[BRLTTY] Brltty woes on Centos 7

[Dave Mielke]

[quoted lines by Adrian van Bloois on 2017/03/01 at 23:03 +0100]

>Single user mode is runlevel 1 as far as I know and multi-user mode is 
>runlevel 3. 

More precisely, run level 3 is multi-user mode without X and run level 5 is 
multi-user mode with X. This being said, the thinking is really entirely 
different on a system managed by systemd. The old run level scheme is only kind 
of roughly maintained for backward compatibility so that the old init scripts 
don't have to be updated all at once.

>What is important is that you give the right text table, I had 
>problems with that recently. I'm not sure what happens if you omit to specify 
>the ttb file. 

I think you really are over-configuring. It's far easier to build a general 
executable and then put your customizations in /etc/brltty.conf.

To answer your question: There's a selection precedence for all options, 
includinhg the text table. It is: command line options, boot parameters, 
environment variables, brltty.conf, configured valeus, and, finally, hopefully 
reasonably sensible internally-defined defaults.

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