/* /usr/bin/
vim /etc/systemd/system/docker.service
chmod +x /etc/systemd/system/docker.service
systemctl daemon-reload
systemctl enable docker.service
systemctl start docker
systemctl status docker
1配置systemctl工具代码如下：
[root@56laiyue /application]#cat /etc/systemd/system/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
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
