spacebug@blackbox:~$ ps axu | grep VirtualBox
spacebug 18405  365 10.3 3964308 1691724 ?     Sl   15:07 173:26 /usr/lib/virtualbox/VirtualBox --comment Debian --startvm 6f9890ee-8931-4f68-8d79-e138a1aaa357 --no-startvm-errormsgbox
spacebug 19854  0.0  0.0  12748  2036 pts/1    S+   15:55   0:00 grep VirtualBox
spacebug@blackbox:~$ renice 19 18405
renice: failed to set priority for 18405 (process ID): Operationen inte tillåten
spacebug@blackbox:~$