我试图在Linux服务器上安装编译器

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当我尝试在Linux中安装编译器时，出现以下错误。我试图在Linux服务器上安装编译器

$ yum install -y gcc 
Loaded plugins: product-id, refresh-packagekit, rhnplugin, security, subscription- 
       : manager 
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register. 
There was an error communicating with RHN. 
RHN Satellite or RHN Classic support will be disabled. 
Error communicating with server. The message was: 
Unable to connect to the host and port specified

请帮助我我不知道现在要做什么。提前致谢。

来源

2014-08-27 ashokhein

看起来主要的问题是无法连接到红帽服务器来获取更新。这可能是互联网连接问题，或者您还没有将系统注册到红帽订阅管理。 – Jonathan 2014-08-27 12:36:44