gns3 installation on Ubuntu linux

Installing dependencies

techxpert@techxpert:~/Desktop$ su
Password:
root@techxpert:/home/techxpert/Desktop# cd /
root@techxpert:/#
root@techxpert:/#apt-get update
root@techxpert:/#apt-get install python
root@techxpert:/#apt-get install qt4-dev-tools
root@techxpert:/#apt-get install pyqt4-dev-tools
root@techxpert:/#apt-get install libncurses5-dev zlib1g-dev libsdl-dev libpcap-dev

Step: 2
root@techxpert:/# cd /opt/
root@techxpert:/opt# mkdir GNS3
root@techxpert:/opt# chmod 777 GNS3
root@techxpert:/opt# cd GNS3/

Step : 3
Creating Folders

root@techxpert:/opt#mkdir Dynamips
root@techxpert:/opt#mkdir IOS
root@techxpert:/opt#mkdir Project
root@techxpert:/opt#mkdir Cache
root@techxpert:/opt#mkdir tmp
root@techxpert:/opt#mkdir qemu

Step : 4
Assign Folder Permissions
root@techxpert:/opt#chmod 777 *

Download GNS3 source
from http://www.gns3.net/download/

Download Dynamips
form http://www.gns3.net/download/

Step : 5

Setting up the GNS3 files and Permission

root@techxpert:/opt/GNS3#tar -xjvf GNS3-0.8.2-src.tar.gz
root@techxpert:/opt/GNS3#rm GNS3-0..8.2–src.tar.gz
root@techxpert:/opt/GNS3#chmod 777 GNS3-0..8.2–src
root@techxpert:/opt/GNS3#cd GNS3-0.8.2-src
root@techxpert:/opt/GNS3#chmod 777 *.*

Step : 6
Settingup the permission for Dynamips
root@techxpert:/opt/GNS3/Dynamips#chmod 777 dynamips-0.2.8-RC2-amd64.bin