How do I select which monitor kdm will display login on?

Tim ignored_mailbox at yahoo.com.au
Thu Mar 13 12:22:20 UTC 2014


Allegedly, on or about 13 March 2014, Ian Chapman sent:
> I was having similar issues with GDM, where it would set up the order
> of the monitors incorrectly, despite what was in the X configuration
> or the desktop settings. Interestingly enough, the order was correct
> when I logged in. 

*Your* settings are loaded when you log in, they're specific to you, and
stored in your ~/.config/monitors.xml

GDM runs as the gdm user, and it can have its monitor configuration
settings set in /var/lib/gdm/.config/monitors.xml (gdm's home space
is /var/lib/gdm).

New users (ones that haven't previously configured any monitor settings
for themselves), may end up inheriting the gdm settings as they log in.
At least, that's been my experience.

I dare say that X configuration settings are defaults underneath all of
that - used if not otherwise configured, ignored once you customise your
own settings.

My experience has been that until you change the configuration, the
default is for cloned screens - all displays show the same thing,
simultaneously.  Handy for logging in without having to look for the
right monitor, but not quite so tidy if you were doing presentations.


-- 
[tim at localhost ~]$ uname -rsvp
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All mail to my mailbox is automatically deleted, there is no point
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public lists.

George Orwell's '1984' was supposed to be a warning against tyranny, not
a set of instructions for supposedly democratic governments.





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