how to 🪄 How to Configure a Firewall with UFW on Ubuntu Server. One of the first lines of defense in securing your Ubuntu server is a well-configured firewall. In this guide, you'll learn how to set up and manage UFW (Uncomplicated Firewall) to control traffic and lock down unnecessary access — simply and effectively.
SSH 🕳 What the heck is SSH? Secure Shell (SSH), sometimes referred to as Secure Socket Shell, is a protocol that enables secure connection to a remote computer or server through a text-based interface.
NGINX What the heck is NGINX? Today we will be covering NGINX, an open source web server and the main alternative and competitor to the Apache HTTP Server.
linux 🐧 What exactly is a daemon? A daemon (pronounced DEE-muhn) is a program that runs continuously in the background, designed to handle periodic service requests that the system expects to receive.
how to 🪄 How to Configure Static IP Address on Ubuntu Server. In this tutorial, you will learn how to configure networking in Ubuntu 20.04 with Netplan. You will learn how to set static IP addresses, DHCP addresses, as well as how to configure DNS.
shell 🛠️ What is "the Unix Shell"- Bash, Fish, Ksh, Tcsh, Zsh. Simply put, the shell is a program that takes commands from the keyboard and gives them to the operating system to perform.
linux 🐧 Is Linux an Operating System or a Kernel? One of the most common questions you’ll encounter on tech forums is whether Linux is an operating system or just a kernel. Even for experienced Linux users, this question can sometimes cause confusion. 🤷♂️🥷🏿
linux 🐧 What is Linux Kernel? The Linux kernel is the core component of the Linux operating system. It acts as a bridge between a computer’s hardware and its software applications. Here’s a more detailed breakdown of what it is and what it does: