© 2026 Hashnode
Linux Linux is an open-source operating system (OS) based on Unix principles. It acts as a bridge between computer hardware and software applications, managing system resources like CPU, memory, storage, and devices. It was originally created in 1991...

1. Introduction Every DevOps or Cloud Engineer starts somewhere — and for me, that place was the Linux terminal. In this blog, I’ll share how I went from learning the basics of Linux to hosting my first website on AWS — all using simple commands and ...

1. User Management Managing users is crucial in any Linux system, whether for security or resource allocation. Create a User Use the useradd command to create a new user. sudo useradd newuser sudo passwd newuser Delete a User Remove a user and their...

Whether you're a student exploring Linux for the first time or a professional managing your Ubuntu server, having a handy reference can make all the difference. This blog post is designed to be your go-to cheat sheet for essential Linux commands, hel...

Linux file permissions is essential for anyone who works as a devops engineer and manage a Linux system. Each file and directory has permissions that direct who can read, write, or execute them, represented by a string like -rwxr-xr--. Let’s unders...
