catalog

Caption:

Yum installation error description:

Solution, update Yum source:

Re install, problem solved:

Caption:

After installing centos7, sometimes Yum is not up-to-date. It’s better to update the yum source after installing the system. Since the yum source was not updated after installing the operating system, the following error occurred today.

Yum installation error description:

Solution, update Yum source:

yum -y update 

Re install, problem solved: