Booting Custom Kernel

[Sudip Mukherjee]

On Mon, Jun 9, 2014 at 4:57 PM, priyaranjan <priyaranjan45678 at gmail.com>
wrote:

> Dipanjan,
>
> I hope the steps remains same even though if we have an windows OS in the
> same machine. Please confirm.
>
> Regards.
> Priyaranjan
>
> On Mon, Jun 9, 2014 at 9:23 AM, Dipanjan Das <mail.dipanjan.das at gmail.com>
> wrote:
>
>>
>> Dear Arindam,
>>
>> What I understand is, your system has two Ubuntu 12.04 installations side
>> by side. Are you using any one of those two to compile the 2.6 kernel? If
>> so, then executing "*sudo make install*" will copy the kernel vmlinux,
>> initrd and System map files to /boot directory and trigger an "
>> *update-grub*" to rebuild grub menu. Your new kernel should appear
>> afterwards. May be you are not being able to see the kernel listing because
>> of having a ZERO timeout in GRUB menu which is causing it to boot to the
>> default one directly. Make sure it is not the case.
>>
>>
>> On 6 June 2014 00:34, Arindam Pal <palarindam1991 at gmail.com> wrote:
>>
>>> Dear Sir,
>>>             I am currently trying to boot a custom kernel from source.
>>> 2.6.61.32. and tried to replace the kernel of an Ubuntu 12.04 LTS with
>>> kernel 3.11.X.Y. That computer also has an another Ubuntu installation
>>> 12.04 with same kernel as that of the another Ubuntu installation.
>>>             Now , when I boot the machine and try to boot with the 2.6
>>> kernel, I can't do that and Grub is not even mentioning that particular
>>> version of the kernel. If any help about this issue is possible , please
>>> drop me a mail.
>>>
>>> Regards,
>>> Arindam Pal
>>>
>>
Steps are same for linux - windows  on same system.
If grub is not showing the menu , then check the file /etc/default/grub ,
there will be an entry for GRUB_HIDDEN_TIMEOUT=0 . If it is not commented ,
then comment it and try again ...
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