Anonymous

sam@sam:~$ sudo rmmod parport
Password:
ERROR: Module parport is in use by ppdev,lp
sam@sam:~$ rmmod ppdev
ERROR: Removing 'ppdev': Operation not permitted
sam@sam:~$ sudo rmmod ppdev
sam@sam:~$ sudo rmmod lp
sam@sam:~$ sudo rmmod 1p
ERROR: Module 1p does not exist in /proc/modules
sam@sam:~$ sudo rmmod parport
sam@sam:~$ lsmod | grep parport
sam@sam:~$ KILL cupsd
bash: KILL: command not found
sam@sam:~$ killall cupsd
cupsd(4112): Operation not permitted
cupsd: no process killed
sam@sam:~$ sudo killall cupsd
sam@sam:~$