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Introduction On Linux, the "kill" command is used to send a signal to a process, which can be used to kill the process. The signal can be specified as a signal number or as a signal name, and the default signal is the TERM signal, which terminates the process. In this article, we'll explore the different options and usage of the "kill" command, including how to use it to kill specific processes and how to use it in combination with other commands. Basic syntax and usage of the Kill command The basic syntax of the "kill" command is as follows ... Read More
To add Summernote Editor in a webpage, we first need to include the Summernote CSS and JS files in the head of our HTML document. Next, we need to initialize the Summernote editor on a specific text area or div element by calling the Summernote function on it. Finally, we can customize the editor's options and functionality by passing options as an object to the Summernote function. Let us first understand what Summernote editor is. What is Summernote? Summernote is a JavaScript library that allows for the creation and editing of rich text within a web page. It is ... Read More
Introduction The Linux touch command is a versatile tool that allows you to create new files and update timestamps on existing files. In this guide we will explain the basic use of the touch command and some of its advanced options. We will also provide examples of how to use the command and show the corresponding output. By the end of this guide, you'll have a solid understanding of how to use the touch command to manage files on your Linux system. Basic usage touch command The basic syntax of the touch command is as follows − $ touch [options] ... Read More
Introduction The "date" command in Linux is a simple but powerful tool used to display the current date and time, as well as set the system date and time. This command is extremely useful for troubleshooting and system administration tasks, and is a vital tool in understanding any Linux user. In this article, we'll discuss the basic usage of the date command, as well as some of its more advanced options and features. We'll also cover some examples of how the date command can be used in real-world scenarios. Basic usage of date command The date command is one of ... Read More
Introduction The "cut" command in Linux is a powerful command line utility that allows you to extract specific sections of text from a file or data stream. Whether you're working with tab-delimited files, CSV files, or just want to extract a specific range of characters, the cut command is a versatile tool that can help you get the job done quickly and easily. In this article, we will discuss the basic usage of the cut command as well as some advanced options and examples of how it can be used. We'll also look at some real-world use cases for the ... Read More
We can add a stylesheet in Next.js by creating a CSS file in the "pages" directory and importing it in the desired component. We can also use CSS-in-JS libraries like styled-jsx for styling in Next.js. It is important to note that the styles will only be scoped to the component they are imported in and will not affect the global styles. Let us first learn what Next.js is. Next.js is an open-source web development framework. The Next.js is React Based framework with server side rendering capability. Both speed and SEO are excellent. You can simply build and test sophisticated react-based ... Read More
Introduction Sed, also known as the "stream editor", is a powerful command-line tool on Linux that allows you to perform basic text transformations on an input stream (either a file or input from a pipe). Sed is especially useful for making bulk changes to large numbers of files, or for editing files that are difficult to open with a text editor. This guide will serve as a detailed introduction to sed, including its syntax, basic commands, and examples of how to use sed in different scenarios. We'll also explore advanced features like grouping and in-place editing to help you master ... Read More
We can add a stateful component without using a constructor class by using the useState hook. This hook allows us to create and update state within our component without the need for a constructor. To use this hook, we simply call the useState function and pass in our initial state as an argument. There are primarily two ways of creating React Components − Using JS classes. Using functional components. Before react v16 there was no way of adding state to functional components. But since the inception of React Hooks we can write stateful functional components as well. A ... Read More
Introduction On Linux, a shebang (#!) is a special line at the beginning of a script that tells the operating system which interpreter to use when executing the script. This line, also known as a hashbang, shabang or "sharp-exclamation", is the first line of a dash and starts with "#!" followed by the path to the interpreter. The Shebang line is important because it allows you to run scripts written in any language, not just shell scripts, on a Linux system. Understanding Shebang What is a Shebang? The Shebang “#!” The symbol indicates which interpreter, or which version of an ... Read More
Introduction The nslookup command is a tool used to query Domain Name System (DNS) servers and retrieve information about a specific domain or IP address. This command is an essential tool for network administrators and system engineers as it can be used to troubleshoot DNS issues and gather information about DNS configurations. In this article, we'll explore the nslookup command on Linux in depth, including its syntax, options, and examples of how it can be used to troubleshoot DNS issues. We will also discuss the prerequisites for using the nslookup command and how to install it on various Linux distributions. ... Read More