[BRLTTY] Braille keyboard

[Paul Scott]

I recall that you may need to also run xbrlapi sense you are using Ubuntu
24. But you should able to use the keyboard to open the brltty preference
menu by space p. Another things to note, even though orca is running. You
are still not able to use the braille keyboard without xbrlapi. This might
be incorrect though, as I am not too familiar with Linux as we are moving
away from x11 etc in the newer version of the distro.

On Fri, Apr 24, 2026, 7:45 AM Lars Bjørndal <lars at lamasti.net> wrote:

> I will ask a question on behalf of an acquaintance. She's running Ubuntu
> 22.04.5 LTS with BRLTTY version 6.4, and has a Brailliant BI20X display.
> Her problem is that she isn't able to use the braille keyboard for
> input, neither in the terminal, nor in GUI. Also, she had to start
> BRLTTY manually.
>
> I told her to do `sudo systemctl enable brltty` from the terminal and
> restart.
>
> Then BRLTTY started automatically, but she is still not able to use the
> keyboard.
>
> I asked her to send me output from `brltty --version`, and here's the
> content:
>
> BRLTTY 6.4 rev BRLTTY-6.4 [https://brltty.app/]
> brltty: Log Level: none
> brltty: Messages Locale: nb_NO.UTF-8
> brltty: Messages Domain: brltty
> brltty: Messages Directory: /usr/share/locale
> brltty: Autospeak Threshold: none
> brltty: Privilege Parameter: path=
> brltty: Privilege Parameter: scfmode=
> brltty: Privilege Parameter: shell=
> brltty: Privilege Parameter: user=
> brltty: can't isolate namespaces
> brltty: executing as the invoking user: elisabeth
> brltty: can't set supplementary groups
> brltty: group not joined: 0(root)
> brltty: group not joined: 5(tty)
> brltty: group not joined: 20(dialout)
> brltty: group not joined: 29(audio)
> brltty: group not joined: 107(input)
> brltty: group not joined: 133(pulse-access)
> brltty: required capability not granted: cap_sys_admin (for injecting
> input characters typed on a braille device)
> brltty: required capability not granted: cap_sys_tty_config (for
> playing alert tunes via the built-in PC speaker)
> brltty: required capability not granted: cap_mknod (for creating
> needed but missing special device files)
> brltty: Copyright © 1995-2021 by The BRLTTY Developers
> brltty: BrlAPI Server: release 0.8.3
> brltty:    Copyright (C) 2002-2021 by Sébastien Hinderer
> <Sebastien.Hinderer at ens-lyon.org>, Samuel Thibault
> <samuel.thibault at ens-lyon.org>
>
> Do you have any idea on how she can reach her goal?
>
> Thanks, Lars
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