Telnet and FTP for a Wired Networks This post tells about the use of Telnet and FTP in Network Simulator 2 for a wired network. This can be extended to a wireless network as well. The following is the source code for implementing Telnet and FTP application in a Wired network scenario. The network looks like this: Telnet in NS2 Node 0 to Node 2 is enabled with Telnet Application and Node 1 to Node 3 is enabled with FTP Application. Save the following file as wired.tcl #=================================== # Simulation parameters setup #=================================== set val(stop) 10.0 ;# time of simulation end #=================================== # Initialization #=================================== #Create a ns simulator set ns [new Simulator] #Open the NS trace file set tracefile [open out.tr w] $ns trace-all $tracefile #Open the NAM trace file set namfile [open out.nam w] $ns namtrace-all $namfile #=================================== # Nodes
ROS Noetic Installation Today we are going to see the installation of Robotic Operating System 1 (ROS) Step 1: What We need: This will mainly work on Ubuntu 20.04 OS Support till 2025 May. Name of the ROS: Noetic For the complete installation step by step, you can watch the video given below Step 2: Commands Here are the commands to be used one after the other. $ sudo sh -c 'echo "deb http://packages.ros.org/ros/ubuntu $(lsb_release -sc) main" > /etc/apt/sources.list.d/ros-latest.list' $ sudo apt install curl # if you haven't already installed curl $ curl -s https://raw.githubusercontent.com/ros/rosdistro/master/ros.asc | sudo apt-key add - The above commands add the ROS to the aptitude manager and we can now install ROS1 with simple commands $ sudo apt update $ sudo apt install build-essential autoconf automake libxmu-dev $ sudo apt install ros-noetic-desktop-full The above command need 370MB of softwares to be downloaded. So the complete package of ROS in