centos7安装docker
安装所需软件包
yum install -y yum-utils device-mapper-persistent-data lvm2
添加下载仓库
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
列出并排序您存储库中可用的版本
yum list docker-ce --showduplicates | sort -r
安装Docker Engine-Community 和 containerd
yum install docker-ce-20.10.6 docker-ce-cli-20.10.6 containerd.io(指定版本)
yum install docker-ce docker-ce-cli containerd.io(最新版本)
启动docker
systemctl start docker
卸载docker
yum remove docker-ce
删除镜像、容器、配置文件等内容
rm -rf /var/lib/docker
docker-compose 安装
curl -L https://github.com/docker/compose/releases/download/1.25.4/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose
docker-compose version
chmod +x /usr/local/bin/docker-compose
docker-compose version