一、基礎環境
1、操作系統：CentOS 7
2、Docker版本：18.06.1
3、官方參考文檔
https://docs.docker.com/install/linux/docker-ce/binaries/#install-static-binaries
二、Docker安裝
1、解壓
tar -xvf docker-18.06.1-ce.tgz
2、將解壓出來的docker文件內容移動到 /usr/bin/ 目錄下
ls -s docker/* /usr/local/bin/
3、新增docker配置文件
vi /etc/docker/docker.jason
{
"registry-mirrors": ["https://registry.docker-cn.com"]
}
4、創建docker用戶組
groupadd docker
5、將docker注冊為service
vi /usr/lib/systemd/system/dockerd.service
將下列配置加到dockerd.service中並保存
[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/local/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.target
6、啟動
systemctl daemon-reload #重載unit配置文件
systemctl start dockerd #啟動Docker
systemctl enable dockerd.service #設置開機自啟
7、驗證
systemctl status docker #查看Docker狀態
docker -v #查看Docker版本