Virtualbox : phpvirtualbox, could not connect to host

Issue:
"Could not connect to host (http://127.0.0.1:18083/
Solution:
#vboxwebsrv >nul &

Issue:/sbin/rcvboxdrv: command not found
Solution:
#sudo /usr/lib/virtualbox/vboxdrv.sh setup

Source:
https://blog.tuannh.com/solved-sbinrcvboxdrv-command-not-found/