[Lubuntu-comms] the USB chainloader that helps other USB drives boot NEW: Changing default partition

[Nio Wiklund]

Hi Aere,

I glad that I could help you in this unexpected way :-)

Best regards
Nio

2014-01-01 18:45, Aere Greenway skrev:
> Nio:
> 
> Thank you very much for the information.  I have encountered situations
> where some USB drives boot on some machines, but not on others.
> 
> Also, as a side-note, thank you for the information, because on reading
> one of the links you provided (or was available from one of those
> links), I finally learned how to set up my GRUB configuration so it
> boots (next-time) the partition last booted.
> 
> On my primary machine, I have 10 partitions I boot from, so this is very
> useful to me.  In the past, I have had to hit the down-arrow key 11
> times to get to the partition I normally use. Occasionally, I would hit
> the wrong key (a left or right arrow), and it would boot the wrong
> partition, yielding a few choice words of frustration.
> 
> I have seen information on how to do this in the past, but I was never
> successful.
> 
> I don't remember how I got there, but the link that proved useful was:
> 
> https://help.ubuntu.com/community/Grub2/Setup
> 
> The information that proved useful (finally) was about 1/3 down the
> page, under the the heading:
> 
> /etc/default/grub
> 
> It didn't work initially.  The key information making it work, is that
> you need to do it in the partition that is currently the default (which
> probably means you also need to do it in the partition that will become
> the new default, and probably in all of them).
> 
> - Aere
> 
> On 01/01/2014 08:10 AM, Nio Wiklund wrote:
>> Hi Israel,
>>
>> The USB bootloader is meant to work like your second alternative, to
>> help booting from a USB device, that will not boot from the computer's
>> own boot menu.
>>
>> But of course, if it is installed into an internal or eSATA drive, it
>> will help booting, but that is better catered for with the '40_custom'
>> method described in the following link
>>
>> https://help.ubuntu.com/community/Installation/FromUSBStick#Chainloading
>>
>> The USB chainloader will not do the same thing as Plop, so it will be a
>> complement, not a replacement.
>>
>> Best regards
>> Nio
>>
>> 2014-01-01 15:42, Israel skrev:
>>> Can you boot computers that have no capability to boot from usb, and
>>> have a broken optical drive?
>>> Or is this mainly just to boot a USB stick that is not supported by the
>>> computer to boot from?
>>>
>>> On 01/01/2014 05:41 AM, Nio Wiklund wrote:
>>>> Good question Jörn,
>>>>
>>>> The USB chainloader works from USB.
>>>>
>>>> I know Plop and have used it to boot USB via CD in old computers. I
>>>> tried to use Plop from USB. I could make it boot and run its menu,
>>>> but I
>>>> was not able to boot another USB device from it, at least not with the
>>>> fairly modern hardware that I tested (for example professional class HP
>>>> laptops, the newest one with Intel i5).
>>>>
>>>> Under the hood the USB chainloader is a stripped system based on Ubuntu
>>>> 13.04. The grub bootloader and the boot directory is what is kept, and
>>>> the file grub.cfg is modified.
>>>>
>>>> So I would say that the USB chainloader is a complement to Plop. I'd be
>>>> happy if you can help me boot from USB with Plop and chainload into
>>>> other USB devices, because it would make it easier to have only one
>>>> tool
>>>> for these similar purposes.
>>>>
>>>> Best regards
>>>> Nio
>>>>
>>>> 2014-01-01 11:33, Joern skrev:
>>>>> What is the difference to Plop boot loader?
>>>>>
>>>>> Am 01.01.2014 um 05:36 schrieb Nio Wiklund <nio.wiklund at gmail.com>:
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> I just finished a little tool that helps boot some computers from
>>>>>> [other] USB boot drives - the Chainloader
>>>>>>
>>>>>> The chainloader is useful for middle-aged computers, for example
>>>>>> computers without a CD/DVD drive, where it can be hard to boot from a
>>>>>> USB drive, or when you want to run from a fast USB 3 drive that is
>>>>>> unwilling to boot.
>>>>>>
>>>>>> -o-
>>>>>>
>>>>>> What is new, why a new tool? Isn't it enough to be able to use
>>>>>> mkusb or
>>>>>> the other tools?
>>>>>>
>>>>>> The answer is in this tutorial 'Howto help USB boot drives'
>>>>>>
>>>>>> http://ubuntuforums.org/showthread.php?t=2196858
>>>>>>
>>>>>> -o-
>>>>>>
>>>>>> Phill, can the compressed image file be uploaded to your server?
>>>>>> Maybe
>>>>>> it is too small to have an own link or page. Maybe it can share a
>>>>>> page
>>>>>> with mkusb. What do you think?
>>>>>>
>>>>>> Best regards
>>>>>> Nio
>>>>>>
>>>>>> -- 
>>>>>> Mailing list: https://launchpad.net/~lubuntu-comms
>>>>>> Post to     : lubuntu-comms at lists.launchpad.net
>>>>>> Unsubscribe : https://launchpad.net/~lubuntu-comms
>>>>>> More help   : https://help.launchpad.net/ListHelp
>>>
>>
> 
>