系统：Centos-8Linux master 4.18.0-348.7.1.el8_5.x86_64 #1 SMP Wed Dec 22 13:25:12 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux1.更换yum 源关于Centos-8更换yum源方式请查看我以前文章--点击前往>>2.安装nfs-…