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
NOTEBOOK · 慢慢写
# 系统
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