How to fix error Failed binding to authentication address * port 1812: Address already in use freeradius

I once ran FreeRADIUS in debug mode: And I noticed the following error: Failed binding to authentication address * port 1812: Address already in use freeradius /usr/local/freeradius/etc/raddb/radiusd.conf[84]: Error binding to port for 0.0.0.0 port 1812 The error indicates that the address is already in use, so you need to stop the running FreeRADIUS process, look […]