I created these notes as a structured recap of Linux fundamentals. While following the video course, I installed the environment myself, typed each command in the terminal, and documented what I le...

Network Fundamentals and Operation Basic Network Devices An end system is a device located at the edge of a network, such as a PC or a server. It is the device that actually sends and receive...

Windows Server Free Youtube Hands on Video Lectures Lecture 0 Summary 07:10 — Introduction to the recommended hands-on practice environment 11:26 — Use an app to check whether your computer m...

CCNA Logo My progress and how I felt each week Week 1 I started reading 9tut.com, the best network tutorial. Week 2 I consistently study every day, even if I only have 30 minutes, following the...

CompTIA Security+ certificate was delivered a day after the exam Study Resources I used Professor Messer (Free Video Courses and Study Groups) A learning app created by AI My progress and ...

This reminds me of the busiest summer vacation in 2015. What is ISO 27001 certificate? ISO stands for the International Organization for Standardization. The ISO 27001 certificate evaluates wheth...

The most popular antivirus tools I used in the past. Kaspersky Kaspersky was the undisputed king of anti-virus software during its prime. It provided a distinct sense of satisfaction to run a full...

The Evolution of Windows Backup Historically, Windows was never known for its backup prowess. Unlike macOS and its seamless Time Machine, Windows backup features were often clunky, unreliable, or s...

I am sharing this post because employers are often curious whether candidates have the physical ability to lift over 30 lbs, a common requirement in many technical and field roles. The Motivation ...

The Helpdesk Life: Boots on the Ground Before joining the ROK Army, I worked as a Helpdesk at Kyung-il University in Korea. It was a physically and mentally demanding grind, but the technical field...