sudo passwd root
apt-get update
apt-get install libssl-dev libevent-dev libpq-dev mysql-client libmysqlclient-dev libhiredis-dev make -y
apt-get install gdebi-core -y
apt-get install sqlite libsqlite3-dev -y
git clone https://github.com/coturn/coturn
cd coturn
./configure --prefix=/usr/local/coturn
make
make install
listening-port=3478
external-ip=49.232.89.57
user=codeboy:helloworld
realm=stun.l.supercodeboy.com
视频地址：https://edu.csdn.net/course/detail/27062/353106?pre_view=1
