camel@zeus:~$ sudo -u vbox /usr/bin/VBoxManage list runningvms
/usr/bin/VBoxManage: 35: /usr/bin/VBoxManage: lsmod: Permission denied
/usr/bin/VBoxManage: 35: /usr/bin/VBoxManage: grep: Permission denied
/usr/bin/VBoxManage: 1: /usr/bin/VBoxManage: uname: Permission denied
/usr/bin/VBoxManage: 36: /usr/bin/VBoxManage: cat: Permission denied
/usr/bin/VBoxManage: 1: /usr/bin/VBoxManage: grep: Permission denied
/usr/bin/VBoxManage: 1: /usr/bin/VBoxManage: whoami: Permission denied
/usr/bin/VBoxManage: 1: /usr/bin/VBoxManage: awk: Permission denied
/usr/bin/VBoxManage: 1: /usr/bin/VBoxManage: ps: Permission denied
/usr/bin/VBoxManage: 1: /usr/bin/VBoxManage: basename: Permission denied
Unknown application -