问题描述

Error: Failed to download metadata for repo ‘docker-ce-stable’: Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried

解决方案

如果你没有获取sudo权限，以下都加上sudo

cd /etc/yum.repos.d
rm -rf docker*
yum update
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo