请问老师，我这个报错要怎么解决呢？
Loaded plugins: fastestmirror, langpacks
http://mirrors.163.com/centos/7/os/x86_64/repodata/repomd.xml: [Errno 14] curl#6 - "Could not resolve host: mirrors.163.com; ly safe thing yum can do is fail. There are a few ways to work "fix" this:
