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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Changing the SSH port on Linux is pretty easy and straightforward. As it is with most of the packages that are available for any Linux distribution including Ubuntu, they come with a configuration file. Let’s modify that configuration file and update our port to something that’s not so commonly available. Change SSH Port in Linux
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The kill command in Linux is used to send a signal to a process or a group of processes. The name, unfortunately, chosen as kill, instead of signal, does not need to necessarily kill a process. As we will see, based on the values passed to it, it sends an appropriate signal to the Process
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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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PING (Packet INternet Groper) is a network administration utility used to check the connectivity status between a source and a destination computer/device over an IP network. It also helps you assess the time it takes to send and receive a response from the network. Basic Principles behind ping Command Whenever there is a requirement to
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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
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Tired of using the same old default hostname that comes with your Ubuntu 18.04 server, and want to change it? And you want to do it now, without having to restart? Oh yes, you can do both!! Let us see how to change the hostname of our Ubuntu server. It’s just a few simple steps.
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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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The chmod (change mode) command in Linux is used to change the access mode of a file, based on the type of user accessing the file and the type of permission associated with accessing the file. File Permissions and User Groups For understanding what the types of permissions and the types of users are, let
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When using Linux, you are going to almost always be hooked to the terminal. And one of the common commands that you’ll have at the back of your hand will be the “ls” command. Also read: The mkdir command in Linux Getting Started with the ls Command in Linux Before we dive into the syntax
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