Introduction ImageMagick is a powerful open-source software suite used for image manipulation, editing, and conversion. It supports a wide range of image formats and provides a comprehensive set of command-line tools for performing various image-related tasks. In this article, we will guide you through the process of installing ImageMagick on RHEL (Red Hat Enterprise Linux), CentOS, and Fedora systems. We will also provide several examples demonstrating the usage of ImageMagick commands. Step 1: Update the System Before installing any software, it is recommended to update your system to ensure you have the latest package information. Open a terminal and run ... Read More

Introduction GNUMP3d is a lightweight and easy-to-use streaming media server that allows users to share and stream their music collection over the internet. It supports various platforms, including RHEL, CentOS, Fedora, Ubuntu, and Debian. In this article, we will guide you through the installation process of GNUMP3d on these Linux distributions, along with several examples and their outputs. Prerequisites Before we proceed with the installation, make sure you have the following prerequisites − A running instance of RHEL, CentOS, Fedora, Ubuntu, or Debian. A user account with sudo privileges. Installation To install GNUMP3d, follow the steps below for ... 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 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 PostgreSQL is one of the most popular open-source relational database management systems (RDBMS). It provides a wide range of features such as data integrity, fault-tolerance, and scalability. One of the essential features in PostgreSQL is Streaming Replication. It allows you to create multiple copies of a PostgreSQL database cluster in near-real-time by continuously streaming the changes from the primary node to the standby nodes. Streaming replication works by streaming the write-ahead log (WAL) data generated by the primary node to one or more standby nodes over a network connection. Configuration of Master Node for Streaming ... Read More

Introduction SELinux, or Security-Enhanced Linux, is a security mechanism that is built into most modern Linux distributions, including CentOS 8. SELinux works by providing a set of mandatory access control policies that restrict access to various system resources and files. The purpose of this feature is to enhance the overall security of the system by limiting the scope of potential attacks. While SELinux is an effective tool for protecting your system, some users may want to disable it for various reasons. For instance, some applications may not work well with SELinux enabled, or it might be challenging to ... Read More

In today's world of internet security, enabling HTTPS on your website is crucial to ensure the privacy and safety of your users' data. One way to achieve this is by using Varnish Cache and Hitch, a lightweight TLS proxy, to offload SSL/TLS processing from Varnish. In this article, we will guide you through the process of enabling HTTPS for Varnish Cache using Hitch on CentOS/RHEL 8. Prerequisites Before we begin, ensure that you have the following − A CentOS/RHEL 8 server Root access to the server Varnish Cache and Hitch installed A valid SSL/TLS certificate and private key ... Read More

If you are running a web server with Apache on RHEL/CentOS, you may need to enable the Userdir module to allow users to create and serve their own web content. The Userdir module enables users to access their own web directories using a URL that starts with http://example.com/~username. Enabling the Apache Userdir module on RHEL/CentOS is a straightforward process that can be completed in just a few steps. In this article, we will show you how to enable the Apache Userdir module on RHEL/CentOS. Step 1: Install Apache Web Server Before you can enable the Userdir module, you need to ... Read More

OpenVPN is a popular open-source VPN protocol that allows secure and private communication over internet. With OpenVPN, you can create a virtual private network that can be accessed from anywhere, providing a secure and encrypted connection for remote users. In this article, we will discuss how to install and configure OpenVPN on CentOS 8/7, which is a popular Linux distribution. Prerequisites Before we proceed with installation, we need to ensure that we have following prerequisites − A CentOS 8/7 server with root access. A static public IP address. An SSH client installed on your local machine. Step 1: ... Read More