I wanted to have smooth integration: copy/paste, auto resize of the guest, etc.
Things you need to keep in mind.
1. Run VirtualBox->Devices->Install Guest Additions
2. In Suse go to /media/VBOXADDITIONS
and run the script you need. This does not means the vbox additions are up an running
Check this with
3. As the upper command will tell you that that service is not running, you need to run
4. As that command will also not work it's time to add from Yast:
- all modules in "Development" package related to kernel
- and also all related to 'make' (yes C++ tool) tool.
5. Now run again
6. Now restart machine. It should work.