RedHat Channel Subscription

To list all available channels:

[root@ ~]# rhn-channel -L  --user=rhn_user --password=rhn_password

To subscribe to a channel (e.g. options):

[root@ ~]# rhn-channel --add --channel=rhel-x86_64-server-optional-6 --user=rhn_user --password=rhn_password

To list channel subscribed:

[root@ ~]# rhn-channel -l
rhel-x86_64-server-6
rhel-x86_64-server-optional-6

To register to RHN (do this first!): To register and subscribe in one step:

[root@ ~]# subscription-manager register --username  --password  --auto-attach

This is the old way or using a satellite server:

[root@ ~]# rhn_register