rhn_register that will register your server over at RHN.
Well if you want to upgrade your kernel… you’ll have to edit the config to NOT skip the kernel
and then type C and hit enter
and then hit enter again
that will update the packages your server to reflect the packages available to update over at RH.
and it will install any updates that are available
But remember you’ll have to setup an account over at Red Hat Network — if you haven’t already, type rhn_register, and that will register your server over at RHN.
And that’s it!