update the newly created instance
sudo apt update -y
Install rtpengine dependecies
sudo apt-get install debhelper iptables-dev libcurl4-openssl-dev
libpcre3-dev libxmlrpc-core-c3-dev markdown libavfilter-dev
libavformat-dev libavresample-dev libevent-dev libglib2.0-dev libhiredis-dev
libjson-glib-dev libpcap0.8-dev libpcap-dev libssl-dev dkms module-assistant