Introduction to Saju Myungri: Reading My Destiny Through Twenty-Two Characters

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.

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.

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.

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 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.

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.

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.

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.

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.

It is perfectly fine if you have no prior programming experience. We will learn step-by-step, from environment setup to error troubleshooting and basic syntax, while building a working program in every single lecture. After completing the 10-lecture course, you will be able to design and implement simple programs on your own.

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.

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

This is a 4-week program designed to build English speaking circuits through sentence output training rather than word memorization. Through 15 minutes of daily training involving whole-sentence memorization and a 5-step shadowing process, you will develop the ability to speak English with instant reactions without translating in your head. We focus on training mouth muscles and reaction speed rather than just injecting knowledge.

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.

Have you ever skipped over the difference between m7i and m7g in the AWS console without knowing what it was? This lecture clearly explains the concept of AWS Graviton (ARM-based processors) in just 30 minutes. From instance type naming conventions to cost-saving principles and practical application criteria, we explain everything step-by-step at a beginner's level.

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.

Understand core AI concepts through visual materials—no formulas or code required—and practice prompt writing and task-specific application patterns. Covering everything from machine learning to generative AI, this practical introductory course empowers non-majors to apply AI directly to their work in just 90 minutes.

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.

This is a process of utilizing AI coding tools without blindly trusting them, verifying results, understanding structures, and completing actual services. Instead of memorizing syntax, you will learn through project-based work, gaining experience from error resolution to deployment to build your portfolio. Even with no prior development experience, you can develop judgment skills through collaboration with AI and acquire a sense of practical teamwork.

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.

This course is a journey to directly experience your unconscious through colors, mandalas, and symbols, going beyond the simple appreciation of masterpieces. You will learn to integrate core concepts of analytical psychology—such as Anima/Animus, Archetypes, and the Shadow—through both theory and practice, gaining insight into recurring patterns in relationships and restoring psychological balance. It is an integrated psychological education program where intellectual understanding and emotional transformation occur simultaneously.

Seth Godin asks us: The project, business, or service you're creating right now— for whom and what value is it creating? Whether it's marketing or planning, ultimately the core of everything we do lies here. Creating value. Through concise yet practical lectures and workbooks, we'll share methods for creating even greater value.

Parenting today is filled with challenges—tantrums, disrespect, screen addiction, emotional overwhelm, and constant power struggles. Most parents try yelling, nagging, punishment, or bribes, but none of these create lasting change. This course teaches a better, healthier approach: shaping behavior through connection, not control. Building Behavior Through Connection is a practical, science-backed program that helps parents understand their child’s emotions, communicate effectively, and build cooperation without fear-based discipline. You’ll learn the difference between discipline and punishment, discover simple positive discipline techniques, and understand why kids listen only when they feel connected and valued. You’ll explore communication skills like using your child’s name for attention, offering alternatives, giving clear instructions, and asking open-ended questions that build independence and problem-solving. The course also covers age-appropriate independence for toddlers through teenagers, common parenting mistakes, and how to set healthy boundaries without power struggles. You’ll also learn how to raise emotionally resilient kids using secure attachment, mindful routines, and connection-focused mindset shifts. A full module is dedicated to digital boundaries, managing screen time, and building deeper offline family moments. By the end, you’ll have a clear roadmap for calmer homes, stronger bonding, better behavior, and a confident, emotionally healthy child.

There are many times when even great products and hard-earned content fail to move people's hearts. In an era where we often lose the essence of marketing while being dragged along by trends and algorithms, Seth Godin asks us: "What change do you want to make?" We invite you to a lecture that revisits the essence of marketing—moving human hearts and actions.

This course provides a concrete and practical understanding of the platform. And you will be equipped with the basic skills to adapt to a platform company.

In this second act of life following a 40-year career, I embark on a journey of discovering spiritual wisdom by meditating on Bible verses through classical Chinese poetry every morning. Letting go of regrets about the past and anxieties about the future, I restore inner peace by finding reasons for gratitude even amidst the deficiencies of daily life.

This is a 4-week program designed to build English speaking circuits through sentence output training rather than word memorization. Through 15 minutes of daily training involving whole-sentence memorization and a 5-step shadowing process, you will develop the ability to speak English with instant reactions without translating in your head. We focus on training mouth muscles and reaction speed rather than just injecting knowledge.