[BRLTTY] BRLTTY under Chrome OS / Crostini

[Daniel Dalton]

Hello,

Crostini is a Linux virtual machine that runs on Chrome books.

I recently discovered that Crostini now supports sharing my USB Braille
display with the virtual machine which means in theory BRLTTY installed
within the Linux VM can access it.

I run brltty from the shell and see the brltty version on the display
followed by "no screen". I see the following error which I guess is not
unexpected because Crostini may have some differences to a full version of
Linux:

BRLTTY 6.6 rev BRLTTY-6.6-116-gf7572386 [https://brltty.app/]
brltty: executing as the invoking user: root
brltty: cannot open /proc/sys/kernel/modprobe: No such file or directory
brltty: command not found: modprobe
brltty: kernel module not installed: pcspkr
brltty: cannot open /proc/sys/kernel/modprobe: No such file or directory
brltty: command not found: modprobe
brltty: kernel module not installed: input

Then I was thinking maybe I could run screen first and use the BRLTTY
screen driver to get around this. I patched and built screen and also built
and installed BRLTTY.

I ran "screen" from the shell and then "      brltty -x sc", but got
similar errors as above.

Any thoughts on how hard it might be to get BRLTTY running under Crostini
at least using screen would be fine if that is the simplest way?

Thanks,
Daniel
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