1. Instalăm dependențele
sudo apt-get update
sudo apt-get install python
sudo apt-get install qt4-dev-tools
sudo apt-get install pyqt4-dev-tools
2.Downloadăm și instalăm GNS3
cd /opt
sudo wget http://downloads.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 mv GNS3-0.8.3-src /opt/GNS3
sudo rm GNS3-0.8.3-src.tar.bz2
3. Creăm forlderele pentru GNS3
cd /opt/GNS3
sudo mkdir Dynamips
sudo mkdir Images
sudo mkdir Project
sudo mkdir tmp
sudo chmod o+rw -R ./Project
cd Dynamips
sudo wget http://downloads.sourceforge.net/project/gns-3/Dynamips/0.2.8-RC3-community/dynamips-0.2.8-RC3-community-x86.bin
sudo chmod +x ./dynamips-0.2.8-RC3-community-x86.bin
5. Creăm o iconiță care pornește GNS3
gnome-desktop-item-edit –create-new ~/Desktop