centos8 Cannot prepare internal mirrorlist: No URLs in mirrorlist

累积了一个春节假期的CentOS未更新,所以今天执行了一下更新操作。然后报错了Failed to download metadata for repo 'AppStream': Cannot prepare internal mirrorlist: No URLs in mirrorlist瞬间懵逼

学习 

重启服务器后Nginx端口占用的解决


CentOS8提示Failed to set locale, defaulting to C.UTF-8

在CentOS 8中执行yum update,出现报错:Failed to set locale, defaulting to C.UTF-8报错原因:没有设置正确的语言环境。

学习