In this tutorial, we are going to learn how to use grep command in Linux. We use grep command to search within files or output of text. Grep command can also be combined with other commands with the use of the pipe “|” operator. The grep command in Linux can be used to search a …
Wondering how to use the diff command in Linux and want to know what the Linux diff command is? This article will help you understand the command well and answer the question about the usage of the diff command. The main usage of the diff command is to find the difference between two files in …
How to install Kali Linux on Virtualbox? In this tutorial, we’ll walk you through the easiest way in which you can install Kali Linux on your VirtualBox. Ready to roll? Let’s go! What is Kali Linux and Why Do People Use It? Kali Linux is one of the best Linux distributions created for penetration testers. …
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In this tutorial, we’ll go over the chown command in Linux. The Linux operating system is designed to be secure and allows file access to only those users who have the required permissions. Each file has specific owners and only those owners can view or edit the files. Let’s go over the chown command in …
In this tutorial, we are going to discuss how to use the cut command in Linux. The cut command is used in Linux or Unix based operating systems. “Cut” simply means to snip a portion from a particular thing. Similarly in Linux, the cut command is used to snip a portion from a file or …
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In this tutorial, we will learn how to use the echo command in Linux. You might have heard an echo in science where it is considered as repeated sound. Here, it is totally different. Don’t mess Linux commands with science’s terminologies. Folks don’t get confused with this. The echo command in Linux is one of …
The time command in Linux is used to determine how long a given command will take to run. We use the time command to test the performance of scripts and commands. What’s the Need for the time Command in Linux? If you’re a system administrator working on a Linux system, it is necessary for you …
In this tutorial, we’ll be going over the Linux watch command and how we can utilize it in our Linux administration work. Essentially, the watch command is a utility that allows us to continually execute a command at specific intervals and monitor the differences between the outputs. Why could this be useful? For a lot …
In this tutorial, we are going to discuss how to install Apache Kafka on Ubuntu. What is Apache Kafka? Apache Kafka is an open-source stream-processing software platform developed by LinkedIn and donated to Apache Software Foundation, written in Scala and Java. In simple terms, Kafka is a messaging system that is designed to be fast, …
Adding users to Sudoers file in Linux is really easy. You can do it either by manually editing the file or with the use of the usermod command. Either of the methods is fine, the latter being more “clean”. In this tutorial, we’ll go over both the methods in a step-by-step manner. Note: To add …
Adding Users to Sudoers in Linux – A Step-by-Step Tutorial Read More »