[教程/工具] centos7 yum报错mirrorlist.centos.org无法访问

报错日志* ~1 r( X8 u. n
Loading mirror speeds from cached hostfile Could not retrieve mirrorlist http://mirrorlist.centos.org?arch=x86_64&release=7&repo=sclo-rh error was 14: curl#6 - "Could not resolve host mirrorlist.centos.org: ; 未知的错误"
1 C  a/ j2 d6 j! K2 M原因：mirrorlist.centos.org 不再被支持& O  X  n- b/ s0 `. C; W8 O& V& h

* a' E, Q" G; g2 J# |1 i8 O! |7 B解决方法
9 S& ?/ e0 ~2 b* U8 G5 Vsudo sed -i s/mirror.centos.org/vault.centos.org/g /etc/yum.repos.d/*.repo . X' g, H) y. X5 C# f8 O0 V
sudo sed -i s/^#.*baseurl=http/baseurl=https/g /etc/yum.repos.d/*.repo
* G5 V1 M5 s+ [1 d* H- p; Vsudo sed -i s/^mirrorlist=http/#mirrorlist=https/g /etc/yum.repos.d/*.repo" ^& ]7 }/ {6 s: a! [

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