This article covers how to install and configure VNC on Debian Linux System. Also, you will learn how to connect it from Linux, MacOS and Windows local system and manage your Debian 9 server easily using a graphic interface.
VNC (Virtual Network Computing) is a technology for remote desktop sharing. VNC enables the visual desktop display of one computer to be remotely viewed and controlled over a network connection. It is similar to MSTSC on windows. It uses the Remote Frame Buffer protocol (RFB) to remotely control another computer.

To install VNC and XFCE on Debian, run the following commands:

$ apt-get update
$ apt-get install xfce4 xfce4-goodies gnome-icon-theme tightvncserver

To Create a VNC User on Debian:
1. Create a user named vnc by using this command.

$ adduser vnc
2. Install sudo by executing this command. We will need to add vnc user to sudo group.
$ apt-get install sudo
3. Now, Add vnc user to sudo group, it will give permission to vnc user to act like a root user and execute root command.
$ gpasswd -a vnc sudo
Adding user vnc to group sudo
4. switch to a vnc user for further operations.
$ su - vnc

This article covers how to install Virt-Viewer on a Linux Mint 20 system. virt-viewer is a minimal tool for displaying the graphical console of a virtual machine. The console is accessed using the VNC or SPICE protocol. The viewer can connect to remote hosts to lookup the console information and then also connect to the remote console using the same network transport.

Functions of Virt Viewer: 

  • Connect to KVM virtual machines remotely via the SPICE remote desktop protocol.
  • Automatically adjust display resolution of the KVM virtual machines.
  • Use multiple monitors for the KVM virtual machines.
  • Passthrough USB devices from your computer to the KVM virtual machines.
  • Share folders from your computer to the KVM virtual machines.

To install Virt Viewer on Linux:

1. First, update the APT package repository cache with the following command:

$ sudo apt update

2. To install Virt Viewer on Ubuntu 20.04 LTS, run the following command:

$ sudo apt install virt-viewer --no-install-recommends --no-install-suggests

Then, confirm the installation, press Y and then press <Enter>.

This article covers how to run Xrdp over Xorg protocol, which far most secure and recommended over the XVNC protocols.
Also, we covered the sessions manager that how you can manage your remote connections by tweaking its configuration parameters which sometimes come in a challenging phase.

This article covers how to install and use XRDP to securely connect to remote servers. Xrdp is an open-source implementation of the Microsoft Remote Desktop Protocol (RDP) that allows you to control a remote system graphically. 

With RDP, you can log in to the remote machine and create a real desktop session the same as if you had logged in to a local machine.

Installing Xrdp on Debian:

Xrdp package is available in the standard Debian repositories. To install it, run:

$ sudo apt install xrdp 

The service will automatically start once the installation process is complete. You can verify that the Xrdp service is running by typing:

$ sudo systemctl status xrdp

How to Configure Xrdp on Linux?

The Xrdp configuration files are stored in the /etc/xrdp directory.

Whenever you make any changes to the configuration file you need to restart the Xrdp service:

$ sudo systemctl restart xrdp

This article will guide you on the steps to set up a secured VNC server up and running on your Ubuntu 20.04 server. This will help you to manage your files, software, and settings with a user-friendly graphical interface, and you will be able to run graphical software like web browsers remotely.

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