一、下载docker安装包
下载地址:Index of linux/static/stable/x86_64/
二、解压安装包
三、将解压的文件全都转移到/usr/bin目录下
/usr/bin是存放标准安装程序的路径之一
四、创建并编辑docker.service文件
文件目录为:/etc/systemd/system/docker.service
文件内容如下:
[Unit]
Description=Docker Application Container Engine
Documentation=https://docs.docker.com
After=network-online.target firewalld.service
Wants=network-online.target[Service]
Type=notify
# the default is not to use systemd for cgroups because the delegate issues still
# exists and systemd currently does not support the cgroup feature set required
# for containers run by docker
ExecStart=/usr/bin/dockerd -H unix:///var/run/docker.sock -H tcp://0.0.0.0:2375 --default-ulimit core=0:0
ExecReload=/bin/kill -s HUP $MAINPID
# Having non-zero Limit*s causes performance problems due to accounting overhead
# in the kernel. We recommend using cgroups to do container-local accounting.
LimitNOFILE=infinity
LimitNPROC=infinity
LimitCORE=infinity
# Uncomment TasksMax if your systemd version supports it.
# Only systemd 226 and above support this version.
#TasksMax=infinity
TimeoutStartSec=0
# set delegate yes so that systemd does not reset the cgroups of docker containers
Delegate=yes
# kill only the docker process, not all processes in the cgroup
KillMode=process
# restart the docker process if it exits prematurely
Restart=on-failure
StartLimitBurst=3
StartLimitInterval=60s[Install]
WantedBy=multi-user.target
五、启动docker
systemctl daemon-reload:重启以".service"为后缀的文件
systemctl start docker:启动docker
systemctl enable docker.service:开机自启动
六、查看docker版本信息
docker version