Every 2 Minutes cronjob

Andrew McGlashan andrew.mcglashan at affinityvision.com.au
Fri Dec 23 00:57:48 AEDT 2016

Hi David,

On 22/12/16 20:41, Morrie Wyatt via luv-main wrote:
> Hi David.
> Unfortunately it's more than just $DISPLAY that's involved.
> These days, X is a bit more cautious about who is authorised
> to access the display.
> You don't want any user of your PC (or other external users)
> to have unfettered access to your screen.

It may also be a systemd issue....

And why are your scripts in /sbin ?  Doesn't seem like the /right/
location to use, just sayin'

Maybe you would be better off running this in while loop in a terminal
that you can minimize.

#!/usr/bin/env bash

cd /home/dz/shots
while :
	/usr/bin/scrot 'scap-%Y-%m-%d-%H:%M.jpg' \
	-q 70 \
	-e 'chown dz.dz $f'
	sleep 120
) &> /tmp/scap.debug

You probably don't need the chown either... unless the session running
as someone else, in which case, there is all sorts of issues to do with
xauth as mentioned already.

Another thing you can do is have it run at login of the session by the
user's startup; if it isn't the same user that you desire to own the
screen shots.


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