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Old 07-06-2014, 03:51 AM   #1
Mr. Alex
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Program to blank the screen (without password)


Hi LQ.org.

Are there any programs to blank the screen without a password to unlock it? I run IceWM, so no DE solution. I want to be able to lock the screen so it will be blank and to unlock it to just hit any key on keyboard. And I also need mouse to not be able to unlock screen, only keyboard.
 
Old 07-06-2014, 04:36 AM   #2
Philip Lacroix
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Hi there.

XScreenSaver is the standard screen saver software for Linux and the X server, and it is available for Arch as well:

XScreenSaver
Arch Linux Wiki: XScreenSaver

The configuration window allows to disable the password lock option, and to blank the screen instead of running a demo. Regarding the screen being unlocked by the keyboard only, I don't know how you could do that, and in fact the man page says (emphasis is mine):

Quote:
The xscreensaver program waits until the keyboard and mouse have been idle for a period, and then runs a graphics demo chosen at random. It turns off as soon as there is any mouse or keyboard activity.
[Edit] Maybe there is a workaround regarding your requirement for the mouse (this is from the man page as well):

Quote:
pointerPollTime (class Time)
When server extensions are not in use, this controls how frequently xscreensaver checks to see if the mouse position or buttons have changed. Default 5 seconds.

pointerHysteresis (class Integer)
If the mouse moves less than this-many pixels in a second, ignore it (do not consider that to be "activity.") This is so that the screen doesn't un-blank (or fail to blank) just because you bumped the desk. Default: 10 pixels.
HTH,
Philip

Last edited by Philip Lacroix; 07-06-2014 at 04:50 AM. Reason: possible workaround added
 
  


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