Address already in use but server is not running

[jeff donovan]

On May 28, 2012, at 5:29 PM, Michael Aldridge 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 0.0.0.0 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?

ps aux | grep free

or

ps ax | grep radius

check for the process already running. 

kill -9 PID

then start radius in debug mode.
/usr/sbin/freeradius -X

you probably have one started manually and one from init.d, and they are arguing over port access.
-j
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