[root@namenode1 html]# yum install gcc

Loaded plugins: product-id, refresh-packagekit, security, subscription-manager

This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.

http://192.168.1.139/cdh5/repodata/repomd.xml: [Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 403 Forbidden"

Trying other mirror.

Error: Cannot retrieve repository metadata (repomd.xml) for repository: cdh5. Please verify its path and try again

[root@namenode1 html]#

[root@namenode1 html]# vi /etc/yum.repos.d/hadoop.repo 

[cdh5]

name=cdh5

baseurl=http://192.168.1.139/cdh5/

gpgcheck=0

[cm5]

name=cm5

baseurl=http://192.168.1.139/cm5/

gpgcheck=0

[os-pkg]

name=os-pkg

baseurl=http://192.168.1.139/os/

gpgcheck=0

[root@namenode1 html]# chmod -Rf 777 *

[root@namenode1 html]# ll

total 12

drwxrwxrwx 5 root root 4096 Mar 20 22:09 cdh5

drwxrwxrwx 4 root root 4096 Mar 20 22:09 cm5

drwxrwxrwx 4 root root 4096 Mar 20 22:12 os