On Mon, 2020-03-02 at 10:04 -0700, Greg Woods wrote:
On Mon, Mar 2, 2020 at 7:55 AM Michael J. Baars <
mjbaars1977.fedora-users(a)cyberfiber.eu> wrote:
>
> The grub boot menu appears on the primary screen. So far so good.
>
> Waiting for the login prompt, and yes, there it is...
>
>
>
> on the secondary screen :)
>
The settings from after login will only control what happens after
the X server has started. So this is useful for declaring where you
want your panels; that is the "Primary" display.
Which screen has the login prompt is the function of the greeter. In
Fedora by default that is GDM (Gnome Desktop Manager?). I looked
through a page I found searching for "GDM configuration" and didn't
immediately see anything that would allow configuration of which
screen the login prompt appears on, but I could have missed it. It's
also possible that other greeters (SDM and LDM are available) might
be able to configure this, but I didn't pursue it that far.
For the record, I have a KVM switch that allows multiple computers to
connect via VGA to my smaller "secondary" monitor, while the larger
"primary" monitor has a desktop and laptop connected to it by HDMI. I
have a desktop that has an Nvidia PCIE card with DVI and HDMI output
ports. The DVI port uses an adapter and a VGA cable to connect to the
switch. On this machine, the grub menu and the greeter login appear
on the VGA monitor. Once logged in, the panel and desktop icons
appear on the HDMI monitor, as that is what I configured in the
Display settings. The Dell laptop, on the other hand, only has a VGA
port when it is in the dock, and I connect that to the VGA monitor.
The dock also has an HDMI port as does the laptop itself. On this
machine, the grub menu and the greeter login both appear on the HDMI
monitor, as does the Gnome panel.
I use the secondary monitor without workspaces (configurable in the
tweak tool workspaces setting), which means I can put windows there
that will remain visible even when I change workspaces on the
primary, but by default it uses both monitors for each workspace.
--Greg
Hi Greg,
I remember digging into the documentation of GDM too a while ago. I
remember that a lot of the documentation seemed incomplete and the
configuration files non-responsive and that I ended up in the manual of
GTK+ much sooner than expected. In the past, things were always done
though /etc/xorg.conf. Not always as easy to configure, but it did
work, at least the command line parameter --geometry did. Nice feature,
when you want to dump system journals to a logging monitor in real-time
for example.
I remember there was something in the documentation about the login
prompt too, but it was not the problem at hand at the time and even if
it was, I haven't been able to find a single (and properly documented)
configuration file that responded to any input at all.
Mischa.
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