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In the world of Linux, ‘sudo’ is a crucial command. It stands for “superuser do” and allows certain users to execute commands with superuser or root privileges. But what does this really mean? And more importantly, how can you use it effectively and securely? Let’s dive in. Basic Concept of  ‘sudo’ The ‘sudo’ command is …

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In the Linux system, file operations and user management are two very important concepts, which are crucial for the normal operation and maintenance of the system. Below I will introduce some basic operations on these two topics. Linux File Operations Linux File System for New Learners: An In-Depth Guide In-Depth File Type Understanding Linux file …

Read More about Day 2: Mastering Linux File User and Disk Management: Essential Commands and Techniques for System Administrators

Linux Common Commands Linux commands can be categorized based on their functionality. Here are some main categories along with some common commands in each category: 1. File and Directory Operations ls – List directory contents. cd – Change the current directory. pwd – Print the current working directory. mkdir – Create a new directory. rmdir …

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I’ve been there—faced with a Linux server that’s slower than molasses in winter. It’s a headache, but it’s a common one. Fortunately, after many late nights and countless cups of coffee, I’ve honed a few strategies to get my server back up to speed. Let me take you through my troubleshooting journey. How I Check …

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Let’s face it, technical interviews can be nerve-wracking! You want to showcase your skills, land the job, and avoid any silly mistakes that might trip you up. But sometimes, those same mistakes keep popping up, leaving you wondering what went wrong. Well, I’ve been there! Through my own technical interview experiences, I learned some valuable …

Read More about How I Overcame Interview Anxiety and Aced My Tech Interviews

Remember those early days of using Linux? It felt like the Wild West of computers! You could customize everything, which was awesome, but there was always this nagging worry in the back of your mind. What if you accidentally downloaded something bad with all those cool-sounding programs? Every time you clicked “install,” it felt like …

Read More about From Vulnerable to Secure: My Journey to Block Malicious Packages on Linux

Remember those days when fixing stuff on your Linux computer involved typing out the same commands over and over again? It felt endless! Then, I learned about these things called “for loops” in Bash scripting, and let me tell you, they were a lifesaver. Now, I can handle those repetitive tasks in just one line …

Read More about From Repetitive Tasks to Looping Magic: My Bash for Loop Journey

In my journey with RPM-based Linux distributions, I’ve encountered numerous scenarios where understanding the contents of an RPM package became essential. Whether it’s for troubleshooting issues or gaining insights into system modifications, exploring RPM packages has been a valuable skill. Let me share with you my comprehensive guide on listing files within RPM packages. Getting …

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OpenAI Prepares to Shake Up Search OpenAI, known for its innovative AI models, is reportedly set to announce a new search product, marking a significant shift in the search landscape. This move positions them as a direct competitor to Google, the current king of online information retrieval. The announcement, strategically timed for just before Google’s …

Read More about OpenAI’s AI Search Engine: A Challenge to Google’s Dominance?