How to see version and uptime of running FreeRadius daemon

Question

I have a FreeRadius server doing authentication for my 802.1X infra-structure, in a Debian 9.1.

How can I see what is the version and uptime of the running FreeRadius daemon?

Solution

For seeing the software version, if installed with a deb package, with dpkg:

$ dpkg -l freeradius
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name                                        Version                    Architecture               Description
+++-===========================================-==========================-==========================-===========================================================================================
ii  freeradius                                  3.0.16+git                 amd64                      high-performance and highly configurable RADIUS server

Also from the command line, you can do:

$freeradius -v
radiusd: FreeRADIUS Version 3.0.16 (git #0bd5a4cec), for host x86_64-pc-linux-gnu, built on Jul 17 2017 at 16:00:00
FreeRADIUS Version 3.0.16
Copyright (C) 1999-2017 The FreeRADIUS server project and contributors
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE
You may redistribute copies of FreeRADIUS under the terms of the
GNU General Public License
For more information about these matters, see the file named COPYRIGHT

With the debug tool radmin from FreeRadius, you can see both the version and uptime of the service:

radius2:~$ sudo radmin
radmin version 3.0.16 (git #0bd5a4cec), built on Jul 17 2017 at 16:00:00 - FreeRADIUS Server administration tool.
Copyright (C) 2008-2017 The FreeRADIUS server project and contributors.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
You may redistribute copies of FreeRADIUS under the terms of the
GNU General Public License v2.
radmin> show version
FreeRADIUS Version 3.0.16 (git #0bd5a4cec), for host x86_64-pc-linux-gnu, built on Jul 17 2017 at 16:00:00
radmin> show uptime
Up since Mon Jul 24 14:39:51 2017
radmin> exit

For radmin to work correctly, as @Arran correctly points out, you ought to have configured the control-socket functionality.

You do that with:

ln -s sites-available/control-socket sites-enabled/control-socket

Comments

[Arran Cudbard-Bell]

Remember to link in the command socket (sites-available/control-socket -> sites-enabled/control-socket)