On Wed, Mar 23, 2022 at 9:49 PM Keith Lofstrom <[email protected]> wrote:
>
> I use rotated monitors ("tallscreens") for my computers.
>
> How do I configure lightdm for a screen rotated right?
...
> Frankly, I would prefer to log in from the same text
> screen as boot, THEN have a LOGIN SCRIPT fire up Mate
> instead of a GUI greeter, but I don't know how to make
> that happen either.

-----
 
On Thu, Mar 24, 2022 at 02:55:48PM -0500, Bill Barry wrote:
> Since the switch over to systemd the process is much different, but
> here are the instructions for setting things up to boot into console
> mode
> https://ubuntuhandbook.org/index.php/2020/05/boot-ubuntu-20-04-command-console/
...
-----

Thanks Bill!  I tried their approach, which taught me the
right way to achieve my goal.  Absurdly simple; starting
with my boot screen rescaling and rotation tweaks in
/boot/grub/grub.cfg  , I simply entered the commands:

sudo systemctl set-default multi-user.target
sudo update-grub

The system now boots to a graphical login prompt.
No greeter, no mouse, no lightdm !!!

I now log in using text mode, then type startx, and my
mate desktop appears in seconds.  Or not; sometimes I
need to do system repair; text mode makes that easier.

I will create a web page on my wiki.keithl.com website
describing how to do this Real Soon Now.

----

The text login approach also seems more secure.  I can
imagine The Bad Guys creating a web page that looks just
like the generic mate-ubuntu login screen.  If I type my
password into that, I'm /powned/. 

Perhaps my white-on-black text login screen (AND SCREEN
RESOLUTION) could be faked by The Bad Guys as well, but
they would need more information about my specific setup
to do that.  Perhaps I can add a page of customized text
(error warning excerpts from syslog?) to the login prompt,
making the text login page VERY difficult to fake.

For now, I'm exactly where I wanted to be. 

And as my eyes age, I can tweak the GRUB_GFXMODE=1280x1024 
line in my /etc/grub/grub.cfg file to a lower resolution,
make the text larger, and continue to login.  I prefer
EYE CRUTCHES to eye candy.

Keith

-- 
Keith Lofstrom          [email protected]

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