centos docker安装

我们直接进到docker官网，https://hub.docker.com/editions/community/docker-ce-server-centos?tab=resources

# 移除旧版本的docker
 sudo yum remove docker \
                  docker-client \
                  docker-client-latest \
                  docker-common \
                  docker-latest \
                  docker-latest-logrotate \
                  docker-logrotate \
                  docker-engine
# 设置仓库
sudo yum install -y yum-utils
sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
# 开始安装docker
sudo yum install docker-ce docker-ce-cli containerd.io
# 启动docker
sudo systemctl start docker

docker卸载

# 卸载docker
sudo yum remove docker-ce docker-ce-cli containerd.io
# 删除所有的配置文件
sudo rm -rf /var/lib/docker