Re: Adding configfile entry to grub.cfg

[Kevin Wilson]

Hi,

Yup, adding
menuentry 'boot from my USB key' {
configfile (usb0,msdos1)/boot/grub2/grub.cfg
}
works!

Thanks
Kevin

On Mon, Sep 14, 2015 at 1:34 PM, Arbiel (gmx) <address@hidden> wrote:
> Hi
>
> Yes, you can add entries into your grub.cfg on the SSD.
>
> The lines to add should read something like
>
> menuentry 'boot from my USB key' {
> configfile (usb0,msdos1)/boot/grub2/grub.cfg
> }
>
>
>
> 1) 40_custom
> This way, you also have to update grub
>
> ### BEGIN /etc/grub.d/40_custom ###
> # This file provides an easy way to add custom menu entries.  Simply
> type the
> # menu entries you want to add after this comment.  Be careful not to change
> # the 'exec tail' line above.
> ### END /etc/grub.d/40_custom ###
>
> 2) 41_custom
> If your grub.cfg file already contains these lines
>
> ### BEGIN /etc/grub.d/41_custom ###
> if [ -f  ${config_directory}/custom.cfg ]; then
>   source ${config_directory}/custom.cfg
> elif [ -z "${config_directory}" -a -f  $prefix/custom.cfg ]; then
>   source $prefix/custom.cfg;
> fi
> ### END /etc/grub.d/41_custom ###
>
> you only have to record the lines into the /boot/grub2/custom.cfg file.
>
> Arbiel
>
> Le 14/09/2015 09:18, Kevin Wilson a écrit :
>> Hi,
>> I have an embedded device which uses grub successfully from SSD.
>> It works fine.
>> Now, there are times when I need to install an image on that machine
>> from a USB diskOnKey.
>> I do it by
>> Pressing "C" when the device boots, which leads me to the grub command line.
>> >From there , in order to boot from USB, I type the following:
>>
>> configfile (usb0,msdos1)/boot/grub2/grub.cfg
>>
>> And then I press enter.
>>
>> I use this procedure quite frequently.
>> Is there a way in which I can add an entry to the grub.cfg on the SSD,
>> so that selecting it and pressing enter will cause the device to boot
>> from the USB diskOnKey  so I will achieve the same as typing it
>> manually and booting from the DiskOnKey ?
>>
>> Regards,
>> Kevin
>>
>> _______________________________________________
>> Help-grub mailing list
>> address@hidden
>> https://lists.gnu.org/mailman/listinfo/help-grub
>>
>
>