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 …
Curl Command in Linux with Examples
curl is a command-line utility for transferring data from or to a server designed to work without user interaction. With curl, you can download or upload data using one of …
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 …
Fdisk Command in Linux (Create Disk Partitions)
The first thing you need to do after installing a new SSD or hard disk is to partition it. A drive needs to have at least one partition before you …
Ls Command in Linux (List Files and Directories)
The ls command is one of the basic commands that any Linux user should know. It is used to list information about files and directories within the file system. The …
Chgrp Command in Linux (Change Group)
In Linux, each file is associated with an owner and a group and has permissions that determine which users may read, write, or execute the file. This article explains how …
Chown Command in Linux (File Ownership)
The chown command allows you to change the user and/or group ownership of a given file, directory, or symbolic link. In Linux, all files are associated with an owner and …
How to Exclude Files and Directories with Rsync
Rsync is a fast and versatile command line utility that synchronizes files and folders between two locations over a remote shell. With Rsync you can mirror data, create incremental backups …
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 …