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## <a name="Hurd_on_QEMU"> </a> Hurd on QEMU
I will assume you have already installed [QEMU](http://fabrice.bellard.free.fr/qemu/).
You may need the [floppy.img](http://24.109.97.177:57777/floppy.img) that I use. It is from the debian grub boot disk package.
The version of [lomount](http://24.109.97.177:57777/lomount.tar.gz) that I use.
First off use `qemu-img` to create a disk image. I set mine to 2 gigabytes.
# qemu-img create hd0.img 2G
Now you will need a cdrom image or an install CD. I will use debian/hurd K8 in this example. I use a floppy image with grub on it to boot the system, after im done installing. The first time you run it you'll want to use `-boot d` to boot off the cdrom.
# qemu -hda hd0.img -cdrom debian-K8-hurd-i386-CD1.iso -fda floppy.img -boot d
Now at his point do the regular install using `hd0` as your harddrive. Partition it and install the base system. Instead of rebooting, just stop QEMU (it'll keep booting off the cdrom).
**Important:** Debian K8's gnumach will not boot in QEMU unless you use its `-isa` command line option.
You'll have to mount your disk image, I use a program called lomount to do this. Then copy the new kernel onto the partition. You could also use mount instead of using lomount if you know the correct offset.
# mount -o loop,offset=OFFSET hd0.img /mnt/iso
I personally use lomount cause its easier.
# lomount -diskimage hd0.img -partition 1 /mnt/iso
# rm /mnt/iso/boot/gnumach.gz
# cp gnumach.gz /mnt/iso/boot
# umount /mnt/iso
Now run your image with floppy booting and finish the install (`./native-install` .. etc)
# qemu -hda hd0.img -cdrom debian-K8-hurd-i386-CD1.iso -fda floppy.img -boot a
So far I haven't been able to get networking going, it seems as if gnumach is not finding the ethernet device, although I haven't really looked into it that far.
-- [[Main/AndrewResch]] - 23 Feb 2005
Readers may be interested in [[Hurd/QemuImageForL4]] too.
-- [[Main/OgnyanKulev]] - 23 Feb 2005
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