Complete guide to creating MySQL databases: CREATE DATABASE commands, utf8mb4 character set configuration, working with phpMyAdmin, backup procedures, and practical examples for various usage scenarios.

Complete guide to creating MySQL users and managing access permissions. Commands CREATE USER, GRANT, REVOKE, practical examples for different scenarios, and database security best practices.

Complete guide to the sed command for text editing from the Linux command line. Text replacement, line deletion, regular expressions, and practical examples for system administrators.

The name stands for "concatenate", meaning to join things together. But most people just use it to quickly view files in the terminal. Though it can do much more - create files, merge multiple documents into one, and plenty of other useful

Sometimes, a device on your network needs a permanent IP address — like when you’re setting up a server, a VPN, or a storage system. In this guide, we’ll walk you through how to assign a static IP in Ubuntu 22.04 using Netplan.

Sometimes you need to quickly figure out which process is running under a specific PID. In this guide, we’ll show you how to do that — but first, let’s briefly go over how processes work in Linux. Whenever you or the system launches a program, the

In this article, we’ll break down how the shutdown, poweroff, halt, and reboot commands differ in Linux. We’ll look at what each command actually does and what options they offer. If you’re just getting started with Linux server administration, it’s

When you decide to set up your own mail server, the first thing that comes to mind is reliability. You need a tool that can handle the email traffic, won’t crash at the worst possible moment, and won’t trap you in endless complicated configurations.

The Linux operating system is known for its security and flexibility, allowing users to configure the system to their needs. One of the useful features of Linux, as well as other Unix-like systems, is the support for multiple users.

Using outdated commands is not uncommon among Linux users. For instance, you might have learned about a utility many years ago from a tutorial or manual and continued using it out of habit, even though a more modern and convenient alternative