When I type
xlock and press return key, I am getting the following error:
Unknown mode: xlock: bad command line option "swarm"
What should I do? I just need the basic
xlock screen locking functionality.
'xlock' is trying to run the 'swarm' display mode (rather than simply blanking the screen) and is doing it wrong.
Maybe you are running
Or is it that your xlock hasn't been compiled/configured with the swarm screensaver on your system?