VirtualBox on a CRUX host

For virtualization, I use VirtualBox, installed from the All distributions binary package provided by upstream (*.run). Since CRUX is a bit of an esoteric distribution, startup stuff and building of kernel modules does not happen automatically. Therefore, calling certain scripts should be done manually.

At the moment, I am using VirtualBox version 7.0.16-162802 on CRUX 3.7 with LTS kernel 6.1.90. So, executing the installer like this…:

bash VirtualBox-7.0.16-162802-Linux_amd64.run

…installs VirtualBox in /opt/VirtualBox, but returns the following errors:

install_init_script: error: unknown init type
install_init_script: error: unknown init type
install_init_script: error: unknown init type
install_init_script: error: unknown init type
addrunlevel: error: unknown init type
addrunlevel: error: unknown init type
addrunlevel: error: unknown init type
addrunlevel: error: unknown init type

So, what works for me is simply adding the following to /etc/rc.local:

# Load stuff for VirtualBox
/opt/VirtualBox/vboxdrv.sh start

That’s it.