Found 1436 Articles for Linux

In world of cybersecurity, there are two commonly used tools for enforcing mandatory access control (MAC) policies on Linux systems: AppArmor and SELinux. Both of these tools provide a layer of security by limiting actions that a particular process or application can take on a system. In this article, we will be taking a comprehensive look at both AppArmor and SELinux and compare their features and capabilities. Overview of AppArmor and SELinux AppArmor and SELinux are both Linux security modules (LSMs) that can be used to protect a system from various security threats. They are designed to restrict actions of ... Read More

If you're hosting multiple websites on a single server, you'll want to set up virtual hosts to keep each site separate. Virtual hosting can be IP-based or name-based. In this article, we'll discuss how to set up virtual hosting in RHEL/CentOS/Fedora using both IP-based and name-based virtual hosts. What is Virtual Hosting? Virtual hosting is a method of hosting multiple websites on a single server. It's an essential technique for saving resources and costs for businesses. When you host multiple websites on a single server, you want to ensure that each site has its own unique identity and is separated ... Read More

Apache Hadoop is a popular big data framework that allows organizations to store, process, and analyze vast amounts of data. architecture of Hadoop is designed to handle large amounts of data by using distributed storage and processing. In this article, we will explain architecture of Apache Hadoop and its various components with diagrams. Introduction to Apache Hadoop Apache Hadoop is an open-source software framework used for storing and processing large amounts of data in a distributed environment. It was created by Doug Cutting and Mike Cafarella in 2006 and is currently maintained by Apache Software Foundation. Hadoop is widely used ... Read More

If you have ever tried to access a website, but received a "403 Forbidden" error message, you know how frustrating it can be. This error message means that you are not allowed to access requested resource. In this article, we will explain what Apache 403 Forbidden errors are, what causes them, and how to fix them. What is an Apache 403 Forbidden Error? An Apache 403 Forbidden error occurs when server receives a request for a resource, but server refuses to fulfill request. This error message is usually displayed in web browser and indicates that user is not authorized to ... Read More

Ansible is an automation tool that helps in configuring and managing servers, networking devices, and other infrastructure. It simplifies process of automation by providing a high-level language to describe infrastructure as code. In this article, we will discuss how to check if a file exists using Ansible. Why Check if a File Exists in Ansible? Checking if a file exists is an important task when automating infrastructure. It allows you to determine whether or not a file is present on a system, which can be useful when creating idempotent tasks. Idempotence means that a task can be run multiple times ... Read More

If you are a system administrator or a DevOps engineer, you know how important automation is in your daily operations. One of most popular tools for automation is Ansible, a configuration management tool that simplifies management of servers, network devices, and other IT infrastructure. In this article, we will dive into Ansible playbooks, a powerful feature of Ansible that allows you to automate complex tasks and configurations. What is an Ansible Playbook? An Ansible playbook is a YAML file that describes a set of tasks to be executed on one or more hosts. Playbooks are heart of Ansible automation, providing ... Read More

Ansible is an open-source IT automation tool used for configuration management, application deployment, and task automation. It allows system administrators to manage a large number of servers with ease. Ansible Playbook is a powerful feature of Ansible that allows users to automate tasks and manage configurations. When creating a Playbook, it's important to test and validate it before executing it on production systems. Ansible offers a Dry Run feature to run a playbook in check mode, which enables users to simulate execution of playbook without making any actual changes. This article will explain what a Dry Run is and how ... Read More

Are you a Fedora Linux user and looking to install Adobe Flash Player 32 on your system? Adobe Flash Player is an essential software to stream multimedia content, such as videos and animations on the web. In this article, we will guide you on how to install Adobe Flash Player 32 on Fedora Linux step-by-step. Before we begin, it is important to note that Adobe Flash Player is no longer supported after December 31, 2020. Adobe has recommended uninstalling Flash Player from all systems to protect against potential security vulnerabilities. However, if you still need to use Flash Player for ... Read More

If you're looking for a lightweight and customizable Linux distribution, Bodhi Linux is definitely worth checking out. This operating system is based on Ubuntu and uses the Enlightenment desktop environment, which provides a sleek and minimalistic interface. In this guide, we'll go through the steps to install Bodhi Linux on your computer. We'll cover the requirements, the installation process, and some tips to get started with your new Bodhi Linux system. Requirements Before installing Bodhi Linux, you'll need to make sure your computer meets the following requirements − A 64-bit processor At least 512 MB of RAM (1 GB ... Read More

Kubernetes is a powerful tool for managing and deploying containerized applications. It is an open-source system that helps automate the deployment, scaling, and management of containerized applications. If you are looking to install a Kubernetes cluster on CentOS 8, this guide will walk you through the process step by step. What is Kubernetes? Kubernetes is an open-source platform for managing containerized workloads and services. It provides a way to automate the deployment, scaling, and management of containerized applications. With Kubernetes, you can deploy and manage applications across a variety of environments, including physical, virtual, and cloud-based infrastructure. Prerequisites Before you ... Read More