RHEL有时候使用自定义的YUM源是很方便的事情. yum install createrepo createrepo /your/repo/directory/ 不过由于粗心,本人在使用时遇到很郁闷的坑,错误如下: [root@localhost rpms]# yum install openssl Loaded plugins: product-id, security, subscription-manager This system is not registered to Red Ha…