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 …

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 …

Bash Source Command

The source command reads and executes commands from the file specified as its argument in the current shell environment. It is useful to load functions, variables and configuration files into …

How to Setup Passwordless SSH Login

Secure Shell (SSH) is a cryptographic network protocol used for secure connection between a client and a server and supports various authentication mechanisms. The two most popular mechanisms are passwords …