How to enable sound in Flash on Ubuntu 6.06 LTS

Ubuntu 6.06 LTS (Dapper Drake) has an annoying problem: if you install the `flashplugin-nonfree` package you get no sound. This is documented in bug #29760.

Fortunately the fix is easy:

Step 1. Install the `alsa-oss` package:

$ sudo apt-get install alsa-oss

Step 2. Edit `/etc/firefox/firefoxrc` to match the following:

which /dev/dsp wrapper to use FIREFOX_DSP=”aoss” Note that “auto” and “esd” involve the use of esddsp, which is known to be buggy and to make Firefox unstable. See https://launchpad.net/malone/bugs/29760.

That’s it! Restart Firefox and away you go.