boo@ghost:~$ killall pulseaudio
pulseaudio(9576): Operation not permitted
pulseaudio: no process found
boo@ghost:~$ ps -ef | grep pulseaudio
root      9576  1621  0 16:16 ?        00:00:00 pulseaudio -v -D
boo       9816  3510  0 16:22 pts/0    00:00:00 grep --color=auto pulseaudio
boo@ghost:~$ sudo killall pulseaudio
boo@ghost:~$ ps -ef | grep pulseaudio
boo       9825  3510  0 16:22 pts/0    00:00:00 grep --color=auto pulseaudio
boo@ghost:~$ sudo rm -rf /home/boo/.config/pulse/
boo@ghost:~$ pulseaudio -v -D
E: [pulseaudio] main.c: Daemon startup failed.
boo@ghost:~$