中标麒麟系统换yum

https://blog.csdn.net/xupengxl/article/details/89946287

解决方法：

step 1)

# cd /etc/yum.repos.d/

# vim CentOS-Base.repo

:%s/$releasever/7.4.1708/g                                ==>替换掉为真实的版本

step 2)

sed -i 's/gpgcheck=1/gpgcheck=0/g' /etc/yum.repos.d/CentOS-Base.repo

step 3)

运行  yum clean all

        yum makecache