Most of the Linux Distributions don’t allow ‘root’ user also known as superuser by default as a security measure to prevent accidental or intentional changes that could harm the system. Especially in an enterprise setup, this would mean disaster. Instead, it uses a feature called sudo, which allows authorized users to perform administrative tasks without […]
Adding users to sudoers file on Ubuntu Linux Read More »
There are multiple ways of setting hostname in Debian or Linux system. You can temporarily change the hostname, or permanently apply the changes to a system. Let’s go over these methods. Setting hostname temporarily Let’s start with the temporary and simple method. The hostname command in Debian allows you to set up the system hostname
Setting Hostname in Debian Read More »
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
Methods to Enable or Disable Root Login in Linux Read More »
When you use the sudo command for the first time, you see the message “With great power, comes great responsibility.” And rightly so. “Sudo” is short for Superuser Do. With this command, any user who has been granted permissions has access to root-like privileges without having to be a super user. Also read: Shell Scripting
Sudo Command in Linux/Unix Read More »
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?
Shell Scripting 101: The select Loop in Shell Scripts Read More »
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
Shell Scripting 101: Until Loop in Shell Scripts Read More »
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
Shell Scripting 101: Functions in Shell Scripts Read More »
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
Shell Scripting 101: Switch Case in Shell Scripts Read More »
With windows, you have a couple of well-known GUI utilities like WinRAR, 7zip, etc. that allow you to play around with archived files. What do you do in the case of Linux? The answer is – Linux zip and unzip commands. These are very simple yet powerful commands that allow you to play around with
Linux Zip and Unzip Commands Read More »
With a boom in back-end web development technologies, working with the right framework can make or break your web development efforts. Python Flask is one of the many good frameworks out there. Flask is a popular Python web framework that enables the rapid development of web applications. Since most developers prefer working in Linux as
How To Install Flask on Ubuntu Read More »