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xen-users
Re: [Xen-users] Small distro for DomU?
Hi all,
I've been playing with this issue a bit lately.
I started with debian sarge, and using cdebootstrap a typical 'standard'
install tends to be about 175MB ... far too big and memory hungry for
my requirements. No way can I get that down to the <25MB range! :)
Now I've got uclibc's buildroot working, and have just managed a
boot of a minimal rootfs.
Here are some of the more interesting stats for those interested:
# cat /proc/meminfo
MemTotal: 5868 kB
MemFree: 2904 kB
# df
Filesystem Size Used Available Use% Mounted on
/dev/hda3 7.7M 4.7M 2.6M 65% /
tmpfs 2.9M 12.0k 2.9M 0% /tmp
# uname -a
Linux uclibc 2.6.11.12-xenU #1 Tue Aug 9 12:07:52 EST 2005 i686 unknown
Time to add functionality to the new toy ;)
Marcus.
John Fairbairn wrote:
> ttylinux(which is busybox based) makes a great base distro for these
> purposes, then compile anything you need statically and switch out your
> glibc etc. use ldd to find out what needs changing. It's a pretty simple
> affair really. If you need help just send another msg and I'd be happy to
> share the basics of my particular method.
>
> HTH.
>
> John Fairbairn
>
>
>>Mark Williamson wrote:
>>
>>
>>>>Using Buildroot for uClibc to build a tiny SSH- and VNC-capable DomU
>>>>distro
>>>>is a fantastic idea.
>>>>
>>>>
>>>
>>>It'd be nice to have a standard base filesystem with these components
>>>(that's
>>>a hint to anyone with time on their hands!).
>>>
>>>
>>
>>Made for a slightly different purpose, but useful as a starting point.
>>The following script builds (from scratch) a busybox-based domU with
>>qemu (VNC enabled, no SDL).
>>
>>You can get pretty far (it turns out) with just building things
>>statically against glibc.
>>
>>http://www.cs.utexas.edu/users/aliguori/build.sh
>>
>>Regards,
>>
>>Anthony Liguori
>>
>>
>>>Cheers,
>>>Mark
>
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