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I am setting up a production system (will be deployed to multiple devices), based on Lubuntu. The system starts X, logs in a user automatically, and runs a full screen GUI application. That's all it really does. I'm using openbox as the window manager - in production I don't really need a window manager but its useful during testing and development.

For a number of reasons that I don't want to get into here, I would like to avoid lightdm (currently in use), lvdm, or any other display managers that perform functions I'm not using.

So, I'm looking for a display manager that essentially just needs to create a local session for a predetermined user. A greeter is not necessary, remote sessions are not necessary, the ability to operate on a read-only file system (particularly, /var/lib is read-only, although /var/tmp is not) would be a major plus.

Is there a super lightweight display manager out there that just does the bare minimum necessary to create a local session for a user? Alternatively, is it possible to remove the display manager entirely and just explicitly start a local session with a window manager?

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closed as off-topic by terdon, Tog, Mokubai, tapped-out, Shakehar Oct 17 '13 at 20:21

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "Questions seeking product, service, or learning material recommendations are off-topic because they tend to become obsolete quickly. Instead, describe your situation and the specific problem you're trying to solve. Here are a few suggestions on how to properly ask this type of question." – terdon, Tog, Mokubai, tapped-out, Shakehar
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This question is off topic here, (software requests are, in general) and will soon be closed. You might want to delete it and as instead on Unix & Linux. Please don't crosspost though, if you want to ask there, delete this one first. –  terdon Oct 16 '13 at 22:11
    
Sorry, I didn't realize superuser was platform-dependent. I got an answer though, close away. :) –  Jason C Oct 16 '13 at 22:12
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It is not! Not at all! It is just that asking for software is specifically off topic here but not on Unix & Linux. Questions about *nix are very welcome here, I spend almost all my time here answering Linux questions. –  terdon Oct 16 '13 at 22:14
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1 Answer

up vote 3 down vote accepted

There is a nodm that provides auto login and is targeted for an embedded systems, kiosks and similar.

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Perfect, thanks! –  Jason C Oct 16 '13 at 22:12
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