Cenos7镜像+Docker问题

前言

好用的镜像

阿里

curl -o /etc/yum.repos.d/Centos7-aliyun.repo https://mirrors.wlnmp.com/centos/Centos7-aliyun-x86_64.repo

科大

curl -o /etc/yum.repos.d/Centos7-ustc.repo https://mirrors.wlnmp.com/centos/Centos7-ustc-x86_64.repo

网易

curl -o /etc/yum.repos.d/Centos7-163.repo https://mirrors.wlnmp.com/centos/Centos7-163-x86_64.repo

腾讯

curl -o /etc/yum.repos.d/Centos7-tencent.repo https://mirrors.wlnmp.com/centos/Centos7-tencent-x86_64.repo

docker missing signature key

安装yum管理工具：
yum install -y yum-utils
yum添加软件源sudo yum-config-manager \--add-repo \https://mirrors.ustc.edu.cn/docker-ce/linux/centos/docker-ce.reposudo yum makecache fastsudo yum install docker-ce

密钥问题

yum install --nogpgcheck 即可