The alias command in Linux is used to make a shortcut or an alternative name for an existing command. So instead of re-typing the same commands with all the options over and over again, you can create a shorthand for the same and make it simpler to use in the future. How to use the
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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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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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In this tutorial, we’ll learn how to set environment variables in Linux manually. When using Linux, the Kernel sets up the environment with default values for a lot of variables that we would need to use. This includes the default paths, languages, default shell, home directory, and more. Let’s go over how and where Linux
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CouchDB is a free and open-source fault-tolerant database made and maintained by the Apache Software Foundation. It is a very good choice for a NoSQL type database, where you do not want a relational database. In this tutorial, we shall see how to configure and install the latest version of CouchDB from the Command-Line. Step
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The hosts’ file is an extremely useful albeit small text file that stores host names with associated IP addresses. It is basically a mapping from hostnames to IP addresses. Any network protocol uses this mapping to convert hostnames to numeric IP addresses. The mapping is because the Network Layer does not work with the hostnames.
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In this tutorial, we’ll cover the killall command in Linux. We recently posted a tutorial on the kill command in Linux where we covered the usage and the functionality of the command. Today, we’ll go over how to use the killall command in Linux, and understand the difference between kill and killall commands. What is
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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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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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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
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