==== Supervisor Conf with Docker ====
<code>
cat > /etc/supervisor/conf.d/badvpn-udpgw.conf <<EOF
[program:badvpn-udpgw]
command = /usr/bin/docker run --rm --name badvpn-udpgw --net=host felixonmars/archlinux badvpn-udpgw --listen-addr 127.0.0.1:7300
EOF
supervisorctl update
</code>

==== Installation (Ubuntu 14.04 or older) ====
<code>
add-apt-repository -y ppa:ambrop7/badvpn
apt update
apt install -y badvpn
</code>

==== UDP Daemon ====
<code>
badvpn-udpgw --listen-addr 127.0.0.1:7300
</code>

==== Sample Supervisor Conf ====
<code>
cat > /etc/supervisor/conf.d/badvpn-udpgw.conf <<EOF
[program:badvpn-udpgw]
command = /usr/bin/badvpn-udpgw --listen-addr 127.0.0.1:7300
EOF
supervisorctl update
</code>

References:

  * https://code.google.com/p/badvpn/wiki/Installation
  * https://code.google.com/p/badvpn/wiki/tun2socks