How to Use the WP-CLI Command-Line Tool on Linux

WordPress is one of the most popular and user-friendly CMS (content management systems) available on the market and can be easily used by coders and non-coders. The biggest reason for its popularity can be said to be its intuitive admin interface and plugin support, which

Clean Up Unwanted APT Packages in Linux

New Linux users often install a lot of unnecessary APT packages that they might rarely use in the future. Also, a few bulky distributions come with many pre-installed APT packages. When the Linux system is running low on disk space, it becomes necessary to clean

What is /dev/zero in Linux and its Uses

In this article, you will learn what the “/dev/zero” file is and what its purpose is, but before you understand that, you must know what the special files in Linux are. What are “Special Files” in Linux? In Linux, a “special file” is a type

Mount and Unmount File Systems in Linux

The mount command in Linux is used to mount a file system or removable storage devices like USB flash drives to a specific point in the directory tree, known as the “mount point”. This allows files and directories on the file system or storage device

Learn Linux dd Command with 17 Examples

The dd command is a command-line utility that is abbreviated as “Data Definition“, “Data Duplicator“, or “Disk Dump” depending upon the usage, but it’s commonly known as a utility for copying and converting data in Linux. It can copy data from a file or block

Block/Unblock Ping ICMP Requests in the Linux System

Ping is the most commonly used command-line utility used by many sysadmins or network engineers to check whether a target machine is up or down in a given network. We already discussed how this command works in a separate article; click here to read it.

How to Kick Out SSH Users from the Linux System

As a sysadmin, when you are working on a remote system or server, multiple users might be accessing the same system via SSH simultaneously. Active users can gently disconnect from the server by issuing the “exit” command in the terminal once they are done with

What is File Globbing in Linux?

If you have ever used wildcard characters like (*) or (?) for global selection, then you are already interacting with file globbing, but let’s get a proper picture of it with its introduction. What is Linux File Globbing? File globbing is a built-in shell operation

How to List All Logged-In Users in Your Linux System

Have you ever been curious to know who is connected to the remote machine or server you have been working on? I mean, who doesn’t want to do that? Look, listing all the user accounts in your Linux system is quite an easy task, but

List of Special Parameters in Bash with Examples

In this article, you will learn what the difference is between variables and parameters, what special parameters are, and a list of predefined special parameters in Bash. What are “Special Parameters” in Bash? Before you can understand what special parameters are, you must first understand

Check If You Are Using SystemD or Not in Linux

This article will show you three methods for determining whether your Linux system is using systemd or another init system. If you are unfamiliar with this term, check the following section; otherwise, skip to the next section. What are Init and SystemD in Linux? The

What Are the Different Types of Linux Shells?

The UNIX/Linux shell is a command-line program that creates a bridge between the terminal emulator and kernel to allow users to enter commands, execute programs, and perform various other tasks by typing commands at the command prompt. Once the shell has finished executing the user