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The SASS allows developers to write more readable code and manipulate it in a better way. It contains multiple directives such as @media, @content, @include, @mixin, @extend, etc., providing some functionality so developers can write better code than normal CSS. In this tutorial, we will learn about the @directive in SASS. The @extend directive allows developers to extend the CSS code. However, mixins also extend the CSS code and avoid repetition. The @extend directive also allows us to avoid the repetitions of the code. For example, if you have a common CSS for the application's fonts and need different font ... Read More
We use the ‘float’ property in CSS to keep elements floating on the left or right side. So, whenever we set the ‘float’ property for any HTML element, it is taken out from the document's normal flow, and sometimes it can create lots of problems. The ‘clear’ CSS property allows developers to set the position of the element which is next to the floating element. However, it always pushes the next element below the floating elements. The ‘clear’ property of CSS can have 4 different values: ' left’, ‘right’, ‘both’, and ‘inherit’. The ‘left’ value is used to push the ... Read More
Developers can use CSS to describe the presentation of the web page content. The stylesheet contains the CSS code, which we link with the web page for a better representation of the web page. Why do we Require to use a Stylesheet with an HTML Web Page? For beginners, the first question comes to mind is that why do we require to use the stylesheet? Can’t we create web pages without using the stylesheet? The answer is yes. You can create a web page without using the stylesheet. HTML is only used to add content to the web page, and ... Read More
If you're looking to land a job in a Linux environment, you're likely to be asked a lot of technical questions during the interview process. One of the most important commands in Linux is the "ls" command, which is used to list the contents of a directory. In this article, we'll take a look at some of the most common interview questions on the "ls" command and how to answer them. What is the "ls" command, and what does it do? The "ls" command is used to list the contents of a directory. It displays the names of files and ... Read More
OpenNMS is an open-source monitoring system that helps system administrators monitor their networks, servers, and applications. It provides comprehensive monitoring capabilities that allow administrators to detect and resolve issues before they become critical. In this article, we'll discuss how to add hosts in OpenNMS monitoring server. What are Hosts? Hosts are the devices or servers that you want to monitor. It could be a physical device or a virtual machine. In OpenNMS, hosts are added to the system so that the system can monitor them for any issues that may arise. Adding a host to OpenNMS is a simple process ... Read More
In today's world, email is a crucial tool for communication, both in personal and professional settings. However, it can also be a target for malicious attacks such as viruses and spam. As a result, it is vital to secure your mail server against these threats. One way to do this is by adding antivirus and spam protection to your Postfix mail server with ClamAV and SpamAssassin. In this article, we will guide you through the steps to add ClamAV and SpamAssassin to your Postfix mail server, and show you how to configure them to work together to protect your mail ... Read More
PhpMyAdmin is a popular web-based application used to manage MySQL databases. It is widely used by web developers, system administrators, and other IT professionals. However, with its widespread popularity, PhpMyAdmin has become a popular target for cybercriminals who attempt to exploit vulnerabilities in the login interface to gain access to sensitive data. Therefore, it is essential to add an extra layer of security to the PhpMyAdmin login interface to prevent unauthorized access. In this article, we will discuss how to add an extra layer of security to the PhpMyAdmin login interface with several sub-headings and examples. Why Do You Need ... Read More
Git is a popular version control system that enables you to manage your source code, track changes, and collaborate with others. It also helps you keep a record of every change made to your codebase, including the creation of new directories. However, sometimes you may need to add an empty directory to your Git repository, which may seem challenging at first glance. In this article, we will explore how to add an empty directory in Git. What is an Empty Directory in Git? Before we dive into the process of adding an empty directory in Git, let's first understand what ... Read More
Remote Desktop is a handy tool that allows you to access your computer from a different location, using another device. It is very useful, especially for remote workers, who need to access their work computer from home or any other location. The most common way to access a remote desktop is through a client software installed on the device, but there is an easier way to access it: using a browser. In this article, we will show you how to access remote desktop from a browser using TightVNC. What is TightVNC? TightVNC is a free remote control software package that ... Read More
If you're a Linux server user, you know how important the command line interface is. The terminal is where you can execute commands to control and manage your server. However, sometimes accessing the terminal can be a hassle, especially if you're on a remote machine or don't have a terminal client installed. That's where Wetty comes in. Wetty is a web-based terminal emulator that allows you to access your Linux server terminal through your web browser. In this article, we'll go over how to set up and use Wetty to access your Linux server terminal. What is Wetty? Wetty is ... Read More