[root@redis ~]# yum install gcc-c++ 已加載插件：product-id, refresh-packagekit, security, subscription-manager This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register. 設(shè)置安裝進(jìn)程 No package gcc-c++ available. 錯(cuò)誤：無須任何處理 錯(cuò)誤怎么解決···