In this guide we use TigerVNC here as it is more secure and the new recommended VNC standard. TigerVNC makes use of encryption and is a much improved VNC server and client combo. Comparatively, TightVNC has not been updated in 8 years.
Download
Download the TigerVNC Ubuntu Release files using the following links:
Install
sudo dpkg -i tigervnc*.deb && sudo apt install -f
Create Config File
sudo nano /etc/systemd/system/vncserver@.service
Insert these contents into /etc/systemd/system/vncserver@.service.
Replace the bolded user with your own username.
[Unit] Description=Start TigerVNC Server at startup After=syslog.target network.target [Service] Type=forking User=user PIDFile=/home/user/.vnc/%H:%i.pid ExecStartPre=-/usr/bin/vncserver -kill :%i > /dev/null 2>&1 ExecStart=/usr/bin/vncserver :%i -depth 24 -geometry 1280x1024 ExecStop=/usr/bin/vncserver -kill :%i [Install] WantedBy=multi-user.target
Save the file.
Enable the service
sudo systemctl enable vncserver@1.service
Start the service
sudo systemctl start vncserver@1
Credits:
https://askubuntu.com/questions/948774/configure-tigervnc-server-to-start-with-system-in-ubuntu-gnome-16-04
https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-vnc-on-ubuntu-16-04