Learn how to use the du command in Linux to check disk usage, find large files and directories, and free space using practical, real-world command examples. It is a standard command used to estimate space usage (meaning, in the terminal we can find the exact size each directory and file takes up). There are multiple […]

The find command in Linux/Unix is known to be one of the most important and frequently used commands for searching  files and directories. It supports different arguments and options for finding files and directories. Even if you can search files and directories in Linux via GUI it will be more friendly and easier to use, […]

On Linux/Unix platforms, the 'ls' command is one of the most frequently used commands. This should be one of the first commands you train when you enter the shell/command prompt. This guide will teach you how to use the various options of 'ls' command. All the below examples of the 'ls' command are tested on […]

The echo command in Linux is an essential tool for scripting and programming. The purpose of the echo command in Linux primarily displays or prints various arguments on the terminal screen. Additionally, the command can be used to create and modify environment variables, manage file input/output, and execute shell commands. This is a highly versatile […]

By using the cron command, we can schedule and run many tasks automatically in Linux/Unix. You can execute them once or on a regular basis. Cron is widely used to schedule repetitive tasks at regular intervals (using commands listed in a file called 'crontab'), and the 'at' function is a way of scheduling a task […]

The 'cat' command is one of the most frequently used commands in Linux (short for "concatenate"). This is a standard Unix application that concatenates and displays files. There are three functions associated with text files (1. By using the cat command, we can see the contents of a file on screen. Cat concatenates FILE(s) or […]

LAMP stands for Linux, Apache, MySQL, and PHP. An acronym for a Linux/UNIX server powered by Apache, MySQL/MariaDB, and PHP as a server-side scripting language. Also known as LAMP stack. Lamp Stack has a strong foundation, which makes it ideal for construction and development of high-performance websites. Advantages of using Lamp stack in web development? […]

In this article, you will learn how to configure a Domain Name System on a Linux or Unix-based environment. This service is responsible for hostname resolution, allowing systems to translate IP addresses into fully qualified domain names (FQDNs), such as converting 172.217.166.110 into www.linuxteck.com. It forms one of the core building blocks of the internet. […]

Using this article, you will learn how to setup / configure Caching-Only DNS with BIND on RHEL/CENTOS 7.6. As we know, DNS is used for translating names into IP addresses and IP addresses into names. DNS servers come in various types (Master, Slave, Caching, and Forwarding). The topic we are going to cover is Caching-Only […]