Public bug reported: Permissions in Ubuntu seem to be prganised such that brltty (the braille system) must always be started as root (sudo). Please consider adding a device type that normal users can have the appropriate permissions for to fix this.
$ brltty brltty: BRLTTY 3.7.2 brltty: Linux Screen Driver brltty: Cannot open screen device: /dev/vcsa: Permission denied brltty: cannot read screen. ** Affects: brltty (Ubuntu) Importance: Untriaged Status: Unconfirmed -- brltty must be started with sudo https://launchpad.net/bugs/58718 -- Ubuntu-accessibility mailing list Ubuntu-accessibility@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-accessibility