How to Use Bash For Loop with Examples in Linux
In programming languages, Loops are essential components and are used when you want to repeat code over and over again until a specified condition is met. In Bash scripting, loops …
How to Fix “bash syntax error near unexpected token” in Linux
Bash (Bourne Again Shell) is a command-line program that accepts commands provided and executes them. It takes Linux commands directly typed into it interactively from a keyboard or from a …
Bash see if an input number is an integer or not
While working on the bash shell script wrapper, I needed to ensure that I only passed an integer in the Bash script under Linux and Unix-like systems. Here is how …
How to Use Bash For Loop in Linux
In programming languages, Loops are essential components and are used when you want to repeat code over and over again until a specified condition is met. In Bash scripting, loops …
How to convert JSON to CSV using Linux / Unix shell
Today I will talk about a common problem faced by many Linux or Unix sysadmins and developers. Typically modern apps and security devices heavily depend upon APIs and lists that …
How to trim leading and trailing white space in bash
So I have this specific use case where I get data in a comma-separated values (CSV) file. I pick up the company name, address, telephone, email, and some other data …
How To Create GUI Dialog Boxes In Bash Scripts With Whiptail In Linux
A while ago, we briefly discussed about Zenity, a simple program that allows you to create graphical (GTK+) dialog boxes in command-line and shell scripts. In this article, we are …
How to Setup SSH Passwordless Login in Linux [3 Easy Steps]
SSH (Secure SHELL) is an open-source and most trusted network protocol that is used to log in to remote servers for the execution of commands and programs. It is also …
Bash Scripting – Variables Explained With Examples
Variables are very important concepts in any programming language you work with. Think of a variable as a container in memory that stores data of a certain type. The main …
Bash Redirection Explained With Examples
Redirection and piping are two useful features in bash scripting that sysadmins and developers use often. In this guide, we will discuss what is Bash Redirection and how to work …