[CentOS] Creating the symbolic links in the /boot and /boot/grub/

Wed Mar 9 18:43:40 UTC 2011
Todd Cary <todd at aristesoftware.com>

And here are the contents of grub.conf:

# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to 
this file
# NOTICE:  You have a /boot partition.  This means that
#          all kernel and initrd paths are relative to /boot/, eg.
#          root (hd0,0)
#          kernel /vmlinuz-version ro root=/dev/VolGroup00/LogVol00
#          initrd /initrd-version.img
#boot=/dev/hdc
default=0
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title CentOS (2.6.9-100.EL)
     root (hd0,0)
     kernel /vmlinuz-2.6.9-100.EL ro 
root=/dev/VolGroup00/LogVol00 rhgb quiet
     initrd /initrd-2.6.9-100.EL.img

Todd

On 3/9/2011 12:23 AM, Simon Matter wrote:
>> I inadvertently missed using the list...here are my recent messages.
> As Nico suggested, download the kernel but also grub and redhat-logos,
> like so
> wget
> http://mirrors.kernel.org/centos/4.9/updates/i386/RPMS/kernel-2.6.9-100.EL.i686.rpm
> wget
> http://mirrors.kernel.org/centos/4.9/os/i386/CentOS/RPMS/redhat-logos-1.1.26-1.centos4.4.noarch.rpm
> wget
> http://mirrors.kernel.org/centos/4.9/os/i386/CentOS/RPMS/grub-0.95-3.8.i386.rpm
>
> Then do a
>
> rpm -Uvh --replacepkgs --replacefiles kernel-2.6.9-100.EL.i686.rpm
> redhat-logos-1.1.26-1.centos4.4.noarch.rpm grub-0.95-3.8.i386.rpm
>
> And the show us the contents of 'ls -laR /boot' and 'cat /etc/grub.conf'
>
> Simon
>
>>
>> On 3/8/2011 8:39 PM, Nico Kadel-Garcia wrote:
>>> On Tue, Mar 8, 2011 at 11:31 PM, Todd Cary<todd at aristesoftware.com>
>>> wrote:
>>>> reinstall is not an option for yum.  I ran "yum install kernel" and it
>>>> completed without errors however there are no links created.
>>> Oh, dear. Can you grab the RPM and do "rpm -U -replacepkgs
>>> [kernel-whatver].rpm"? You should be able to use "yum remove" on the
>>> old kernel packages, consistent with freeing up the space, and now
>>> install your new kernel with yum.
>>>
>>>> Would this be the correct ln command for vmlinuz-2.6.9-89.35.1
>>>>
>>>> # /boot/vmlinuz-2.6.9-89.35.1 /boot/vmlinuz
>>>>
>>>> Todd
>>>>
>>>> On 3/8/2011 7:04 PM, Nico Kadel-Garcia wrote:
>>>>> On Tue, Mar 8, 2011 at 9:58 PM, Todd Cary<todd at aristesoftware.com>
>>>>> wrote:
>>>>>> I started a new thread since the original one is getting rather long.
>>>>>>
>>>>>> I have retrieved the files I deleted in /boot and /boot/grub,
>>>>>> however I need to make links for
>>>>>>
>>>>>> /boot/System.map  (System.map ->     System.map-2.6.9-89.35.1)
>>>>>> /boot/vmlinuz  (vmlinuz ->     vmlinuz-2.6.9-89.35.1)
>>>>>> /boot/grub/menu.lst (menu.lst ->     ./grub.conf)
>>>>> Instead, re-install your kernel. "yum reinstall kernel". This should
>>>>> regenerate your symlinks correctly, except possibly the grub.conf.
>>>>>
>>>>>> If it was not so important to get it correct, I would appreciate
>>>>>> the syntax for the command.  Usually I would figure it out.
>>>>>>
>>>>>> Since I have restored the files (I will double check to make sure
>>>>>> they are all there), do I need to run grub-install?
>>>>> i think yes. The old location of the boot loader is listed in
>>>>> /boot/grub/grub.conf, and should be used as the argument to that
>>>>> command. grub is much smarter than LILO used to be, but I think the
>>>>> bootstrap procedure relies on knowing details of where the fiddly bits
>>>>> of grub live on the relevant ex2 compatible filesytem.
>>>>>
>>>>>> My apologies for bothering everyone with such a dumb error on my
>>>>>> part.
>>>>>>
>>>>>> Todd
>>>>>>
>>>>>> --
>>>>>> Ariste Software
>>>>>> Petaluma, CA 94952
>>>>>>
>>>>>> http://www.aristesoftware.com
>>>>>>
>>>>>> _______________________________________________
>>>>>> CentOS mailing list
>>>>>> CentOS at centos.org
>>>>>> http://lists.centos.org/mailman/listinfo/centos
>>>>>>
>>>> --
>>>> Ariste Software
>>>> Petaluma, CA 94952
>>>>
>>>> http://www.aristesoftware.com
>>>>
>>>>
>> --
>> Ariste Software
>> Petaluma, CA 94952
>>
>> http://www.aristesoftware.com
>>
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-- 
Ariste Software
Petaluma, CA 94952

http://www.aristesoftware.com