6 SSH Authentication Methods and How to Use Them
As more companies migrate their services to the cloud and more people continue to work remotely, a secure…
Using the chown Command to Change File Ownership in Linux
In Linux, when a file is created, its ownership is granted to the user who created it. However,…
Install and Use Oh My Zsh Framework for Zsh on Linux
zsh (Z Shell) is a very popular Unix shell. It’s similar to Bash but comes with many added…
How to Install Zsh on Linux
zsh (Z Shell) is a very popular and highly customizable shell for Linux and Unix-like operating systems. It…
DNS: What Is It, What Is It Used For and How It Works
As you may know, computers use IP addresses to connect with each other and communicate. However, humans use…
How to Concatenate Strings in Bash
String concatenation is the process of joining two or more strings together to form a single string. In…
How to Delete Group in Linux Using groupdel Command
In Linux, groups are collections of user that share some common attributes, like permissions or access to certain…
How to Change User Password in Linux
In this tutorial we’ll explain how to change user passwords in Linux, from the command line, using the…
Find Large Files and Directories in Linux
There are times when our system is running out of disk space. We may need to find these…
How to Use the du Command to Find Disk Usage in Linux
The du (Disk Usage) command reports the estimated amount of disk space used by files and directories on…
How to Use mkdir Command to Create Directories in Linux
The mkdir (Make Directory) command creates directories (referred to as folders on some operating systems) from the command-line.…
How to Use the SCP Command to Securely Transfer Files
SCP (Secure Copy) is a command-line utility that allows you to securely copy files from one computer to…