[rhn-users] Enterprise WS (3.0) Update

[Superfueld Freaksicle]

I'm assuming you mean to upgrade the kernel RPM package. The answer to your question is yes, but don't:

You don't need any delta packages to go from kernel-A to kernel-B. The catch is that you never want to "upgrade" your kernel. For most RPMs, upgrading is OK, and often required. For kernels, however, you need to be careful.

Upgrading your kernel will remove the old and replace it with the new. This is bad since you can't know if the new one will boot or run properly until you restart your machine. If you get problems, you're going to have to find your rescue disk.

For a kernel package, you want to INSTALL the new kernel - not upgrade. This will put the new kernel on your system right alongside your old one. After running "rpm -ivh kernel-A.B-C.rpm", you can verify this by running a "rpm -q kernel". You should see at least two kernels listed: your newly-installed kernel and any older ones you've not removed.

The rpm command will take care of editing your grub.conf file so your system will default to running the newly-installed kernel when you reboot - but you can always override this at the grub prompt if the new one is broken. You should reboot and run on your new kernel for a while before you remove your old kernel. You never know when you'll stumble on some new "feature" in the latest revision and wish you had your old one back again. It's best not to remove the old kernels until you decide the new one's a keeper.

For my own systems, I never remove old kernels until I've run out of space on my /boot partition and need to make room for a new one. Whatever schedule you adopt, when it comes time to remove the old kernel, just run "rpm -e kernel-<old-version>" (you need to specify the right version here) and you'll be rid of it forever. 

--James

George Allen Jr wrote:
> Hello all
> 
> I am trying to update from LINUX 2.4.21-4 TO 2.4.21-15. I'd like to know 
> if this can be done from a single RPM or would I have to download the 
> various deltas in order to make this happen?
> 
> In either case, would someone please provide the URL(s) necessary to do 
> this?
> 
> Thanks a bunch!
> 
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