实际上指的是 redhat-release 这个RPM包。所谓"distroverpkg=redhat-release"的意思,其实是将 $releasever 设置为 redhat-release 这个RPM包的版本号 #在CentOS7.9上 [root@test1 ~]# rpm -qa | grep centos-release # 执行rpm -qa | grep redhat-release时无结果 centos-release-7-9.2009.0.el7.centos.x86...