Ubuntu – Power management hook for running X11 scripts on wake

d-buslinuxpower-managementUbuntux11

Earlier I asked a similar question, but that one was about running system-level scripts.

I have a script that runs a series of xinput commands in order to enable two-finger scrolling on my touchpad. It has to be re-run every time the computer sleeps and wakes up again, and it has to be run from within the X11 session. How do I trigger a script to be run on my X11 desktop when the computer wakes up?

P.S. I suspect there's a way to do this with DBUS, but I' m fuzzy on the specifics. Maybe someone with stronger DBUS-fu could point me in the right direction.

Best Answer

If you have gnome-control-center installed, run gnome-mouse-properties and visit Touchpad tab and click on Two-finger scrolling:

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It works very well, and across wake-ups too. So, unless you are using your scripts for something else too, throw them away :)

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put it in /etc/apm/resume.d/ to run on wake up

Linux – Display power management in console

You can change that with setterm -blank X (X is the number of minutes). From man setterm:

-blank [0-60|force|poke] (virtual consoles only)
       Sets the interval of inactivity, in minutes,  after  which  the
       screen  will be automatically blanked (using APM if available).
       Without an argument, gets the blank status  (returns  which  vt
       was blanked or zero for unblanked vt).

       The force option keeps screen blank even if a key is pressed.

       The poke option unblank the screen.

Alternatively you can set the kernel parameter consoleblank=Y (Y being seconds here). consoleblank=0 disables blanking.

Best Answer

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