Download the following installation steps as a pdf manual <here>. This manual also contains the steps to install ns2.34 in Fedora 12.
Read this article in Scribd <here>
PROCEDURE 1:
The nightmare days are over!
Now you dont have to spend hours on your linux distro(ubuntu) installing and validating ns2.x
Ubuntu 10.10 has greatly simplified things. You can now install ns,nam and xgraph by just a single command in the Terminal:
$ sudo apt-get install ns2 nam xgraph
You will be prompted for the user password. Enter it and watch Ubuntu 10.10 do the things for You!
Happy Ubuntuing 
PROCEDURE 2:
On heeding to my blog visitors requests, I would like to update this post with the steps to install ns2.34, the traditional way.
Step1: Download ns-allinone-2.34 package from this <site>. I will be using ns version 2.34.
Step2: Place the ns-allinone-2.34.tar.gz file in your home folder(/home/micman in my case). Right click on the package and extract the contents in the same home folder.
Step3: Next, open the Terminal(Applications–>Accessories–>Terminal in ubuntu)
Step4: Change to ns-allinone-2.34 directory
$ cd /home/micman/ns-allinone-2.34
Step5: First, Install the dependencies
$ sudo apt-get install build-essential autoconf automake libxmu-dev gcc-4.3
Note that we are downgrading the gcc version, as ns2.34 works well with gcc4.3
Edit Makefile.in found at this location ns-allinone-2.34/otcl-1.13/Makefile.in as follows:
Find the line that says:
CC= @CC@
and change it to:
CC= gcc-4.3
Step6: Begin ns2.34 installation
$ sudo su
# ./install
Step7: Once the installation is successful i.e. without any errors, we need to add the path information to the file ~/.bashrc
$ gedit ~/.bashrc
Step8: Append the following lines to the file ~/.bashrc
# LD_LIBRARY_PATH OTCL_LIB=/home/micman/ns-allinone-2.34/otcl-1.13 NS2_LIB=/home/micman/ns-allinone-2.34/lib X11_LIB=/usr/X11R6/lib USR_LOCAL_LIB=/usr/local/lib export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$OTCL_LIB:$NS2_LIB:$X11_LIB:$USR_LOCAL_LIB # TCL_LIBRARY TCL_LIB=/home/micman/ns-allinone-2.34/tcl8.4.18/library USR_LIB=/usr/lib export TCL_LIBRARY=$TCL_LIB:$USR_LIB # PATH XGRAPH=/home/micman/ns-allinone-2.34/bin:/home/micman/ns-allinone-2.34/tcl8.4.18/unix:/home/micman/ns-allinone-2.34/tk8.4.18/unix # Note: the above two lines starting from XGRAPH should come in the same line NS=/home/micman/ns-allinone-2.34/ns-2.34/ NAM=/home/micman/ns-allinone-2.34/nam-1.14/ PATH=$PATH:$XGRAPH:$NS:$NAM
Here replace /home/micman with the path to your home folder.
Step9: For the changes to take effect immediately, do the following:
$ source ~/.bashrc
Thats all!
type ns to see % and type nam to show the nam startup window. This shows your installation has been successful.
Troubleshooting
- If the tk compilation failed, especially for tk3d.c, make sure you have installed libx11-dev package.
- If the otcl configuration failed, make sure you have installed x-dev and xorg-dev packages.
Error:
nsbash: ns: command not found
Solution:
This could be because you have not set the $PATH variable. Therefore, the OS does not know where to look for the command “ns“. more detailed solution <here>
Error:
Segmentation Fault
Solution:
found here
Error:
Undefined reference to vtable
Solution:
found here
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