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NoMachine NX is a proprietary remote desktop program which offers more features compared to VNC.
In this tutorial we will covering the process of installing and configuring NoMachine NX on Ubuntu.
Note: NoMachine NX is free for both commercial and personal use, however if you need more features and support you must purchase an Enterprise license.
Download and install the NoMachine NX package on your server. You may check for newer releases on the official site.
If you want audio support, you should install PulseAudio before installing NoMachine NX:
sudo apt-get install pulseaudio
If you are using x86_64:
wget http://download.nomachine.com/download/5.1/Linux/nomachine_5.1.9_6_amd64.deb sudo dpkg -i nomachine_5.1.9_6_amd64.deb
If you are using x86:
wget http://download.nomachine.com/download/5.1/Linux/nomachine_5.1.9_7_i386.deb sudo dpkg -i nomachine_5.1.9_7_i386.deb
Note: If you are using a firewall, you must allow incoming connections to ports 4000 (TCP) and ports from 4011 to 4999 (UDP):
sudo ufw allow 4000/tcp sudo ufw allow 4011:4999/udp
sudo iptables -A INPUT -p tcp --dport 4000 -j ACCEPT sudo iptables -A INPUT -p udp --match multiport --dports 4011:4999 -j ACCEPT
For default ports in NoMachine NX see here.
Now you can connect to your server using your NoMachine NX client.