Linux Tutorials

Opening JNLP Files on Linux – Ubuntu, Debian, Fedora & Arch

Josphat Mutai Updated Mar 20, 2026 · 2 min read
open jnlp files on linux
how to open jnlp files on linux

JNLP, or Java Network Launch Protocol, makes it possible to run a Java application on your computer using files and resources stored on a remote web server. Tools like Java Web Start and the Java Plug-in act as JNLP clients because they let you open and run these remote Java programs directly on your desktop.

Original content from computingforgeeks.com - post 23516

The usual method for accessing a server’s iLO or IPMI console is by downloading and launching a JNLP file from the server’s web interface. Since I’m using a Linux desktop, I needed to find a tool that could open and run this file properly. In this guide, we will install IcedTea-Web which is a free software implementation of Java Web Start and the Java web browser plugin.

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Installing JNLP tools on Linux

Install On Ubuntu / Ubuntu

sudo apt update && sudo apt install default-jdk
sudo apt install icedtea-netx icedtea-plugin

Install on Fedora / CentOS

### CentOS ###
sudo yum install epel-release
sudo yum install java-21-openjdk java-21-openjdk-devel
sudo yum install icedtea-web
### Fedora ###
sudo dnf install java-21-openjdk java-21-openjdk-devel
sudo dnf install icedtea-web

Install on Arch / Manjaro

sudo pacman -S icedtea-web

Open JNLP file on Linux

After installation, you can execute a JNLP file using the command line:

javaws file.jnlp

An alternative way of executing a JNLP file by double-clicking.

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Josphat Mutai

Founder of Computingforgeeks. Senior Systems Engineer with over a decade of hands-on experience building and managing production infrastructure. Core expertise in Linux/UNIX administration, cloud platforms (AWS, GCP, Azure), and Kubernetes ecosystems (EKS, GKE, OpenShift). Deep experience with virtualization (KVM, Proxmox, OpenStack), infrastructure as code (Terraform, Terragrunt, Ansible, Crossplane), GitOps workflows (ArgoCD, FluxCD), Nix/NixOS, and container orchestration at scale. Currently focused on integrating AI and LLMs into DevOps and platform engineering workflows. Every guide on this site is tested on real systems before publishing.

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