OpenVPN client setup for OMV

1. Update CLR:
/opt/EasyRSA-3.0.3/easyrsa gen-crl

2. Gen cleint CRT:
/opt/EasyRSA-3.0.3/easyrsa build-client-full sasha nopass

3. Cline conf:
client
verb 4
connect-retry 2 10
resolv-retry 60
dev tun
remote cheusov.ca 443 tcp-client
connect-timeout  120
comp-lzo
route-ipv6 ::/0
route 0.0.0.0 0.0.0.0 vpn_gateway
remote-cert-tls server
cipher AES-256-CBC
persist-tun
# persist-tun also enables pre resolving to avoid DNS resolve problem
preresolve
# Custom configuration options
# You are on your on own here :)
# These options found in the config file do not map to config settings:
setenv IV_PLAT_VER "27 8.1.0 arm64-v8a google bullhead Nexus 5X"
resolv-retry 60
preresolve
ifconfig-nowarn
<ca>
pki/ca.crt
</ca>
<key>
pki/private/sasha.key
</key>
<cert>
pki/issued/sasha.crt
</cert>