Linux Command Line Tools (Full ver.)

If you study the main concepts of Linux, you can handle Linux more easily and more powerfully. I hope you build a solid foundation from the beginning!! :D

You know what Linux is and have learned some basic usage methods, but do you want to use the Linux shell better? Do you need to write Linux shell scripts? Well, it's time to learn Linux shell scripts!

This is a concept-focused lecture for beginners who are new to Kubernetes. It explains step-by-step from the background of virtualization technology to Kubernetes components, structure, and operating principles. You can easily understand Kubernetes concepts and operating principles even without hands-on practice.

This course combines topic-specific theory and programming practice to maximize learning effectiveness.

The ultimate goal of this course is to go beyond programming using IPC tools and to "develop the ability to appropriately select and design/implement IPC tools that fit software requirements."

Linux, the most widely used operating system for servers worldwide. This is a story about the basic commands of CLI (Command Line Interface), the first step to freely handling Linux, and shell scripts created by combining those commands. This lecture resolves the questions and concerns that anyone interested in Linux would have had at the beginning.

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.

When you join a company and start a project, you will start with setting up the server. At this time, you will not be able to set up properly without understanding the cloud and Linux. Learn the technologies and techniques for the cloud and Linux through this lecture!

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.

✅ 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

Let's experience collaborative application development in a Linux shell and open-source software environment, and set up the development environment required for coding!

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

This course puts an end to Linux server operational vulnerabilities caused by incorrect permissions. Master file and directory permission control based on real-world industry standards.

We will create a remote development environment using VS Code and extensions, and learn about WSL and code-server, a VS Code used on the web.

Now I can analyze the Linux kernel too! The easiest kernel lecture among Linux kernel lectures.

This course proceeds in stages, similar to the actual work, by learning and applying the necessary knowledge while configuring the infrastructure.

The author of 'Linux Kernel Structure and Principles Learned Through Debugging' properly explains the core concept of the 'interrupt bottom half' in the latest Linux kernel (v6.1), most used in system software.

Software development roles in the defense industry: ✔ Have different hiring criteria compared to general IT companies ✔ Use specialized tech stacks and development methodologies ✔ Offer very little information on how to effectively highlight your major, career, and projects. This course: 👉 Provides the perspective of a software developer who has experienced actual defense projects and hiring processes 👉 Explains how defense companies evaluate software developers 👉 Focuses on specific case studies to show you how to prepare your resume, interviews, and projects to increase your chances of success. This course transforms the state of "wanting to become a defense software developer but having no idea what to prepare" into a "clear roadmap you can start following right now."

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

Creating an application on Linux (Ubuntu OS). (Cross-platform application development)

The author of "Learning the Structure and Principles of the Linux Kernel through Debugging" properly explains the core interrupt concepts of the latest Linux kernel (v6.1), most used in system software.