OMKAR GOSWAMIsavor-the-flavor-of-linux-in-devops.hashnode.dev·Feb 10, 2025Linux for DevOpsWhat is an Operating System (OS)? An Operating System (OS) is system software that manages hardware resources and provides essential services for applications. It acts as an interface between the user and the computer, enabling seamless interaction. ...1 likeLinux
ZOHEB IQBALtechwithzoheb.hashnode.dev·Feb 8, 2025Shell Scripting RevisionHere are Shell Scripting Revision Notes for quick reference. 🚀 1. Basics of Shell Scripting What is a Shell Script? A shell script is a file containing a series of Linux commands. It automates tasks that you would normally run manually in a termi...1 likeshell script
Aadarsha Dhakalblog.aadarshadhakal.com.np·Feb 1, 2025Unattended Upgrades: A Love-Hate Relationship?Since Ubuntu 16.04, unattended upgrades have been a standard feature. I think, at first glance, the idea of automatic security updates sounds fantastic. It's like having a little helper constantly patching those pesky vulnerabilities while you sleep ...41 readsunattended-upgrades
Syeda Maham FahimforfreeCodeCampfreecodecamp.org·Jan 30, 2025What is a Process ID? How to Use PIDs for Process ManagementHave you ever wondered how a computer knows which program’s output to display, especially when multiple programs are running simultaneously? This is possible because of the Process ID (PID). A PID is a unique identifier that helps the operating syste...System administration
Faizan Khanfaikhan-ec2.hashnode.dev·Jan 20, 2025Born to be rootDuring the setup of my EC2 instance, I faced several challenges. My goal was to host a website on a cloud-based machine, but unfortunately, I wasn’t successful. However, I did identify the reasons behind the issues, which I’ll discuss later. As an al...virtual machine
Hardik Tcodehardik.hashnode.dev·Jan 19, 2025Introduction to Linux: Start Your Learning Journey TodayThis journey will guide you in learning Linux from basic to advanced levels, clarifying your concepts about Linux. The learning approach here emphasizes hands-on practice with less focus on theoretical aspects. Therefore, I recommend having a Linux s...Linux
danielsubnetting-demystified.hashnode.dev·Jan 2, 2025Understanding Subnetting: Key Concepts and Real-World ImportancePrerequisites The goal of this article is to give you a clear understanding of what subnetting is, its importance, and a real-world example of subnetting in action. To fully grasp the concepts in this article, you need a good understanding of what an...2 likesSystem administration
Adesh Patilselinux-chronicles.hashnode.dev·Dec 30, 2024SELinux for Developers: Integrating Security into Your WorkflowWhat is SELinux? Security-Enhanced Linux(SELinux) is a security architecture for Linux system that allows administrators to have more control over who can access the system. It was originally developed by US National Security Agency (NSA) as a seri...1 likeSELinux
Pratulmyspace233.hashnode.dev·Dec 23, 2024Getting Started with Shell ScriptingLINUX I'm excited to continue my DevOps learning journey alongside my new role as a Level 2 Server Engineer. This position will not only allow me to gain hands-on industry experience but also help me deepen my understanding of technologies directly r...37 readsLinux
BHAVESH PATILparanerdzops.hashnode.dev·Dec 23, 2024Setting Up and Mounting a External Disk in RHEL: Step-by-Step GuideThis guide explains how to verify, partition, format, and mount a new disk (/dev/sda) on Red Hat Enterprise Linux (RHEL). Each step includes commands and detailed explanations to simplify the process. Prerequisites Before we start, ensure you have: ...101 readsRHEL
