I just hit this same issue after doing a Fedora update, however I didn't get upgraded to Fedora 13. The error message I got was: Ruby on Rails application could not be started The application has exited during startup (i.e. during the evaluation of config/environment.rb). The error message can be fo...

I don't have Munin installed (afaik), but clicking on the same link also takes me to the Amahi users page too.

What you will see will very much depend on your setup. Assuming you've got an ADSL connection, the username.yourhda.com will resolve to the IP address of your ADSL modem. Depending how you've got this configured, you may get to see the authentication page for the modem or if you have got port forwar...

As suggested, I've added this to the Wiki page.

I hit this problem too and found the following page to be useful:

http://ubuntuforums.org/archive/index.php/t-349302.html

Removing the default.keyring file and then logging out / back in again fixed the problem for me.