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Linux Articles
Page 91 of 134
How to Install and Configure OpenVPN Access Server?
Virtual Private Network (VPN) technology is essential for secure remote access to networks and resources. OpenVPN Access Server is a popular VPN solution that provides a scalable and robust VPN infrastructure for enterprises and organizations of all sizes. In this tutorial, we will walk through the complete process of installing and configuring OpenVPN Access Server on Ubuntu 20.04. Prerequisites Before we start, ensure you have the following prerequisites − A VPS or dedicated server with Ubuntu 20.04 installed Root access to the server A domain name pointing to your server IP address A static IP address ...
Read MoreHow to Install and Configure OpenVPN Server in CentOS 8/7?
OpenVPN is a popular open-source VPN protocol that enables secure and private communication over the internet. With OpenVPN, you can create a virtual private network accessible from anywhere, providing encrypted connections for remote users. This tutorial covers installing and configuring OpenVPN server on CentOS 8/7 systems. Prerequisites Before proceeding with the installation, ensure you have the following prerequisites − A CentOS 8/7 server with root access A static public IP address An SSH client installed on your local machine Basic knowledge of Linux command line Step 1 − Install OpenVPN Server First, install ...
Read MoreHow to Install and Configure OpenVPN Server on Zentyal 3.4 PDC?
OpenVPN is a popular open-source VPN solution that provides secure remote access to network resources. Zentyal 3.4 is a Linux-based server platform designed for small and medium-sized businesses. This guide explains how to install and configure an OpenVPN server on a Zentyal 3.4 Primary Domain Controller (PDC). Step 1: Install OpenVPN First, update the system and install OpenVPN on your Zentyal server − sudo apt-get update sudo apt-get install openvpn Step 2: Generate Certificates and Keys OpenVPN uses Public Key Infrastructure (PKI) for authentication. Generate the required certificates and keys using the EasyRSA ...
Read MoreHow To Enable 64-bit Version Option in VirtualBox?
VirtualBox is a popular open-source virtualization software that allows users to run multiple operating systems on a single computer. One key feature 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. This article will guide you through the steps to enable the 64-bit version option in VirtualBox. Prerequisites for 64-bit Virtualization Before enabling 64-bit support, ensure your system meets these requirements − 64-bit capable processor with virtualization support (Intel VT-x or AMD-V) Virtualization enabled in BIOS/UEFI Sufficient RAM (at least ...
Read MoreHow to Enable and Disable Root Login in Ubuntu?
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 ...
Read MoreHow to Enable and Monitor PHP-FPM Status in Nginx?
PHP-FPM (FastCGI Process Manager) is a popular implementation of PHP that provides significant performance improvements over traditional PHP implementations. When combined with Nginx, it creates a powerful web server stack for high-traffic applications. The built-in status monitoring capabilities of PHP-FPM allow administrators to track process health and performance in real-time. Enabling PHP-FPM Status Page PHP-FPM includes a built-in status page that provides real-time information about process states, memory usage, and request statistics. To enable this feature, first locate and edit the PHP-FPM pool configuration file. Step 1: Configure PHP-FPM Pool Open the PHP-FPM pool configuration file. ...
Read MoreHow to Enable and Use firewalld on CentOS 7?
Firewalld is a dynamic firewall management tool for CentOS 7 that provides a user-friendly interface to configure and manage firewall rules. Unlike traditional iptables, firewalld supports network zones and allows changes without restarting the entire firewall service. This article demonstrates how to enable and effectively use firewalld on CentOS 7. Installation and Setup Firewalld is included with CentOS 7 but may not be enabled by default. First, check if firewalld is installed and running − sudo systemctl status firewalld To enable and start the firewalld service − sudo systemctl enable firewalld sudo ...
Read MoreHow to Enable Apache Userdir Module on RHEL/CentOS?
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 format like http://example.com/~username. Enabling the Apache Userdir module on RHEL/CentOS is a straightforward process that involves installation, configuration, and security considerations. This article will guide you through the complete setup process. Prerequisites and Installation Step 1: Install Apache Web Server Before enabling the Userdir module, ensure Apache web server is installed on ...
Read MoreHow To Enable Desktop Sharing In Ubuntu and Linux Mint?
Desktop sharing or remote desktop access allows you to control and view another computer's desktop from your own system. This feature is particularly useful for providing technical support, remote work, or accessing files from another machine. Ubuntu and Linux Mint both include built-in desktop sharing capabilities through the Vino VNC server. Enabling Desktop Sharing in Ubuntu Ubuntu includes Vino, a VNC server that enables desktop sharing over your local network. Follow these steps to enable it: Step-by-Step Setup Step 1 − Open Settings from the Activities overview or press Super key and search for "Settings". ...
Read MoreHow to Enable HTTP2.0 in Apache on Ubuntu?
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. Prerequisites Before enabling HTTP/2.0, ensure your system meets these requirements: Apache version 2.4.17 or later with HTTP/2 support SSL/TLS certificate installed (HTTP/2.0 requires HTTPS) Ubuntu server with root or sudo privileges Step 1: Check ...
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