How to Check If Linux Console Screensaver Has Blanked Screen

How to check if Linux console screensaver has blanked screen

You can parse the output of xset q with DISPLAY set, but it's not pretty.

$ xset q
Keyboard Control:
  auto repeat:  on    key click percent:  0    LED mask:  00000000
  XKB indicators:
    00: Caps Lock:   off    01: Num Lock:    off    02: Scroll Lock: off
    03: Compose:     off    04: Kana:        off    05: Sleep:       off
    06: Suspend:     off    07: Mute:        off    08: Misc:        off
    09: Mail:        off    10: Charging:    off    11: Shift Lock:  off
    12: Group 2:     off    13: Mouse Keys:  off
  auto repeat delay:  250    repeat rate:  30
  auto repeating keys:  00ffffffdffffbbf
                        fadfffefffedffff
                        9fffffffffffffff
                        fff7ffffffffffff
  bell percent:  50    bell pitch:  400    bell duration:  100
Pointer Control:
  acceleration:  20/10    threshold:  4
Screen Saver:
  prefer blanking:  yes    allow exposures:  yes
  timeout:  0    cycle:  600
Colors:
  default colormap:  0x20    BlackPixel:  0    WhitePixel:  16777215
Font Path:
  /usr/share/fonts/misc,/usr/share/fonts/100dpi:unscaled,/usr/share/fonts/75dpi:unscaled,/usr/share/fonts/TTF,/usr/share/fonts/Type1,/usr/share/fonts/misc/,/usr/share/fonts/TTF/,/usr/share/fonts/Type1/,/usr/share/fonts/100dpi/,/usr/share/fonts/75dpi/,built-ins
DPMS (Energy Star):
  Standby: 1200    Suspend: 1800    Off: 0
  DPMS is Enabled
  Monitor is On
Font cache:
  Server does not have the FontCache Extension

How to have window's batch file detect when the screensaver is on?

The name of the screensaver process will vary by which screensaver is running, but it should always end in .scr.

tasklist | find ".scr" >nul
if %errorlevel% EQU 0 (
    echo Screensaver is running
) else (
    echo Screensaver is not running
)

The default Windows 10 screensavers have the following process names:

3D Text - ssText3d.scr
Blank   - scrnsave.scr
Bubbles - Bubbles.scr
Mystify - Mystify.scr
Photos  - PhotoScreensaver.scr
Ribbons - Ribbons.scr

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When the computer is locked, the process LogonUI.exe runs.

tasklist | find "LogonUI.exe"
if %errorlevel% EQU 0 (
    echo Computer is locked
) else (
    echo Computer is unlocked
)

How do I disable the GNOME desktop screen lock?

The screen saver can also lock the screen. Uncheck either 'Activate screensaver when computer is idle' or 'Lock screen when screensaver is active' or both in screensaver preferences. From commandline use gnome-screensaver-preferences or goto 'System->Preferences->Screensaver'.

I think the corresponding keys (for use with gconftool-2) are /apps/gnome-screensaver/idle_activation_enabled and /apps/gnome-screensaver/lock_enabled.

HTH

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