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Course Outline

Introduction

Nginx as a front-end for IoT (serving as a load balancer, reverse proxy, and application delivery platform)

  • Distinctions between Nginx and Nginx Plus

Management and monitoring capabilities

  • Overview of TCP, HTTP, and UDP protocols
  • Bandwidth requirements
  • The role of UDP in IoT communications

Overview of Nginx Architecture and Functionality

  • How Nginx maintains connection "state"
  • How Nginx handles TCP and UDP (including conversations, etc.)
  • How Nginx forwards IP addresses to the backend

Case Study: Nginx as an IoT Server

  • IoT Architecture: sensors, hubs, and servers

Installing Nginx

  • Installation on Debian, Ubuntu, and from source

Utilising Nginx as a Load Balancer

  • Understanding performance and scalability
  • Load balancing for TCP and HTTP connections
  • Load balancing for UDP connections

Utilising Nginx as a Reverse Proxy

  • Replacing the default configuration with a custom one
  • Modifying request headers
  • Fine-tuning response buffering

Utilising Nginx as a Forward Proxy

  • Configuring Nginx
  • Forwarding traffic to a variable host rather than a predefined one.

Case Study: Nginx in Very Large Industrial IT Systems

Maximising Performance

  • Optimising performance (tuning Nginx parameters, OS parameters, and virtual machine CPU/memory ratios)
  • Client-side performance optimization

Security

  • Restricting access
  • Authentication mechanisms
  • Secure links
  • Common security issues in Nginx configurations

Scaling

  • Deploying content across multiple servers
  • Configuration sharing

Enhancing Nginx with LUA scripts and other plugins

  • OpenResty, LuaJIT, and Lua libraries

Logging in Nginx

  • Accessing log and error files across multiple servers
  • Optimising logging practices

Monitoring Nginx

  • Improving maintainability and reliability

Troubleshooting Nginx

Closing remarks

Requirements

  • A foundational understanding of TCP/IP.
  • Practical experience with the Linux command line.
 14 Hours

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