[root@svmlx-exaasr-01 tmp]# yum repolist
Loaded plugins: refresh-packagekit, rhnplugin, security
This system is receiving updates from ULN.
repo id                                          repo name                                                                             status
el5_x86_64_addons                                Enterprise Linux 5 Add ons (x86_64)                                                      397
exadata_dbserver_12.1.2.1.2_x86_64_base          Exadata release 12.1.2.1.2 db server installation packages (x86_64)                      459
ol5_x86_64_latest                                Oracle Linux 5 Latest (x86_64)                                                        14,530
ol6_x86_64_UEKR3_latest                          Unbreakable Enterprise Kernel Release 3 for Oracle Linux 6 (x86_64) - Latest             369
ol6_x86_64_addons                                Oracle Linux 6 Add ons (x86_64)                                                          308
ol6_x86_64_latest                                Oracle Linux 6 Latest (x86_64)                                                        29,989
public_ol6_UEKR3_latest                          Unbreakable Enterprise Kernel Release 3 for Oracle Linux 6Server (x86_64)                369
public_ol6_latest                                Oracle Linux 6Server Latest (x86_64)                                                  29,989
repolist: 76,410
[root@svmlx-exaasr-01 tmp]#
[root@svmlx-exaasr-01 tmp]#    
[root@svmlx-exaasr-01 tmp]#
[root@svmlx-exaasr-01 tmp]# vi /etc/yum/pluginconf.d/rhnplugin.conf
[root@svmlx-exaasr-01 tmp]#
[root@svmlx-exaasr-01 tmp]# cat /etc/yum/pluginconf.d/rhnplugin.conf
[main]
enabled = 1
gpgcheck = 1
timeout = 120

# You can specify options per channel, e.g.:
#
#[rhel-i386-server-5]
#enabled = 1
#
#[some-unsigned-custom-channel]
#gpgcheck = 0

[el5_x86_64_addons]
enabled=0

[ol5_x86_64_latest]
enabled=0

[ol6_x86_64_UEKR3_latest]
enabled=0

[ol6_x86_64_addons]
enabled=0

[ol6_x86_64_latest]
enabled=0

[exadata_dbserver_12.1.2.1.2_x86_64_base]
enabled=0
[root@svmlx-exaasr-01 ~]#