Old Kernels . . .(never die!)
andremangan at gmail.com
Thu Jan 1 21:57:16 GMT 2009
2009/1/2 The Wassermans <dwass at optusnet.com.au>
> I am running Ubuntu 8.04. It boots up on Kernel version 22.
Hello Dave and a Happy New Year to you too,
However, when booting up I am presented with several lines relating to
> older Kernel versions and their respective "recovery mode". Obviously
> automatically saved as updates are installed.
> I read somewhere that old versions should be removed as they slow down
> the booting process. Though I don't really have any complaint about
> what seems to me to be a quick bootup anyway. It's just that I don't
> like all those lines of information in my face.
> So I have some questions please:
> 1. What is the purpose of storing the old kernel versions?
In case a new kernel deactivates one of your hardware devices, you can boot
with a previous working kernel.
2. Any reason why I should not delete the oldies? (And/or maybe
justsave the last superseded one?)
You can delete if you know which one you want to delete. I always keep two.
3. How would I go about deleting them?
You can either open the boot menu (sudo gedit /boot/grub/menu.lst) and alter
the number of displayed kernels to "2" rather than the default of "All"
(this will not remove anything but merely remove them from display) or you
can install-StartUp Manager (sudo apt-get install startupmanager) which will
give you a GUI.
While you are there, in either method, you can also shorten the boot delay
time from the default 10 seconds to (say) 3 seconds.
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