Running ARM8 Rpi 3b+ instance in qemu
Follow these steps
Creates a docker image from Ubuntu 20.04
- download raspios bullseye (earlier buster) arm64
- download RPI kernel source (5.10.y)
- compile kernel
- adapt fstab, cmdline, ssh
- convert to qcow2
- export kernel, pi3.dtb and distro.qcow2 (Rpi 3b+)
- It can take up to 45 minutes
Run the container and export kernel, pi3.dtb and distro.qcow2 files to dist folder
It downloads and compiles newest qemu (with aarch64) locally
You can run locally compiled qemu with necessary files to run Rpi 3b+ in command line
The distro.qcow2 file defaults to approx. It is 1.5GB, but may increase in size during use. You can take up to 4GB. To back up, just save the distro.qcow2 file.
Attention! Running export.sh, if it existed before, overwrites the distro.qcow2 file. This will reset its contents so you get a newly installed system.
After run you can ssh to rpi with ssh pi@localhost -p 2222. You can safely run apt update and apt dist-upgrade.
When you go home, use sudo shutdown now to close Rpi with safe