Install VNC Server on Fedora 36

This article will take you through how to install VNC Server on Fedora 36. Virtual Network Computing abbreviated as VNC is a graphical desktop sharing solution that enables you to control a distant computer by sending keyboard, mouse, and touch events to the VNC server.

To operate another machine remotely, it makes use of the Remote Frame Buffer protocol (RFB). Through a network, it transmits graphical screen updates along with keyboard and mouse input from one system to another.

How to Install VNC Server on Fedora 36

• Start by installing a desktop environment using the command below in case you are using Fedora sever. For Fedora desktop users ignore.

sudo dnf install @xfce-desktop-environment

• There are many types of VNC servers, in this example, we will use TigerVNC. Run the following command to install TigerVNC on Fedora 36.

sudo dnf install tigervnc-server -y

Sample output

Last metadata expiration check: 0:57:23 ago on Wed 29 Jun 2022 09:34:44 PM EAT.
Dependencies resolved.
==============================================================================
 Package                Architecture Version              Repository     Size
==============================================================================
Installing:
 tigervnc-server        x86_64       1.12.0-6.fc36        updates       259 k
Installing dependencies:
 tigervnc-selinux       noarch       1.12.0-6.fc36        updates        24 k

Transaction Summary
==============================================================================
Install  2 Packages

Total download size: 284 k
Installed size: 682 k
Downloading Packages:
(1/2): tigervnc-selinux-1.12.0-6.fc36.noarch.  15 kB/s |  24 kB     00:01    
(2/2): tigervnc-server-1.12.0-6.fc36.x86_64.r 125 kB/s | 259 kB     00:02    
------------------------------------------------------------------------------
Total                                          73 kB/s | 284 kB     00:03     
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
  Preparing        :                                                      1/1 
  Running scriptlet: tigervnc-selinux-1.12.0-6.fc36.noarch                1/2 
  Installing       : tigervnc-selinux-1.12.0-6.fc36.noarch                1/2 
  Running scriptlet: tigervnc-selinux-1.12.0-6.fc36.noarch                1/2 
  Installing       : tigervnc-server-1.12.0-6.fc36.x86_64                 2/2 
  Running scriptlet: tigervnc-server-1.12.0-6.fc36.x86_64                 2/2 
  Verifying        : tigervnc-selinux-1.12.0-6.fc36.noarch                1/2 
  Verifying        : tigervnc-server-1.12.0-6.fc36.x86_64                 2/2 

Installed:
  tigervnc-selinux-1.12.0-6.fc36.noarch  tigervnc-server-1.12.0-6.fc36.x86_64 

Complete!

• Next, allow VNC service on your firewall.

sudo firewall-cmd --add-service=vnc-server --permanent

• Then reload the firewall to apply changes.

sudo firewall-cmd --reload

• In the VNC config file add display settings.

sudo nano ~/.vnc/config

Sample file

## Supported server options to pass to vncserver upon invocation can be listed
## in this file. See the following manpages for more: vncserver(1) Xvnc(1).
## Several common ones are shown below. Uncomment and modify to your liking.
##
# securitytypes=vncauth,tlsvnc
# desktop=sandbox
# geometry=2000x1200
# localhost
# alwaysshared
session=gnome
securitytypes=vncauth,tlsvnc
geometry=800x600

• Add a user that will be used with the VNC server.

sudo useradd demouser

• Set the password for the added user.

sudo passwd demouser

• Next, log in to the created user to set the VNC password. Start by changing to the superuser.

sudo -i

• Then login to the user-created above.

su - demouser

• Set a password for your VNC server using the following command.

vncpasswd

Sample output

Password:
Verify:
Would you like to enter a view-only password (y/n)? n
A view-only password is not used

• Next, bind users to the VNC display. Open user config file

sudo nano /etc/tigervnc/vncserver.users

Enter display number followed by username as the example below.

## TigerVNC User assignment
#
# This file assigns users to specific VNC display numbers.
# The syntax is =. E.g.:
#
# :2=andrew
# :3=lisa

:1=itnixpro
:2=demouser

• Enable the VNC server to run on boot and start it.

sudo systemctl enable --now vncserver@:1 vncserver@:2

• Alternatively, to start a specific display the command below can be used.

vncserver :2 -geometry 800x600

Configure VNC Client

• By default, the first VNC display runs on port 5901, the second display runs on port 5902, and so on depending on the number of displays you have running.
• On your VNC client enter your VNC server IP followed by port 5902(Display number you are connecting with) as shown below.

• Note, that you can get your VNC server IP by running the following command.

ip a

• Next, enter your VNC server password.

• When your connection is successful you will be able to interact with your Fedora running VNC server.

• You have made it to the end of our article, congratulations. We have gone through how to install VNC Server on Fedora 36.

Read more about TegerVNC

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