[xubuntu-devel] Problem creating a custom iso based on Xubuntu 12.04

Angelos Tzotsos gcpp.kalxas at gmail.com
Wed Aug 1 16:22:29 UTC 2012

On 08/01/2012 07:11 PM, Elizabeth Krumbach wrote:
> On Tue, Jul 31, 2012 at 10:09 AM, Angelos Tzotsos <gcpp.kalxas at gmail.com> wrote:
>> Hi all,
>> I am one of the developers of the OSGeoLive project
>> http://live.osgeo.org/en/index.html
>> We are using Xubuntu as a base to build a custom distro and for our next
>> release (due in 10 days) we have ported to 12.04 code base.
>> The problem:
>> We used to create our iso with remastersys (backup/dist methods) and we have
>> decided to switch to a new method based on the official ubuntu wiki for
>> creating a custom iso. The script for this new method is here:
>> https://gist.github.com/2838416
>> We are facing a strange behaviour in all the above methods with 12.04. After
>> installing successfully the iso on VirtualBox, during the first boot we get
>> a message about not being able to mount  /run, / ,  /tmp, /run/lock,
>> /run/shm, and finally the UUID of the hard drive. This happens with chroot
>> build method of the iso, and same with remastersys, so we think it must be
>> something not related to remastersys.
>> Any ideas about this?
>> The iso files to test are here:
>> http://aiolos.survey.ntua.gr/gisvm/6.0/
>> The alternate iso is the one not made by remastersys.
> I spoke with you briefly in channel yesterday, I'm not really a formal
> dev but didn't want to leave you hanging here.
> It looks like much of your script is very similar to many of the steps
> defined on: https://help.ubuntu.com/community/LiveCDCustomization
> Have you reviewed this to see if there are discrepancies that may be
> accounting for the failure?
> I'll give it a try this evening (west coast US) to see what I can come up with.
Hi Elizabeth,

You are right that most of the steps are from LiveCDCustomization wiki 
page. I am wondering if those are tested for 12.04 and/or Xubuntu.

After some searching in logs I think this has to do with lightdm: gvfs 
is mounted in the lightdm /var/lib folder

Looking more into this... :)


Angelos Tzotsos
Remote Sensing Laboratory
National Technical University of Athens

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