Introduction to Practical Web Development: Learning by Doing in the AI Era

Understand the entire journey from the moment a URL is entered into the browser address bar to the screen being rendered, and build a practical deployment environment by directly installing and configuring an Nginx web server. Develop practical skills to identify the causes of failures on your own through log analysis and status codes.

Learn step-by-step English expressions actually used in IT practice, from reading official documentation and writing tickets or emails to sharing incident reports and conducting technical interviews. Master practical English that you can apply immediately today with templates and examples extracted from over 20 years of infrastructure operations experience. Learn real-world business English for global collaboration, not just English for exams.

We will follow the entire flow of a request, from the moment an address is entered into a web browser until the results are displayed on the screen. By comprehensively understanding how the terms learned in lessons 1 to 3 are actually connected and function, you will develop the diagnostic skills to quickly narrow down the problem area when a failure occurs.

This is an introductory networking course for non-majors that focuses on understanding the flow of communication through visuals rather than memorizing terminology. Using the layered model as a framework, we follow the entire process of what happens when you enter a URL into the address bar from start to finish, helping you build practical networking intuition that can be applied immediately in the real world.

Learn the basic structure of Saju Palja and the meanings of the Heavenly Stems and Earthly Branches, and study how to establish and interpret your own Saju using the Manseryeok (Ten Thousand Year Calendar). By understanding the Sipsin system and the flow of Daewun (Great Fortune) and Sewun (Annual Fortune), you will be able to read your own Saju and write an interpretation report in just 12 sessions.

To ensure you are no longer afraid of the black screen, we will practice everything from server access to log checking and resource monitoring using only the 21 essential commands. You will start immediately in a web environment, learning everything from how to exit vi to hands-on practical inspection routines.

Systematically learn over 60 IT terms encountered in practice, ranging from job postings to meeting minutes and incident reports. Understand service structures by dividing them into four layers, and acquire the essential vocabulary needed for collaborating with development teams and attending technical lectures.

This is a process for building the habit of overcoming the 'fear of starting' and completing practical writing tasks such as reports, proposals, and blog posts. You will learn step-by-step practical methodologies from setting the target audience to drafting and revising, enabling you to refine and complete writing that fits your specific purpose.

For beginners new to messaging systems, this guide explains everything from Kafka's origins to its core components, operating principles, and practical applications using only concepts and illustrations. Without the need for code or installation, it clearly distinguishes key terminology such as topics, partitions, and consumer groups, helping you build the fundamental strength to read real-world architecture diagrams.

This is a practical course focused on converting AWS console click operations into Terraform code. From HCL syntax to state management, module design, and CI/CD integration, you will complete your team-level IaC operational capabilities through step-by-step hands-on practice. You will build actual infrastructure in a cumulative structure from VPC to EKS and learn how to solve problems that arise during operations.

Learn practical techniques to start studying through structure rather than willpower. Master twelve execution design methods along with worksheets to lower the barrier to starting, recover broken focus, and prevent a single day's failure from turning into giving up.

This is a practical introductory course for new employees and juniors. You will systematically learn essential business fundamentals, from understanding instructions to reporting and task management. Through hands-on practice, you will master work processes that can be applied immediately.

You will systematically learn the principles of how the CPU, memory, and disk collaborate, as well as how the operating system mediates resources. You will acquire practical foundational knowledge to read server specification sheets and identify performance bottlenecks, establishing a basis for learning about cloud and network technologies.

Systematically master the basics of English speaking by following a 4-week curriculum with precise daily instructions. With 50 core expressions, verb usage, and practical scripts all included in the slides, you can master daily training methods and apply them immediately without the need for a separate textbook. Through a comprehensive learning design spanning from diagnosis to correction, even beginners can gain confidence in basic conversation within just 4 weeks.

This is a practical program designed to redesign family relationships through reaction habits rather than comedic talent. You will learn reaction methods tailored to your elementary-aged children and spouse, and build a sustainable family relationship improvement system that can be maintained for 100 days with just a 10-minute daily routine. From diagnosis to practice, we provide a structured 8-week curriculum for busy working fathers.

An introductory course that makes the terminal less intimidating even for Linux beginners, teaching you how to view server logs, find files, and develop practical skills using just cd / ls / grep

From installing the editor to initial Git configuration, you will personally build the entire development environment from start to finish. This is a practical, hands-on course where you will master terminal commands and folder structure principles, create your first project folder, and complete your first commit. In just one day, you will establish a stable development environment to be used throughout the entire 12-week program.

This step-by-step program mixes walking and running to help your body adapt safely, aiming to complete a 10km run after 12 weeks. You will systematically learn proper posture, breathing techniques, injury prevention, and recovery management, building a sustainable running habit with 40-minute training sessions three times a week.

You will learn the criteria for distinguishing seemingly similar IT roles based on the nature of 'what they do' rather than just their titles. You will be able to grasp the reality behind confusing job names such as Backend, Infrastructure, DevOps, SRE, and Platform Engineer, and develop the ability to judge the nature of a position by reading job postings to set a career direction that suits you.

Learn practical AIOps methodologies to move beyond alarm storms and repetitive incident responses toward data-driven problem prediction and automation. This is a practice-oriented course infused with 20 years of operational experience, covering everything from data preparation and anomaly detection to root cause analysis that can be applied immediately in the field without being tied to a specific product.

