Re: [uml-user] How to create UML file system

[Flavio <fbc...@gm...>]

Hi again,

This is very easy in case you want to install debian based distributions,
such as ubuntu, but I am wondering about doing the same for other distributions.
For example, I would like to virtualize Asterisk Now.
Have you got any suggestion?

Flavio

2009/6/20 Leonid Chaichenets <cha...@in...>:
> Hey,
>
> On Sat, Jun 20, 2009 at 09:42:04PM +0530, kanishk rastogi wrote:
>> I wanted to use ubuntu 8.04 in my uml machine.
>> How do i create a filesystem image with ubuntu 8.04 installed...
>
> assuming that you already have ubuntu or debian on you host
> machine, follow these steps:
>
> 1. Create an empty filesystem image:
> dd if=/dev/zero of=<image_file.bin> bs=1024 count=<image size in kB>
> (Minimal 8.04 installation needs about 200MB)
>
> 2. Format the image with a filesystem of your choice (here ext3):
> mkfs.ext3 <image_file.bin>
> (You will be indicated, that the image file is not a block special
> device, do proceed anyway.)
>
> 3. Mount the image file:
> sudo mount <image_file.bin> <mount_point_of_your_choice> -o loop
> (Obviously you must be allowed to use sudo...)
>
> 4. Install debootstrap on your host system:
> sudo aptitude install debootstrap
>
> 5. Install ubuntu into the image filesystem:
> sudo debootstrap hardy <mount_point_as_above>
>
> 6. Copy uml kernel modules into the image filesystem:
> sudo cp -a <uml_modules_dir> <mount_point_as_above>/lib/modules/
>
> 7. Unmount the image file
> sudo umount <mount_point_as_above>
>
> 8. Finished! Test the image:
> <uml_binary> ubda=<image_file.bin>
>
> --
> Best Regards,
> Leonid Chaichenets.
>
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