The easiest Linux kernel lecture in Korea

I will explain what embedded development is. I will provide a clear explanation of the concept without any vague or abstract descriptions.

The author of "Learning the Structure and Principles of the Linux Kernel Through Debugging" provides a proper explanation of the core concepts of 'Interrupt Bottom Halves' in the latest Linux kernel (v6.1), which is most widely used in system software.

From Theory to the Field: Proving Core Competencies of a Security Expert through Wazuh+ELK SIEM Implementation Design and operate a Threat Hunting system, the core of security monitoring, firsthand. Through hands-on practice based on real-world attack scenarios, transform into a professional security engineer capable of delivering immediate results in the field.

✅ Out of the entire series (1) ~ (7), (5) operating system, user interface, database ✅ CS101 series lectures - From basic computer theory to the latest practical examples - Provides a wide range of basic knowledge

An introductory course to experience the entire flow of embedded development, from Linux installation to robot control. When starting with embedded systems, it can be overwhelming to know where to begin. This course is designed for those people, structured so you can experience the entire process—from a single PC to moving a robot—all at once. We cover everything from Linux installation, basic configuration, and Raspberry Pi preparation to reading schematics and datasheets, as well as hands-on practice with basic communication interfaces. The focus is on understanding the overall structure rather than deep technical complexity.

You can learn about the basic structure and operating principles of computer hardware, design methods, and OS, and acquire the knowledge necessary to create good programs.

Through this lecture, you can systematically learn core concepts such as an overview of readv/writev, understanding struct iovec, utilizing readv, utilizing writev, and performance considerations.

You need to have a solid understanding of the basic principles of operating systems to understand advanced programming techniques. This lecture is a specialist-level lecture on the dinosaur book, which can be called the bible of operating systems.

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.

We explain the core concepts of computer architecture and operating principles that SW developers need to know, using easy-to-understand illustrations.

From the fundamentals of systems engineering to security setup, this course will guide you along the way.

We'll teach you essential Windows System programming skills for developing games and applications for Windows.

This is a hands-on course where you'll build an AI-based autonomous driving car using Raspberry Pi and various sensors.

This course proceeds in stages where you learn and apply necessary knowledge while building infrastructure, similar to real-world practice.

Bestseller 『Study Computer Architecture + Operating Systems on Your Own』 author's free lecture. A collection of computer architecture and operating systems books that developers must know.

I have been working in the IT field for 20 years in development and construction. I would like to be a good guide for those who are entering or starting out in the development field.

This course puts an end to operational vulnerabilities in Linux servers caused by incorrect permissions. Completely master file and directory permission control based on real-world practical standards.

This is a 'Practical Linux Troubleshooting Course' where you analyze and solve problems together with generative AI, based on a Docker practice environment that reproduces 5 representative failures that occur in actual Linux operating environments. Even those who were overwhelmed about where to start examining problems can learn the problem-solving approach and thought process of field engineers through AI guidance.

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

This is a C programming course for those who wish to pursue a path as a professional developer rather than just a hobbyist. I recommend this to those who are willing to learn through bitter and rigorous study to reach a sweet destination!

Linux for Beginners: Mastering the Command Line. The ultimate course for Linux administration in corporate jobs. Unlock the power of the Linux operating system with this comprehensive beginner-friendly course. Whether new to IT or wanting to advance technical skills, this course will take one from zero to proficient in Linux fundamentals. Learn to navigate the command line, manage files and directories, handle permissions, and automate tasks with shell scripting. What You'll Learn: How to Navigate the Linux File System and Master the Command Line Managing users, groups, and file permissions for secure access Installing, updating, and removing software with package managers Basic system administration and troubleshooting skills With hands-on labs and real-world examples, you’ll quickly build confidence in managing Linux environments. By the end of this course, you’ll have a strong understanding of essential Linux concepts like file permissions, process management, and network configuration. Also, this course covers basic networking, disk management, and process monitoring. Whether you have a career goal in the realms of DevOps, cybersecurity, or cloud engineering, learn Linux today to make more career opportunities pop open in IT, DevOps, SRE, Support, IT helpdesk, IT Admin, cybersecurity, or software development! Practical Skills for Self-Confidence on Any Linux-based System Boost Your Tech Portfolio