How to Install GNS3 1.5.1 from source on Debian

[mirrored]
— GNS3 is installed from a Terminal prompt —

! –  Install sudo and add your user account
$ su –

# apt-get install sudo
# cd /etc
# pico sudoers
     jason     ALL=(ALL:ALL) ALL    <– Add this line – replacing “jason” with your username. Then save/close.
# exit

! – Add i386 support for IOU and Run apt-get update
$ sudo dpkg –add-architecture i386
$ sudo apt-get  update

! – Install GNS3 dependencies
$ sudo apt-get install gcc
$ sudo apt-get install python3-dev
$ sudo apt‐get install python3‐setuptools
$ sudo apt‐get install python3‐pyqt4
$ sudo apt‐get install python3‐ws4py
$ sudo apt‐get install python3‐zmq
$ sudo apt‐get install python3‐tornado
$ sudo apt‐get install python3‐netifaces

! – Install Dynmips dependencies
$ sudo apt-get install cmake
$ sudo apt‐get install libelf‐dev
$ sudo apt‐get install uuid‐dev
$ sudo apt‐get install libpcap‐dev

! – Download and unzip GNS3 Linux source files Download
$ unzip GNS3-1.5.1.source.zip
      Archive: GNS3-1.5.1.source.zip
 dynamips-0.2.16.zip  GNS3-1.5.1.source.zip  gns3-gui-1.5.1.zip  gns3-server-1.5.1.zip  iouyap-0.97.zip  ubridge-0.9.4.zip  vpcs-0.6.1.zip

! – Build and Install Dynamips
$ cd GNS3-1.5.1-source
$ unzip dynamips-0.2.16.zip
$ cd  dynamips-0.2.16
$ mkdir build
$ cd build
$ cmake ..
$ make
$ sudo make install
$ sudo setcap cap_net_admin,cap_net_raw=ep /usr/local/bin/dynamips

! – Install GNS3 Server
$ unzip gns3-server-1.5.1.zip
$ cd gns3-server-1.5.1
$ sudo python3 setup.py install

!  – Install GNS3 GUI
$ unzip gns3-gui-1.5.1.zip
$ cd gns3-gui-1.5.1
$ sudo python3 setup.py install

! – Install IOU prerequisites
$ sudo apt-get install libssl1.0.0:i386
$ sudo ln -s /usr/lib/i386-linux-gnu/libcrypto.so.1.0.0 /usr/lib/libcrypto.so.4
$ sudo apt-get install bison
$ sudo apt-get install flex
$ sudo apt-get install git
$ git clone http://github.com/ndevilla/iniparser.git
$ cd iniparser
$ make
$ sudo cp libiniparser.* /usr/lib/
$ sudo cp src/iniparser.h /usr/local/include
$ sudo cp src/dictionary.h /usr/local/include

! – Install GNS3 IOUYAP app (provides network support for IOU)
$ unzip iouyap-0.97.zip
$ cd iouyap-0.97
$ sudo make install
$ sudo cp iouyap /usr/local/bin/

! – Install VPCS
$ unzip vpcs-0.6.1.zip
$ cd vpcs-0.6.1/src
$ ./mk.sh
$ sudo cp vpcs /usr/local/bin/

(verify the path in GNS3 Preferences)

! – Start GNS3
$ gns3

# (GNS3-1.2.3)
https://www.gns3.com/discussions/how-to-install-gns3-1-2-1-on-deb

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PROTIP!

if you found any error message like :
“…Fail update installation: No module named ‘PyQt5′” or “..Please install the PyQt5.QtSvg module”
then just solve it with :
$ apt-get install python3-pyqt5 && python3-pyqt5.qtsvg