NOTE: Before reading this article, I would like to inform you that the ifconfig command is outdated, and is not recommended anymore. The ip command is the current replacement for the ifconfig command. Even though this program may be outdated, you may be in a system where you may need this command, so I’ll start […]
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The root user enjoys the privilege of being able to access just about anything in the Linux system. While disabling root login is an authentication strategy that might boost security, people still debate whether it’s truly effective or not. Don’t worry, in this tutorial we’re going to walk you through different ways to prevent root
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The Linux wget command is a command-line utility to download files from the internet over HTTP, HTTPS, and FTP protocols. The wget command is usually available on most Linux distros by default, but if you do not have it installed already, it can be downloaded using the package manager for your distribution. Ubuntu/Debian-based distros: (difference
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We talked about the while, for, and until loops in shell scripts in the past few tutorials now. Let’s learn the select loop in shell scripts, a very interesting and unique loop in bash. Why is it interesting or unique? Let’s find out in this tutorial today. What is the select loop in Shell Scripts?
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Continuing our series, in today’s article, we’ll go over the until loop in shell scripts. We’ve already covered for loops and while loops in shell scripts in our previous tutorials. You’ll find a lot of similarities in the while and until loop so we’ll also look at the differences between both the loops in this
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After learning the basics in our previous tutorials about if-else statements, switch-case statements, etc, it’s time to create functions in shell scripts. Functions help us divide scripts into different sections and make the code more portable as well as reusable. Defining Functions in Shell Scripts The basic syntax for defining a function is just the
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Switch case in shell scripts is an efficient alternative to the if-elif-else statement we learned previously. The concept of the switch case statements is that we provide an expression for different cases (conditions) to the statement that, when fulfilled, will execute specific blocks of commands. Let’s learn how to create a switch case block and how it
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Moving ahead with our tutorials now, let’s introduce the for loop in shell scripts in our today’s topic. We’ve already covered the while loop in our previous tutorial and used the break and continue statements to quit the while loop based on certain conditions. Let’s get right into the topic then! What’s The Difference Between
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In our Shell scripting 101 today, we’ll learn how to make use of if else in shell script and what different situations require the use of the if and else statement in Linux. A demonstrated use of “if statement” was done in our previous tutorial about break and continue statements. The different basic syntax for
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In our previous tutorial, we learned the use of the while loop in shell scripts. Now, let’s make use of the break and continue statement in Linux and manipulate the flow of loops. As we know, a loop will end if the condition supplied to it becomes FALSE. But what if you’re running a loop
Shell Scripting 101: Break and Continue Statement in Linux Read More »