Introduction to Apache Kafka: Fully Understanding Through Illustrations

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.

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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.

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.

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.

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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.

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.

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.

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

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.

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.

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Beginner's Kafka & Spark Real-time Pipeline Course. All-in-one: Master concepts to architecture.

Master building scalable, fault-tolerant, event-driven applications using Go and Apache Kafka. Learn production-ready distributed system architecture used by modern companies for microservices, financial platforms, and real-time analytics. Gain hands-on experience with Kafka components and Go concurrency patterns to handle high-throughput workloads.

I'll show you everything about how to build servers for stateful services and how zero-downtime deployment works.

We have gathered Apache Kafka application programming knowledge used in real environments! We will take a look at and practice various functions of Apache Kafka that are key to building data pipelines.

From the core of Kafka to in-depth content on internal mechanisms, the course is structured so that even beginners can quickly reach the expert level through detailed theoretical explanations, hands-on practice, and practical Kafka application development practice.

This is a course where you can learn UML and object-oriented design even without programming experience. Concepts are explained through everyday examples (cafes, libraries, shopping malls), and you'll learn 9 types of UML diagrams step by step. You'll develop design skills that can be immediately applied in practice using theory and PlantUML.

Uncover true value in the age of data! 📊 Designing applications focused on data has now become essential. Develop the insight and skills your company wants with the latest trends and practical case studies. Start now with efficient data processing and design secrets! Your next step, leap into the data-driven world!

In an era where AI writes code for you, will you remain a 'Coder' or leap forward to become an 'Architect'? This course is designed for junior developers who can handle basic implementation but feel stuck about the next steps or are anxious about falling into the trap of 'fake experience'. We aim to go beyond simply learning clean architecture theory and turn Robert C. Martin's (Uncle Bob) high-level design principles into weapons for the AI era.

Kotlin mastery via virtual payment server course.

IntelliJ IDEA Conf 2025 is an annual online conference hosted by JetBrains that provides valuable sessions for Java and Kotlin developers. It covers various topics including AI adoption, Spring Boot, Gradle, Kafka, database management, and also shares insights on cloud integration, secure coding, developer performance improvement, and advanced development techniques. This conference is open to both professional and beginner developers, offering opportunities to explore the latest technologies along with productivity tips for writing high-quality code faster.

A former AWS employee explains what a well-architected framework looks like within AWS. We will cover how to build an architecture that starts small and scales to handle massive traffic. You will learn various AWS services through a hands-on approach, solving the diverse challenges encountered when designing architectures for high availability and security.

Learn the basic, essential, and practical knowledge of Kafka that software developers need to know. We will integrate Kafka using Spring Boot and conduct hands-on exercises for sending and receiving messages tailored to various real-world scenarios.

Regardless of the field! This is a lecture that covers the core fundamentals that developers must know in practice in an easy + code-oriented way. I highly recommend this lecture to all junior developers and job seekers who want to grow.

I'll show you how to use Redis effectively, along with its precautions and best practices, using real-world examples from actual work environments and well-known case histories.

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This course guides you to accurately understand essential programming concepts and theories that are often neglected in the rush of implementation. By learning similar, contrasting, and related concepts together, you will master multiple ideas at once. After completing this course, you will become a developer with a solid conceptual foundation.

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Learn systematically from the basic usage to the advanced features of Zabbix, an essential tool for effective monitoring of IT infrastructure. We offer the opportunity to grow into a monitoring expert using Zabbix through real-world application examples.

This is the process of designing and implementing applications and directly designing and configuring Cloud infrastructure architectures to run developed programs in a Cloud environment.