一、基礎環境
1、作業系統：CentOS 7.3
2、Docker版本：18.06.1
#二、Docker安裝
1、解壓縮
tar -xvf docker-18.06.1-ce.tgz
2、將解壓縮出來的docker檔案內容移到/usr/bin/ 目錄下
cp docker/* /usr/bin/
3、將docker註冊為service
vim /etc/systemd/system/docker.service
將下列配置加到docker.service中並儲存。
[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/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
4、啟動
chmod +x /etc/systemd/system/docker.service #添加文件权限并启动docker systemctl daemon-reload #重载unit配置文件 systemctl start docker #启动Docker systemctl enable docker.service #设置开机自启
5、驗證
systemctl status docker #查看Docker状态 docker -v #查看Docker版本
推薦教學：docker教學
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