Address already in use but server is not running

Mike Coles bluelip at
Mon May 28 23:37:57 CEST 2012

Can you run lsof to see what process has the port open?
On May 28, 2012 5:35 PM, "Michael Aldridge" <aldridge.mac at> wrote:

> I recently had to install debian 6.0 on one of my servers after a hard
> drive crash, and while I had freeradius running before, I can't seem to get
> it running now.
> I ran sudo apt-get install freeradius and hit enter to accept the
> additional packages, and I also installed dialup admin with the intention
> of getting to it after getting freeradius running, but now I am running
> into trouble with starting freeradius.  The install completed without
> errors, but running sudo ./freeradius -X produces the following:
> Failed binding to authentication address * port 1812: Address already in
> use
> /etc/freeradius/radiusd.conf[240]: Error binding to port for port
> 1812
> I can post the full contents of the debug dump, but this appears to be the
> only point at which an error is encountered.  I am quite sure that there is
> not an instance already running, so I don't know what else could be using
> the port.  Any ideas?
> -
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