How to Enable SSH on Ubuntu 20.04

Secure Shell (SSH) is a network protocol used for a secure connection between a client and a server. Each interaction between the server and a client is encrypted. This tutorial …

Bash printf Command

Typically, when writing bash scripts, we use echo to print to the standard output. echo is a simple command but is limited in its capabilities. To have more control over …

How to Install VirtualBox on Ubuntu 20.04

VirtualBox is open-source cross-platform virtualization software that allows you to run multiple guest operating systems (virtual machines) simultaneously. Generally, Virtualbox is used by desktop users as a testing and development …

Using Curl to make REST API requests

An application program interface (API) is a set of definitions and protocols that allows software programs to communicate with each other. The term REST stands for representational state transfer. It …