Start creating and testing your network before actually deploying by installing the GNS3 network simulator on Ubuntu 24.04 server or desktop Linux…
GNS3 is a network simulator tool for students, designers, and engineers for creating and testing networks in a virtual environment without actually having physical hardware. Graphical Network Simulator-3 (GNS3) offers a user-friendly graphical interface with the ability to drag and drop various kinds of devices to create networks such as routers, switches, and firewalls, as well as virtual devices like Cisco IOS, Juniper JunOS, and more. Using GNS3 users can use such devices in a virtual workspace and interconnect them to create a network topology.
Key GNS3’s functionalities:
- Network Topology Design
- Device Emulation
- Integration with Real Hardware for providing a hybrid environment for testing.
- Packet Capture and Analysis
- GNS3 has a large and active community of users
Let’s see the steps we can follow to install GNS3 on Ubuntu 24.04 Linux:
Steps to Install GNS3 on Ubuntu 24.04 Linux
Step 1: Add GNS3 PPA repository
The packages to install GNS3 on Ubuntu 24.04 are not available directly from the official repository of Ubuntu. Therefore, we need to add the PPA repository provided by the developers of this network simulation tool. Here is the command to run:
sudo add-apt-repository ppa:gns3/ppaStep 2: Run Update and Upgrade
After adding the PPA repository of GNS3, run the system update and upgrade.
sudo apt update && sudo apt upgradeStep 3: Installing GNS3 on Ubuntu 24.04
Now, we can install the GNS3 network simulator using the default Ubuntu 24.04 package manager APT, on your command terminal execute the given command:
sudo apt install gns3-gui gns3-serverStep 4: Launch GNS3
As we are done with the installation process there are two ways to open the GUI of GNS3 one is using the Application menu and the other is by running a command in the terminal.
From the GUI Application menu:
Using Terminal:
gns3 &
Uninstallation or Update
In the future to install any available update for GNS3, users can run the Ubuntu system update and upgrade command i.e.
sudo apt update && sudo apt upgradeWhereas for completely removing the GNS3, use:
sudo apt remove gns3-gui gns3-serverLearn more about GNS3 from its official documentation.
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