email:
date: 2018-02-23T11:22-05:00
slug: 0md
author: THH

You may change :  
ca /etc/openvpn/YOURSERVER/keys/ca.crt  
cert /etc/openvpn/YOURSERVER/keys/server.crt  
key /etc/openvpn/YOURSERVER/keys/server.key # This file should be kept secret  
dh /etc/openvpn/YOURSERVER/keys/dh-4096.pem  
tls-auth /etc/openvpn/YOURSERVER/keys/ta.key 0 # This file is secret  

to:  
ca /etc/openvpn/${YOURSERVER}/keys/ca.crt  
cert /etc/openvpn/${YOURSERVER}/keys/${YOURSERVER}.crt  
key /etc/openvpn/${YOURSERVER}/keys/${YOURSERVER}.key # This file should be kept secret  
dh /etc/openvpn/${YOURSERVER}/keys/dh-4096.pem  
tls-auth /etc/openvpn/${YOURSERVER}/keys/ta.key 0 # This file is secret  

thanks for this post 