Notepad

Certbot Commands for Ubuntu (Cheat Sheet)

January 26, 2026January 26, 2026 AL2Meta

1️⃣ Installation & Setup Commands Install Certbot (recommended way) Installs Certbot core only. Install Certbot plugin for Apache ✔ Needed if you use Apache✔ Enables automatic Apache configuration

Terms

SQL

January 26, 2026January 26, 2026 AL2Meta

SQL stands for Structured Query Language. SQL is a standard language used to communicate with relational databases—to store, retrieve, update, and manage data. In simple terms:👉 SQL is

Terms

MariaDB

January 26, 2026January 26, 2026 AL2Meta

MariaDB is an open-source relational database management system (RDBMS) and a drop-in replacement for MySQL. MariaDB stores and manages structured data using SQL, just like MySQL—but it’s developed

Terms

MySQL

January 25, 2026January 25, 2026 AL2Meta

MySQL is an open-source relational database management system (RDBMS). MySQL is software used to store, organize, and retrieve structured data using SQL (Structured Query Language). In simple terms:👉

Terms

Perl

January 25, 2026January 25, 2026 AL2Meta

Perl is a high-level programming language designed for text processing, scripting, and system automation. Perl (Practical Extraction and Report Language) is an interpreted language known for its powerful

Terms

Apache

January 25, 2026January 25, 2026 AL2Meta

Apache HTTP Server is an open-source web server software that delivers web pages and other content to users’ browsers over the internet using HTTP/HTTPS. In simple terms:👉 Apache

Terms

PHP

January 24, 2026January 24, 2026 AL2Meta

PHP is a server-side scripting language used mainly to build dynamic websites and web applications. PHP stands for PHP: Hypertext Preprocessor. It is a widely-used, open-source, server-side scripting language primarily

Terms

XAMPP

January 17, 2026January 18, 2026 AL2Meta

XAMPP is a free, open-source software package that provides a local web server environment for developing and testing websites on your computer. XAMPP stands for X (Cross-Platform), Apache, MariaDB (formerly MySQL), PHP, and Perl.

Apps Notes

How to Change XAMPP’s Root Directory to a Custom Folder?

January 17, 2026January 18, 2026 AL2Meta

XAMPP’s default web root directory is htdocs (C:\xampp\htdocs). When you start XAMPP’s Apache Server, the domain https://localhost/ automatically points to this folder. Any files or projects placed inside

Terms

JavaScript

January 17, 2026January 18, 2026 AL2Meta

JavaScript is a high-level, interpreted programming language primarily used to make websites interactive. It runs in web browsers (like Chrome, Firefox, or Edge) and allows developers to create

Notes Websites

8 Websites to Cure Boredom

January 16, 2026January 16, 2026 AL2Meta

In today’s digital world, boredom is only a click away from being cured. Whether you’re looking to play quick games, explore creative tools, learn something new, or simply

Terms

CSS

January 16, 2026January 16, 2026 AL2Meta

CSS stands for Cascading Style Sheets. It is a language used to style and design web pages—specifically, to control how HTML elements look and appear in the browser.