Understanding Networks Properly

⚓Kubernetes (Docker Desktop, Nginx, Minio, Longhorn) 🙇‍♀️Are you still hesitating? 🙋‍♂️Just trust me and follow along! I will take your skills to the ⭐next level.

Learn about networks easily, quickly, and engagingly with pictures and videos!

This is a beginner level network course that solidifies the fundamentals of networks through packet tracer practice.

This is a lecture on subnetting, which is necessary when creating or reading network diagrams.

This course will help you understand the value of IoT and how it changes our lives and society. You will learn the basics of IoT device programming, IoT device connection technology, big data analysis, and automation. You will understand digital transformation and its impact on businesses and society.

Learn about the network multiplayer framework, also known as the other Unreal Engine. Learn the key concepts, inner workings, and optimization techniques you need to know when creating a network multiplayer game, then create a hack & slash type PvP battle game.

The most difficult thing when malware is distributed is script obfuscation. Understand the obfuscation technique and analyze the malware executable file that is distributed after decrypting it.

Free lecture by the author of the best-selling book, “Network Study Alone.” A summary of a network textbook that developers must know.

A course where you can understand core network concepts and train to explain them verbally for interviews.

Let's leverage AWS's key networking services to build everything from simple, basic networks to multi and hybrid networks, understand traffic flow in the architecture, and develop the skills and confidence to implement real cloud networks ourselves.

You can learn the basic theory and features of TCP sockets. You can learn various socket options and task-based asynchronous programming.

Want to work for a long time as a super developer who can handle the entire process of service development and operation on your own? Then build a solid foundation in IT infrastructure knowledge from the ground up, which is just as important as various development languages!

This is Part 1 of a roadmap lecture that concisely organizes the essential computer science (CS knowledge) needed to excel in development and data, in a short period. This lecture has also been used as an in-house lecture at top domestic companies for several years. Based on 20 years of experience in actual practice, from system SW to web, app development, and data science, this lecture systematically yet easily organizes the essential core knowledge needed to excel in development and data.

We explain the operating principles of complex IT systems, such as servers, networks, clouds, and AI infrastructure, using simple everyday analogies. Even non-experts can systematically learn the core literacy needed to communicate smoothly with technical experts and make logical decisions in a digital environment.

Learn the core HTTP features essential for practical use and how to design proper HTTP APIs.

You'll gain a very clear understanding of what diagnostic communication is in automotive SW roles, and what a diagnostic communication practitioner does and how! This lecture provides content specific enough for practitioners to immediately start work with actual spec documents.

How do the sites we access every day work? Before we start studying data in earnest, let's take some time to learn about servers and the Internet, which are the background knowledge of IT.

This course is for those who want to develop packet analysis programs like Wireshark and various network solutions using the Npcap library.

[Introduction to Security Incident Response: Learning through Scenarios of Web Server Hacking, Ransomware, and Account Takeover] This course examines why various information security incidents—such as web server hacking, ransomware, account takeover, and internal penetration—occur and how they spread, categorized by incident type. Students will follow each incident scenario to understand the attack flow, analyze the core causes of the incident, and learn how to resolve issues and prevent recurrence through security architectures such as firewalls, DMZ, access control, privilege management, backup, and log monitoring. Rather than a simple explanation of security concepts, this is a scenario-based introduction to information security that provides a comprehensive understanding from root cause analysis to resolution strategies.

Through this course, students will learn the structure of computers and the overall concepts and flow of networks.