How To Install Nomacs on Ubuntu 20.04 LTS

Install Nomacs on Ubuntu 20.04

In this tutorial, we will show you how to install Nomacs on Ubuntu 20.04 LTS. For those of you who didn’t know, Nomacs is a free, open-source image viewer, which supports multiple platforms. You can use it for viewing all common image formats such as JPEG, PNG, GIF, RAW, etc.

This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you the step-by-step installation of the Nomacs image viewer on Ubuntu 20.04 (Focal Fossa). You can follow the same instructions for Ubuntu 18.04, 16.04, and any other Debian-based distribution like Linux Mint.


  • A server running one of the following operating systems: Ubuntu 20.04, 18.04, and any other Debian-based distribution like Linux Mint or elementary OS.
  • It’s recommended that you use a fresh OS install to prevent any potential issues.
  • A non-root sudo user or access to the root user. We recommend acting as a non-root sudo user, however, as you can harm your system if you’re not careful when acting as the root.

Install Nomacs on Ubuntu 20.04 LTS Focal Fossa

Step 1. First, make sure that all your system packages are up-to-date by running the following apt commands in the terminal.

sudo apt update
sudo apt upgrade

Step 2. Installing Nomacs on Ubuntu 20.04.

By default, Nomacs is available on Ubuntu 20.04 base repository. Now run the following command below to install the latest Nomacs to your Ubuntu system:

sudo apt install nomacs

Step 3. Accessing Nomacs on Ubuntu.

Once successfully installed, run the following path on your desktop to open the path: Activities -> Show Applications -> nomacs or launching it through the terminal with the command shown below:


Install Nomacs on Ubuntu 20.04 LTS Focal Fossa

Congratulations! You have successfully installed Nomacs. Thanks for using this tutorial for installing the Nomacs free and open-source image viewer on Ubuntu 20.04 LTS Focal Fossa system. For additional help or useful information, we recommend you check the official Nomacs website.

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