$ sudo apt install openssl openssl-devel openssl-libs libevent libevent-devel
    ...

$ cd turnserver-3.2.3.95/
$ ./configure
    ...
$ sudo make && sudo make install
    ...

$ make
g++ multiple_test.cpp -o test
    ...

$ make install
pip3 install numpy
    ...
pip3 install matplotlib
    ...

$ ./test -h
Usage: ./test [Flags] [options]
Flags:
           -h <help>       Show the usage of program 'test'.
           -L <license>    Show the license.
Options:
           -t <total>      Total number of connection.
           -m <number>     Number of clients per connection.
           -n <number>     Number of messages to send (default: 5) per client.
           -I <number>     Message length.
           -e <ip>         Peer address.
           -A <ip>         TURN server address.
           -f <folder>     A new folder to store data (default: yy-mm-dd/).
           -c <execute>    Direction of the executable file (default: ./turnutils_uclient).
           -s <sleep>      Rand (10 ~ 20) * s as time of sleep after socket error (default: 10 s).
    ...

$ ./turnserver -h
Usage: turnserver [options]
Options:
 -d, --listening-device	<device-name>		Listener interface device (NOT RECOMMENDED. Optional, Linux only).
 -p, --listening-port		<port>		TURN listener port (Default: 3478).
						Note: actually, TLS & DTLS sessions can connect to the "plain" TCP & UDP port(s), too,
						if allowed by configuration.
 --tls-listening-port		<port>		TURN listener port for TLS & DTLS listeners
						(Default: 5349).
						Note: actually, "plain" TCP & UDP sessions can connect to the TLS & DTLS port(s), too,
						if allowed by configuration. The TURN server
    ...

$ ifconfig
wlp2s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.17.8  netmask 255.255.248.0  broadcast 192.168.23.255
        inet6 fe80::3536:4696:62d0:5faa  prefixlen 64  scopeid 0x20<link>
        ether a0:c5:89:fd:14:de  txqueuelen 1000  (Ethernet)
        RX packets 427877  bytes 51943409 (51.9 MB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 12891  bytes 3270299 (3.2 MB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

$ make server

$ make peer         

$ make peer