Operating System Articles - Page 29 of 199

As network administrators or anyone dabbling in network troubleshooting, you will often come across the terms 'ifconfig' and 'ip'. Both these commands are used in Unix-based operating systems for network interface configuration, but what makes them different? In this article, we will dissect the differences, delve into some examples and their outputs to understand these commands better. Introduction to Ifconfig Ifconfig (Interface Configuration) is a system administration utility in Unix and Unix-like operating systems to configure, control, and query TCP/IP network interface parameters. It is a part of the net-tools package which has been there almost since the inception of ... Read More

In this article, we will explore LRU(Least Recently Used Algorithm) and FIFO(First In First Out) numerical, their flowcharts and their use cases as well. Least Recently Used Algorithm Popular page replacement algorithms used in operating systems and cache management systems include the LRU (Least Recently Used) technique. By replacing the least recently used page in a cache when a new page needs to be loaded, it seeks to reduce the amount of page faults. Example − Let's assume we have a cache with a capacity of 3 pages and a sequence of page requests: 2, 3, 1, 4, 2, 1, 5, ... Read More

Introduction In the world of blogging, content management systems (CMS) play a vital role in managing and publishing articles. One popular CMS that has gained significant traction among bloggers is Ghost. Ghost is an open-source platform built on Node.js, known for its simplicity, speed, and elegant design. In this article, we will explore how to install Ghost on both Debian and Ubuntu operating systems. We will provide step-by-step instructions along with examples and their respective outputs to guide you through the installation process. Prerequisites Before we begin, make sure you have the following prerequisites − A server or virtual ... Read More

Introduction EHCP (Easy Hosting Control Panel) is a powerful and user-friendly web hosting control panel that simplifies the process of managing web servers and hosting websites. It provides a comprehensive set of features and tools to streamline the hosting experience. This article will guide you through the step-by-step process of installing EHCP on both Red Hat-based distributions (RHEL, CentOS, Fedora) and Debian-based distributions (Ubuntu, Debian, Linux Mint). Additionally, we will include examples and their output to illustrate the installation process. Prerequisites Before we begin, make sure you have the following prerequisites in place − A server or virtual machine ... Read More

Introduction Docker has revolutionized the world of software development and deployment by providing a lightweight and efficient containerization platform. With Docker, developers can package their applications and dependencies into containers, making it easier to deploy and run them consistently across different environments. In this article, we will guide you through the process of installing Docker on CentOS and RHEL 8/7 and provide examples of basic container manipulation. Installing Docker on CentOS/RHEL 8 Preparing the System Before installing Docker, ensure that your system is up to date by running the following commands − $ sudo yum update $ sudo yum install ... Read More

Introduction DNS (Domain Name System) plays a crucial role in translating domain names into IP addresses, allowing users to access websites using human-readable URLs. To enhance DNS performance and reduce network latency, implementing a caching-only DNS server can significantly improve the speed and efficiency of DNS lookups. In this article, we will guide you through the process of installing and configuring a caching-only DNS server in RHEL/CentOS 7. Prerequisites Before proceeding, ensure that you have the following − A server running RHEL/CentOS 7. Root or sudo access to the server. Basic knowledge of the Linux command line. Update ... Read More

Introduction Adobe Flash Player has been a widely used multimedia platform for many years, enabling users to view interactive content, play online games, and stream videos. However, with the rise of HTML5 and the continuous evolution of web standards, Flash Player has been gradually phased out and is no longer officially supported by Adobe. Nevertheless, some legacy systems and applications may still require Flash Player 11.2 to function properly. In this article, we will guide you through the process of installing Adobe Flash Player 11.2 on CentOS/RHEL 7/6 and Fedora 25-20. Prerequisites Before proceeding with the installation, ensure that you ... Read More

Introduction Email communication remains an integral part of our personal and professional lives. Setting up a reliable and secure mail server is crucial for efficient communication within organizations or for personal use. RedMail, a fully-featured mail server solution, offers a comprehensive suite of tools to create virtual domains, access webmail, and enhance email security with SpamAssassin and ClamAV. In this article, we will guide you through the process of installing RedMail on a Linux system, showcasing examples and their outputs to help you get started. Prerequisites Before we dive into the installation process, make sure you have a Linux server ... Read More

Introduction Setting up a server is an essential step in creating a reliable and secure environment for hosting websites, applications, or managing data. In this article, we will explore the process of setting up an Ubuntu server, specifically versions 20.04, 18.04, and 16.04. We will cover the necessary steps, along with practical examples and their corresponding outputs, to help you navigate through the initial server setup process seamlessly. Prerequisites Before diving into the server setup, ensure that you have the following prerequisites in place − An Ubuntu 20.04, 18.04, or 16.04 server instance. A user account with administrative privileges (or ... Read More

Red Hat Enterprise Linux (RHEL) is a Linux-based operating system from Red Hat designed for businesses. This article is a practical guide on how to carry out the initial server setup and configurations on RHEL 7. In this tutorial, we will walk you through the essential first steps to prepare a RHEL 7 server for use. Section 1: Logging in as Root After your server boots, you will be able to log in as the root user. The root user is the administrative user in a Linux environment with very broad privileges. Example − ssh root@your_server_ip Section 2: Creating ... Read More