how to replace kernel on Ubuntu

NoOp glgxg at sbcglobal.net
Fri Oct 9 16:19:56 UTC 2009


On 10/09/2009 02:08 AM, loody wrote:
> Dear all:
> I try to replace the kernel under my Ubuntu.
> my questions are:
> 1. what is UUID used for? It seems replace "root=/dev/sda1"
>     is there any tool or command I have to do to getting this number?
> 2. from 2.6, we use initramfs instead of initrd, but why we still need
> to add "initrd" option in menu.lst.
> 3. is there any restriction of kernel version to replace in Ubuntu; if
> I replace my ubuntu with older version as 2.6.18, will it be ok?
> appreciate your help,
> miloody
> 

Maybe these will help:

https://help.ubuntu.com/
1. Enter 'UUID' in the search bar.
<https://help.ubuntu.com/community/UsingUUID>
2. Enter 'initrd' in the search bar. Click on 'Technical'
<http://manpages.ubuntu.com/manpages/jaunty/man7/bootparam.7.html>
Also:
http://www.gnu.org/software/grub/manual/html_node/index.html
3. Don't know.







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