NS 2 installation in ubuntu 18.04

NS 2 install procedure in ubuntu 18.04  each step by step copy and past at terminal  follwing..


download network simulator 2 (ns 2.35)  click here and copy file from downloads and paste to home directory

step 1 copy below line and past at terminal (ubutu/linux mint) this is for Linux update

  sudo apt-get update

update your C file using this comand

sudo apt install gcc-4.8 g++-4.8

step 2   copy below line and past at terminal (ubutu/linux mint) this is for library packages installation and related ns 2

sudo apt-get install build-essential autoconf automake libxmu-dev 

step 3   tar zxvf ns-allinone-2.35.tar.gz.part   (This is to extract the tar.gz file into a folder)
you can extract this file my manual rar file

step 4 sudo apt-get install gedit (optional if gedit not installed install gedit using this command )
go to terminal and

 step 5 cd ns-allinone-2.35 
                   go to cd /home/ns-allinone-2.35/ns-2.35/linkstate/ls.h 
                    open ls.h file 
edit file go to line 137 relpce this below 
""
void eraseAll() { this-> erase(baseMap::begin(), baseMap::en 
""  

6 cd 
goto  ns-allinone-2.35 (by using cd ns-allinone-2.35)
./install     
7. go to home director for using cd command (just type  " cd " command at terminal )
     
8  gedit .bashrc 

add path  

export PATH=$PATH:/home/username/ns-allinone-2.35/bin:/home/username/ns-allinone-2.35/tcl8.5.10/unix:/home/username/ns-allinone-2.35/tk8.5.10/unix 
export LD_LIBRARY_PATH=/home/username/ns-allinone-2.35/otcl- 

9 source .bashrc 

10  ns  
get % it is installed

Note: when add path replace your pc username instead of username