I add in OpenVPN config file, a line:
status '/tmp/openvpn-status.log'
then when i opened this file i have a results:
OpenVPN CLIENT LIST
Updated,Sun Apr 9 14:23:43 2017
Common Name,Real Address,Bytes Received,Bytes Sent,Connected Since
Name_of_cert,IPaddress:port,2135021174,21680037187,Sat Apr 8 16:41:47 2017
ROUTING TABLE
Virtual Address,Common Name,Real Address,Last Ref
d8:d4:3c:6f:9c:79,Name_of_cert,IPaddress:port,Sun Apr 9 02:57:23 2017
GLOBAL STATS
Max bcast/mcast queue length,2
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