参考链接https://www.cnblogs.com/wdjsbk/p/9629931.html
换yum源后,仍然是未注册,尝试了这个后配好的
配置阿里云yum源
1.备份你的原镜像文件,以免出错后可以恢复
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
2.下载新的CentOS-Base.repo 到/etc/yum.repos.d/
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
3.我们需要进入CentOS-Base.repo文件 vi CentOS-Base.repo
修改文件中的baseurl地址
修改前:
修改后:
方便复制:
baseurl=http://mirrors.aliyun.com/centos/7/os/x86_64/
http://mirrors.aliyuncs.com/centos/7/os/x86_64/
http://mirrors.cloud.aliyuncs.com/centos/7/os/x86_64/
baseurl=http://mirrors.aliyun.com/centos/7/updates/x86_64/
http://mirrors.aliyuncs.com/centos/7/updates/x86_64/
http://mirrors.cloud.aliyuncs.com/centos/7/updates/x86_64/
baseurl=http://mirrors.aliyun.com/centos/7/extras/x86_ 64/
http: //mirrors.aliyuncs.com/centos/7/extras/x86_ 64/
http: //mirrors.cloud.aliyuncs.com/centos/7/extras/x86_ 64/
baseurl=http://mirrors.aliyun.com/centos/7/centosplus/x86_ 64/
http: //mirrors.aliyuncs.com/centos/7/centosplus/x86_ 64/
http: //mirrors.cloud.aliyuncs.com/centos/7/centosplus/x86_ 64/
baseurl=http: //mirrors.aliyun.com/ centos/7/contrib/ x86_64/
http: //mirrors.aliyuncs.com/centos/7/contrib/x86_64/
http: //mirrors.cloud. aliyuncs.com/centos/7/contrib/x86_ 64/
4.清楚原有yum缓存 yum clean all
5.生成缓存yum makecache
然后就可以了