GNS-3 Instalation Guide

Instaling GNS-3 on Ubuntu Linux
Satya Nayak
[email protected]
1. First we will install Dynagen and Python-Qt4
Go to Termial and exxecute below commads. Make sure you are connected to Internet.
sudo apt-get update
sudo apt-get install dynagen python-qt4
IMP: While installing Dynagen and python-qt4 on 10.10, if you get Unable to locate
package dynagen/python-qt. Manually download these packages
from here https://launchpad.net/ubuntu/maverick/
+package/dynagen
https://launchpad.net/ubuntu/maverick/+package/python-qt4
2. Download GNS3 and extract in /opt
cd /opt
sudo wget http://space.dl.sourceforge.net/project/gns-3/GNS3/0.8.3/GNS3-0.8.3-src.tar.bz2
sudo tar -xjvf GNS3-0.8.3-src.tar.bz2
sudo rm GNS3-0.8.3-src.tar.bz2
sudo mv GNS3-0.8.3-src /opt/GNS3
If you get timeout while downloading GNS3 source file, Please manually download GNS30.8.3-src.tar.bz2 from here http://sourceforge.net/projects/gns-3/files/
3. Create the following directories in Ubuntu:
These directories will be used by GNS3 – such as projects – where your working projects
will be stored, cache, temp, IOS images, etc.
cd /opt/GNS3
sudo mkdir Dynamips
sudo mkdir IOS
sudo mkdir Project
sudo mkdir Cache
sudo mkdir tmp
sudo chmod o+rw -R ./Project
sudo chmod o+rw -R ./tmp
sudo chmod o+rw -R ./IOS
4. Download binary of dynamips and make it executable
cd Dynamips
sudo wget http://www.ipflow.utc.fr/dynamips/dynamips-0.2.8-RC2-x86.bin
sudo chmod +x ./dynamips-0.2.8-RC2-x86.bin
4.1 Qemu installation
sudo apt-get install qemu
You can create a desktop shortcut on Ubuntu by right-clicking on the desktop and select
“Create Launcher..”, Name it GNS3 and in the command section type in
gnome-desktop-item-edit ~/Desktop/ --create-new
2. 4.2 Python "/opt/GNS3/gns3"
Double click to open GNS3 and we will edit the default settings. If you don’t want to use
desktop icons you can create a launcher from your programs menu by right clicking on the
Main Menu, selecting Edit Menu. Select New Item on the right and you will be presented
with the same window where you type in the above. From there you can move the launcher
into any menu section of your choice.
5. Go to edit | preferences and in the ‘Terminal command:’ section type in:
gnome-terminal -t %d -e 'telnet %h %p' > /dev/null 2>&1 &
6. Under ‘Paths’ change the ‘Project directory:’ to
/opt/GNS3/Project
and the ‘IOS/PIX directory:’ to
/opt/GNS3/IOS
7. Click on Dynamips tab on the left
For the ‘Executable path:’ type in
/opt/GNS3/Dynamips/dynamips-0.2.8-RC2-x86.bin
8. Change the ‘Working directory:’ to
/opt/GNS3/tmp
Click on the Capture tab on the left
9. For the ‘Working directory for capture files:’ change it to
/opt/GNS3/Project
10. For Qemu
Change qemu path to /usr/bin/qemu and qemu-img path to /usr/bin/qemu-img