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Labs

Build a Real-time Log Dashboard with Node and Express

Build a simple, real-time log dashboard web application using Node, Express, and WebSockets. By building this application, you will gain experience using Node's file system API for reading and writing files. WebSockets for real-time file updates, and Express for generating web pages.

Labs

Path Info

Level
Clock icon Intermediate
Duration
Clock icon 1h 12m
Published
Clock icon Apr 14, 2023

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Table of Contents

  1. Challenge

    Configuring Websockets on the server

    Configure the WebSockets server. ### Solution To view the solution, run git diff origin/master..module2-solution in the Terminal, and press Enter to see the next lines of the difference.

    You may also browse the files of the solution by stashing your changes with git stash and running git checkout module2-solution to switch branches.

  2. Challenge

    Add a WebSocket-based log viewer window

    Add a WebSocket-based log viewer window. ### Solution To view the solution, run git diff origin/master..module3-solution in the Terminal, and press Enter to see the next lines of the difference.

    You may also browse the files of the solution by stashing your changes with git stash and running git checkout module3-solution to switch branches.

  3. Challenge

    Displaying a log file in real time

    Using a hard coded file path for the generated log file, display the log file in the log viewer window. ### Solution To view the solution, run git diff origin/master..module4-solution in the Terminal, and press Enter to see the next lines of the difference.

    You may also browse the files of the solution by stashing your changes with git stash and running git checkout module4-solution to switch branches.

  4. Challenge

    Selecting a log file

    Implement the file browser feature in order to select a log file dynamically. ### Solution To view the solution, run git diff origin/master..module5-solution in the Terminal, and press Enter to see the next lines of the difference.

    You may also browse the files of the solution by stashing your changes with git stash and running git checkout module5-solution to switch branches.

  5. Challenge

    Adding settings and configuration

    Implement the settings feature and add support for a log filter and default directory. ### Solution To view the solution, run git diff origin/master..module6-solution in the Terminal, and press Enter to see the next lines of the difference.

    You may also browse the files of the solution by stashing your changes with git stash and running git checkout module6-solution to switch branches.

Tyler Griffiths is a software developer at Digicert where he builds asynchronous microservices using Java, Spring, Cassandra and Kafka. He loves all things that live on the JVM.

What's a lab?

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.

Provided environment for hands-on practice

We will provide the credentials and environment necessary for you to practice right within your browser.

Guided walkthrough

Follow along with the author’s guided walkthrough and build something new in your provided environment!

Did you know?

On average, you retain 75% more of your learning if you get time for practice.