]# uname -a Linux 192.168.248.130 3.10.0-1062.el7.x86_64 #1 SMP Wed Aug 7 18:08:02 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux ]# cat /etc/redhat-release CentOS Linux release 7.7.1908 (Core)
https://download.docker.com/linux/static/stable/x86_64/docker-20.10.0.tgz #docker官方镜像 https://mirrors.tuna.tsinghua.edu.cn/docker-ce/linux/static/stable/x86_64/docker-20.10.0.tgz #清华大学镜像 https://mirrors.aliyun.com/docker-ce/linux/static/stable/x86_64/docker-20.10.0.tgz #阿里镜像
]# tar zvfx ./docker-20.10.0.tgz -C /usr/local/
]# cp /usr/local/docker/* /usr/bin/
]# vim /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 ]# chmod +x /etc/systemd/system/docker.service #给脚本加可执行权限 ]# systemctl daemon-reload #重新加载服务的配置文件
]# systemctl start docker.service #启动docker服务 ]# systemctl enable docker.service #开机自启 ]# systemctl status docker.service #查看Docker状态 ]# systemctl stop docker.service #关闭docker ]# systemctl restart docker.service #重启docker
]# docker version #显示Docker版本信息 ]# docker info #显示docker信息详情
]# uname -a Linux 192.168.248.130 3.10.0-1062.el7.x86_64 #1 SMP Wed Aug 7 18:08:02 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux ]# cat /etc/redhat-release CentOS Linux release 7.7.1908 (Core)
https://download.docker.com/linux/centos/docker-ce.repo #docker官方的的centos的repo源
https://mirrors.tuna.tsinghua.edu.cn/docker-ce/linux/centos/docker-ce.repo #清华大学的centos的repo源，注意此源并指向的是官方源
:%s@https://download.docker.com@https://mirrors.tuna.tsinghua.edu.cn/docker-ce@ #手动修改镜像指向
https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo #阿里的的centos的repo源
]# cd /etc/yum.repos.d/ ]# wget https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
]# yum install docker-ce-20.10.0
注意，centos7镜像仓库extras中有docker镜像(名为：docker，版本：1.13.1)
]# systemctl start docker.service #启动docker服务 ]# systemctl enable docker.service #开机自启 ]# systemctl status docker.service #查看Docker状态 ]# systemctl stop docker.service #关闭docker ]# systemctl restart docker.service #重启docker
]# docker version #显示Docker版本信息 ]# docker info #显示docker信息详情
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原文：https://www.cnblogs.com/maiblogs/p/15202206.html