yum安装httpd时出错，提示Nopackagehttpdavailable.

[root@web local]# yum install httpd
Loaded plugins: product-id, security, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
Bad id for repo: rhel local, byte = 4
Setting up Install Process
No package httpd available.
Error: Nothing to do
这种情况该如何解决
[root@web local]# more /etc/yum.repos.d/rhel-source.repo
[rhel local]
name= local
baseurl:file:///media/local
enabled=1
gpgcheck=0

系统没有注册，YUM不可用。

yum仓库问题。 #yum -y update [root@malu2 yum.repos.d]# yum search vim Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: mirror.hosting90.cz * extras: mirror.hosting90.cz * updates: mirror.hosting90.cz vim-X11.x86_64 : The VIM version of the vi editor for the X Window System. vim-common.x86_64 : The common files needed by any version of the VIM editor. vim-enhanced.x86_64 : A version of the VIM editor which includes recent : enhancements. vim-minimal.x86_64 : A minimal version of the VIM editor.