This is a practical project course where you will build a complete web service from planning to deployment using AI coding tools. You will gain hands-on experience with the entire process—including database design, file storage implementation, and service operation—within a Windows environment to acquire practical development skills for the AI era.

No coding knowledge needed! This lecture shows how anyone can easily create a website using AI tools 'Cursor' and 'Vibecoding'. Follow 2 practical examples to build a real-world website with just clicks, and even learn to deploy it.

It's okay if you don't know a single line of code. We are now in the era of 'Vibe Coding,' where you develop by 'conversing' with AI.

💸 A profitable AI agent web service course where real payments happen! ❗ Stop making websites just for your portfolio and build an <AI Commentary Product Mall> with 'infinite inventory and zero cost'! 🤖 Build a solid foundation starting from the 'service specification' with your AI development team members, just like working with a human development team!

This is a process of developing a practical web service in collaboration with AI agents based on TARS prompt engineering principles. You will gain full-stack development experience covering everything from UI/UX component creation to CRUD functions, API integration, and data visualization, ultimately completing your own idea as a viable MVP.

We will show you how Java backend developers using IntelliJ can maximize their productivity with Claude Code. In particular, we help you perfectly resolve the vibe coding environment issues faced by those using Windows environments.

The trending "Vibe Coding"! You can learn how to develop and deploy a website (Next.js) with just a few clicks using AI tools. We will even show you how to develop using Google Gemini Pro for free.

It's okay if AI feels unfamiliar and difficult to you. In just one week, I will share the entire "trial and error" journey of building everything from a membership landing page to automation and data analysis from scratch using Claude Code. Even if you don't know how to code or are a complete AI beginner, I'll show you through real-world examples so you can take on the challenge yourself.

This is a tutorial-style Claude code development course that even beginners and those new to development can easily follow. Based on experience teaching offline classes for planners, designers, and non-developers, you can learn everything in a single flow—from basic examples not covered in books to intermediate development projects. Using Claude code, you will experience the step-by-step development process, starting from "Hello World" to a Lucky Draw app, a device-optimized cafe menu management web page integrated with Claude design and Excel data, and finally a SaaS web application that can be uploaded to databases and cloud services. Tutorials are provided in stages of theory, practice, and projects. Through six levels of hands-on exercises, you will master AI-collaborative development methodologies and experience the entire development cycle, including cloud deployment and operation.

Have you ever regretted focusing only on notes instead of making eye contact, or failing to accurately record meeting details after an important client meeting? Don't worry anymore! In this lecture, we'll help you build your own CRM assistant using Vibe Coding to summarize key information with AI and neatly save meeting content. You'll learn how to drastically reduce cumbersome document creation time, maximize work productivity, and revolutionize customer management!

This lecture is the final lecture in the [Web Development Full Stack Course] lecture series for training full-stack web developers, and is a lecture on portfolio project development. By synthesizing everything learned in [Web Development Full Stack Course], you will be able to understand what you have learned while developing an actual web application and directly apply the basic functions.

From AWS EC2 backend operations to automatic error fixing, we are revealing the entire development process of Sidabari (https://github.com/cx8537/sidabari), a Claude Code-based automation tool. In this course, we provide all the actual prompts and conversation history used as learning materials, allowing you to experience the entire prompt input process involved in its creation.

This is a practical Vibe Coding course where you will create a Travel MBTI diagnosis web app using only AI prompts and complete it to a production-ready level by actually integrating the Korea Tourism Organization's public Open API. You will learn how to transform crude results into a high-quality web app using prompt-splitting techniques, and cover the entire process from API key security to deployment.

Even those who have never experienced even the basics of coding can create automation software with just a few clicks. I'm serious.

It doesn't stop at just following along with an example game. You will learn the entire process based on an actual release project—from game planning and development to mobile builds, AdMob ad integration, and registration on One Store, Google Play, and the App Store—all through ChatGPT and Codex-based Vibe Coding.

Now your imagination becomes the ultimate game design document! With AI, you can have fun chatting as if you were building with LEGO and complete your first game. Try Google Gemini Pro for free!

This course is a practical, hands-on course where you will build your own 'League of Legends Match History Search Site' using React.js and Node.js, utilizing the Riot Games API. Students will naturally learn through hands-on practice, following the project step-by-step, covering everything from basic API usage, integration of frontend (React.js) and backend (Node.js, Express.js), to match history data visualization, and implementing op.gg-style UI. Rather than focusing on complex theories, this course is code-centric, allowing you to quickly experience results by 'building it yourself' through hands-on practice.

This is a process for completing IoT products without complex coding, using the Vibe Coding methodology powered by AI agents. You can experience the entire product development cycle in a condensed format—from embedded hardware control and AI vision recognition to PCB design, 3D printing, and web/app service development—allowing you to launch functional, commercial-grade IoT devices.

Your colleagues are already using Claude Code for their work—are you still doing everything manually? Don't worry! This course will turn you into a vibe coding master.

Document writing is the most challenging part for both aspiring and current developers! Create your own portfolio by looking at how successful candidates write their documents! We speak based only on documents that actually passed!