On Thu, 1 Oct 2020 at 05:47, Gene Heskett <[email protected]> wrote:

> 1. The existing as installed screen blanker logs me out in 5 minutes

It's 10 minutes. Not that that is any better.
The automatic lock is a truly terrible thing for those of us with no
keyboard in the same building as the CNC machine.

The auto-lock is "light-locker"

I have not worked out exactly what is doing the blanking, it seems
that is it both DMPS _and_ the screensaver, but that the screensaver
defaults to blanking as no actual screensaver is installed.

The fix seems to be to create a file in etc/X11/xorg.conf.d (I called
it 10-monintor.conf) containing

-------------------8<------------------------------

# Attempt to turn off all screensavers and screen blanking.
# You don't want that on a CNC controller

Section "Extensions"
    Option      "DPMS" "Disable"
EndSection

Section "ServerFlags"
    Option "StandbyTime" "0"
    Option "SuspendTime" "0"
    Option "OffTime" "0"
    Option "BlankTime" "0"
EndSection

Section "ServerLayout"
    Identifier "ServerLayout0"
EndSection

-------------------8<------------------------------

-- 
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
lunatics."
— George Fitch, Atlanta Constitution Newspaper, 1912


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