[Ltsp-discuss] Forcing VGA output

[Rolf-Werner Eilert]

Thinking over my experiments to get my Intel NUC going, I remembered
that when connecting it to an Edubuntu server, it failed to show the
graphics screen and only displayed a blinking cursor instead. The TTYs
were running, however, so we can presume everything else was running fine.

The NUC has an analogue and an HDMI output. Lacking a monitor with HDMI,
I had connected it to the VGA output.

So, could the blinking cursor on the VGA port mean that it simply
switched to digital?

Where and how would I have to tweak the client graphics output to force
it to use the analogue port?

Regards
Rolf

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[Alkis Georgopoulos]

Post by Rolf-Werner Eilert
Thinking over my experiments to get my Intel NUC going, I remembered
that when connecting it to an Edubuntu server, it failed to show the
graphics screen and only displayed a blinking cursor instead. The TTYs
were running, however, so we can presume everything else was running fine.
The NUC has an analogue and an HDMI output. Lacking a monitor with HDMI,
I had connected it to the VGA output.
So, could the blinking cursor on the VGA port mean that it simply
switched to digital?
Where and how would I have to tweak the client graphics output to force
it to use the analogue port?

In general, the best tool to troubleshoot LTSP clients is epoptes.
Check epoptes.org for installation instructions.

So then from epoptes, right click the client, select execute > open
terminal > root locally,
and at that terminal type "xrandr" and paste the output here, so that we
see all the available outputs, the modes etc.

Based on the xrandr output you'll provide, we'll be able to tell you
what XRANDR_COMMAND_0 to use in lts.conf.

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For additional LTSP

[Rolf-Werner Eilert]

Thanks a lot for your quick response, Alkis.

I started the Edubuntu 14.04 life DVD, started LTSP and connected to the
client. After loading, it shows the blinking cursor as described.

I pressed Ctrl+Alt+F1 and got the prompt for tty1, but how to login
here? Are there standard passwords for the live DVD and where can I find
them?

Post by Alkis Georgopoulos
In general, the best tool to troubleshoot LTSP clients is epoptes.
Check epoptes.org for installation instructions.

Epoptes is already there. But when I want to start it, I get "User
edubuntu must be member of the epoptes group to start epoptes". Don't
know where to add it to the group, or what else can I do here?

The only help page I found was
https://www.edubuntu.org/documentation/ltsp-live, but it doesn't help me
any further.

Sorry if my questions seem too simple, but I have no experience at all
with Edubuntu live DVD...

Regards
Rolf

[Alkis Georgopoulos]

Post by Rolf-Werner Eilert
I started the Edubuntu 14.04 life DVD, started LTSP and connected to the
client. After loading, it shows the blinking cursor as described.

No need to use a live CD (especially one like edubuntu which is no
longer developed), use your real ltsp installation.
AFAIK openSUSE does provide epoptes packages, and cyberorg had some
documentation somewhere.

Post by Rolf-Werner Eilert
I pressed Ctrl+Alt+F1 and got the prompt for tty1, but how to login
here? Are there standard passwords for the live DVD and where can I find
them?

The tty won't provide you with access to Xorg, so xrandr won't work
there, that's one of the reasons I propose epoptes for troubleshooting.