一、基础环境
1、操作系统：CentOS 7.3
2、Docker版本：18.06.1
3、官方下载地址：download.docker.com/linux/stati… （打不开可能需要科学上网）
百度云Docker 18.06.1地址：pan.baidu.com/s/1YdN9z72Q… 密码：dvvh
4、官方参考文档：docs.docker.com/install/lin…
二、Docker安装
1、解压 tar -xvf docker-18.06.1-ce.tgz
2、将解压出来的docker文件内容移动到 /usr/bin/ 目录下
cp docker/* /usr/bin/ 3、将docker注册为service vim /etc/systemd/system/docker.service 内容如下： [Unit] Description=Docker Application Container Engine Documentation=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 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.target4、启动
chmod +x /etc/systemd/system/docker.service #添加文件权限并启动docker
systemctl daemon-reload
systemctl start docker #启动Docker
systemctl enable docker.service #设置开机自启
5、验证
systemctl status docker
#查看Docker状态 docker -v
#查看Docker版本 docker version #查看Docker版本等详细信息 docker run hello-world
#启动一个hello-world镜像容器，如果本地还没有该镜像，会自动先下载后启动
