[Icecast] Jack trouble- cannot lock etc/passwd (Icecast/IDJC)

[Paul Martin]

On Wed, Jun 13, 2012 at 03:57:14AM -0700, Mavoy wrote:
> realtime mode, but you`re not allowed to use realtime scheduling. Your
> system has an audio group but you`re not a member of it. Please add yourself
> to the group by executing as a root: usermod -a -G audio (my username)"
> 
> I wrote this line in the terminal but all I have now is:
> usermod: cannot lock /etc/passwd try again later.

Try:

  sudo adduser $USER audio

Then log out completely and log in again.

-- 
Paul Martin <pm at nowster.me.uk>
also <pm at debian.org>