一.問題:
centos8 yum 報錯 yum Failed to download metadata for repo ‘AppStream’
二.原因:
cd /etc/yum.repos.d
vim CentOS-Base.repo
base源地址baseurl失效
解決方案:
參考 https://developer.aliyun.com/mirror/centos?spm=a2c6h.13651102.0.0.3e221b119E38CQ 來切換源
同時可以添加EPEL (Extra Packages for Enterprise Linux)額外包,里面包含nginx這些常用包
參考 https://developer.aliyun.com/mirror/epel?spm=a2c6h.13651102.0.0.3e221b119E38CQ