Hi guys, today we are talking about awesome Graphical Network Simulator a.k.a GNS3. GNS3 is a must have simulator for CCNA to CCIE virtual Labs. GNS3 can be fully integrated with Virtualbox, Vmware Player, Cisco IOU.ova, JUNOS.ova and create a powerful lab environment.
Installing GNS3 on windows only entails clicking next>next>complete. But when it comes to Linux it is a pain in the neck to some people. I am going to give you a script Written by Rednectar that simplifies installation of GNS3. I was so happy when it came across the script, it works perfectly on updated ubuntu and all Debian derivatives.
I tested the script on a fresh installation of Ubuntu 14.04 and Linux Mint. If you get any error to feel free to drop a comment.
If you are new to Linux and want to run GNS3 on Linux, download Ubuntu operating system or Linux Mint and install it, you can use DVD or install it using USB Flash Drive easy, then follow my article on What to Do after Installing Ubuntu 14.04, 12.04, 13.0 . Another great article for linux starters is 30 Mostly used Linux Commands For Newbies with Examples
The first step is to Download the script from the Link Install-GNS3v1.sh
1. Then navigate to the folder containing downloaded script and type
Press enter. It will give you a screen prompt like the one shown below:
2.) Then Press enter key to continue. You will see the content shown below
I suggest you go with D or F option. It will automatically do everything for you.
On finishing the installation, you will get the following results:
That’s all. You can start GNS3 by typing
$ gns3 or sudo gns3
To start gns3server separately type:
$ gns3server or sudo gns3server
Credits go to Rednectar at rednectar.net for writing such an awesome great script.
If you on Kali Linux system, the only available GNS3 is version 0.8.7 which you can install by:
sudo apt-get install gns3
Kali Linux getting started article available:
Top Ten Must Do Things After Installing Kali Linux
How To Install Themes in Kali Linux As Non-Root User
New to Linux and don’t know where to start or which distro to install?, don’t worry, just read Top Most Used Common Linux Distributions 2014
Top Windows Antivirus 2015