A structured and beginner-friendly guide to the fundamentals of computer networking covering everything from IP addressing, subnetting, routing, and protocols to network security and troubleshooting.
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Updated
Nov 3, 2025
A structured and beginner-friendly guide to the fundamentals of computer networking covering everything from IP addressing, subnetting, routing, and protocols to network security and troubleshooting.
Framework for simulating traffic over firewall rulesets - for troubleshooting and automated CI regression-tests
A semantic tool that leverages context to understand your network
This is the Powershell version of my CMD networking tool.
This cmd networking tool is a compilation of networking commands in an easily accessible environment.
A simple script that brings together common network troubleshooting commands in one place, organized in a menu format. Run it with or without admin mode to quickly resolve network issues.
Repo for Cisco DNA Center ITSM Integration (ServiceNow) Custom Workflows
Scalable Network Troubleshooting using Napalm
A local, open-source demo of 'Talk to Your Network' using Ollama LLMs and RAG on synthetic telecom logs.
The network technician's toolkit for anything network troubleshooting.
Master essential networking concepts and skills with hands-on labs. This course covers network fundamentals, implementation, operations, security, and troubleshooting, preparing you for the CompTIA Network+ certification (N10-009).
A comprehensive guide to setting up and managing Raspberry Pi, Ray Clusters, and distributed AI workloads. Includes network troubleshooting, IP configuration, Ray Dashboard, and Python script execution for scalable AI applications.
Small utility to download SSL certificate chain from remote server. Can override certificate validation (useful for debugging validation issues in clients) and port number, which defaults to 443 for HTTPS.
NetNoise is a network monitoring and troubleshooting utility that performs connectivity testing across multiple protocols.
A host monitoring is a great tool to help monitor a Local Area Network (LAN). It works by sending an ICMP echo request to the network host. It automates the network troubleshooting process and makes it more efficient for a user.
NetPractice is a hands-on networking project featuring 10 progressive levels that teach essential computer networking fundamentals. Through interactive problem-solving, you'll master TCP/IP addressing, subnet masks, default gateways, routing, and OSI layers by troubleshooting and configuring non-functioning network diagrams.
The project demonstrates essential networking tools and techniques to diagnose and resolve network-related issues using CLI.
A responsive client-side network troubleshooting web application featuring a subnet calculator, OSI layer guide, command cheatsheet, and case simulations to demonstrate network fundamentals and systematic troubleshooting skills.
Network configuration and troubleshooting exercises focusing on TCP/IP addressing, subnetting, and routing. 10 progressive levels covering subnet masks, CIDR notation, network segmentation, and routing tables. Part of 42 School curriculum.
In this course, you will learn how to use Wireshark to capture and analyze network traffic. You will learn how to install Wireshark, capture packets, and analyze them. You will also learn how to use Wireshark to troubleshoot network issues, analyze network traffic, and secure your network.
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