Use a custom operating system

How to set up and use a custom operating system as a boot and/or disk image.
The Pi 1 and Pi 2 modes support the use of different Operating Systems, E.g Raspbian, and possibly ArchLinuxARM.

Please note that for the Pi 1 and Pi 2, disk images from 2015 and 2012 have been tested. However, there is an experimental version from 2016, available for download here.
Some disk images may not work; it is recommended that the provided disk images are used.


Start by clicking on "Set up boot disk", or "Configure disk" in the Config menu item.


Select "use a custom operating system"

Download and install OS X FUSE (
https://osxfuse.github.io/), or use Paragon-Software's ExtFS for Mac OS X, which is much more polished.
Once FUSE is installed;
1. Mount your boot-disk image (with FUSE)
2. Open the drive that is not 'boot' (probably 'root').
3. Within the folder from step 3, open folder 'etc', and open text file 'ld.so.preload' with TextEdit.
4. Remove the first line in the file (there should only be one line), or comment it out.

For the Pi 1, you will need to do additional modifications to the disk image;
1. Mount the disk image (with FUSE)
2. Go to 'etc' and then within, 'udev'.
3. Create a new file, '90-qemu.rules'
4. Copy the following text into the file. (no spacing, only newline)
KERNEL=="sda", SYMLINK+="mmcblk0"
KERNEL=="sda?", SYMLINK+="mmcblk0p%n"
KERNEL=="sda2", SYMLINK+="root"


Once the images have been modifed, and unmounted (removed from desktop), click on "Modify".


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