How to find out if the openvpn process is connected to the tunnel interface or just hangs?

V

Vyacheslav Grachunov2016-07-29 22:45:56

linux

Vyacheslav Grachunov, 2016-07-29 22:45:56

How to find out if the openvpn process is connected to the tunnel interface or just hangs?
ps -ax lists 18 openvpn processes and ifconfig only lists 15 tap interfaces. So some fell off. How to find out what these processes are?
I use psutils to get python processes and netifaces to get connections.

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Alexey Cheremisin, 2016-07-30
@leahch

Openvpn, if configured correctly, has a status file for current sessions.
Add to the server config
And do at any time cat on this file

[email protected]:~# cat /var/run/openvpn-server.status
OpenVPN CLIENT LIST
Updated,Sat Jul 30 11:31:40 2016
Common Name,Real Address,Bytes Received,Bytes Sent,Connected Since
user3,10.124.228.105:42972,2117077,2327219,Tue Jul 26 13:50:13 2016
user4,10.124.105.1:49420,6284997,6730873,Tue Jul 19 04:14:12 2016
ROUTING TABLE
Virtual Address,Common Name,Real Address,Last Ref
192.168.99.10,user3,10.124.228.105:42972,Tue Jul 26 13:50:16 2016
192.168.99.6,user4,10.124.105.1:49420,Tue Jul 19 04:14:14 2016
GLOBAL STATS
Max bcast/mcast queue length,16
END
[email protected]