Operating System Articles - Page 59 of 199

HTTP/2 is the latest version of the HTTP protocol, which is designed to improve website performance and security. Nginx is a popular web server that supports HTTP/2. If you're using Nginx and want to enable HTTP/2 for your website, this article will guide you through the process. Step 1: Check Nginx Version Before enabling HTTP/2, you should check the version of Nginx installed on your system. To do this, run the following command − nginx -v This command will display the version of Nginx installed on your system. If you have a version of Nginx that is 1.9.5 or ... Read More

HTTP/2.0 is the latest version of the HTTP protocol that offers significant performance improvements over its predecessor, HTTP/1.1. Enabling HTTP/2.0 on your Apache web server can enhance the speed and responsiveness of your website, resulting in a better user experience for your visitors. In this article, we will guide you through the steps to enable HTTP/2.0 on Apache on Ubuntu. Step 1: Check Apache Version Before enabling HTTP/2.0, it is essential to ensure that your Apache version is compatible with HTTP/2.0. To check your Apache version, run the following command in your terminal − apache2 -v The output will ... Read More

Desktop sharing or remote desktop access is a useful feature that allows you to access another computer or device from your own system. This feature is particularly useful when you need to provide technical assistance to someone who is not physically present with you. Ubuntu and Linux Mint are two popular Linux distributions that come with desktop sharing features pre-installed. In this article, we will discuss how to enable desktop sharing in Ubuntu and Linux Mint. Enabling Desktop Sharing in Ubuntu Ubuntu comes with a built-in desktop sharing feature called "Vino". Vino allows you to share your desktop with other ... 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

Firewall is an essential component of any computer system that helps protect against unauthorized access and malicious attacks. On CentOS 7, firewalld is a popular firewall management tool that provides an easy and intuitive way to configure and manage the firewall rules. In this article, we will discuss how to enable and use firewalld on CentOS 7. Enabling Firewalld on CentOS 7 The firewalld service is not enabled by default on CentOS 7. Therefore, before we can use it, we need to enable and start the service. To enable and start the firewalld service, we need to execute the following ... Read More

PHP-FPM (FastCGI Process Manager) is a popular implementation of PHP as a FastCGI process manager. It offers significant performance improvements over the traditional PHP implementation and is widely used in high-traffic websites. Nginx is a popular web server and reverse proxy that can be used to serve PHP applications via PHP-FPM. In this article, we will discuss how to enable and monitor PHP-FPM status in Nginx. Enabling PHP-FPM Status Page PHP-FPM comes with a built-in status page that provides real-time information about the current state of PHP-FPM processes. Enabling the PHP-FPM status page in Nginx is a simple process. First, ... Read More

Root login is the ultimate level of access on any Linux system, including Ubuntu. As an Ubuntu user, it's essential to know how to enable or disable root login, as it can impact the overall security of your system. This article will guide you through the process of enabling and disabling root login on Ubuntu. What is Root Login? In Ubuntu, the root account is the administrative account that has complete control over the system. By default, Ubuntu disables root login and encourages the use of sudo, a command that allows users to execute administrative tasks without logging in as ... Read More

VirtualBox is a popular open-source virtualization software that allows users to run multiple operating systems on a single computer. One of the key features of VirtualBox is the ability to create and run 64-bit virtual machines. However, sometimes the option to enable the 64-bit version may not be available by default. In this article, we will guide you through the steps to enable the 64-bit version option in VirtualBox. Verify Your Processor Before proceeding, it's important to ensure that your processor is capable of running a 64-bit version of an operating system. To do this, open the System Information tool ... Read More

OpenVPN is a popular and widely used open-source VPN solution that allows secure remote access to your network resources. Zentyal 3.4 is a Linux distribution that provides a complete server platform for small and medium-sized businesses. In this article, we will discuss how to install and configure the OpenVPN server on a Zentyal 3.4 PDC. Step 1: Install OpenVPN The first step is to install OpenVPN on your Zentyal server. Open the terminal and type the following command − sudo apt-get update sudo apt-get install openvpn Step 2: Generate Certificates and Keys OpenVPN uses certificates and keys to authenticate ... 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