Administration

systemctl is a powerful command-line tool used in many Linux distributions to control the systemd system and service manager. It is a critical component for managing services, checking their status, enabling or disabling them at startup, and managing system states like rebooting or shutting down. This article provides an in-depth overview of systemctl, its functionality, […]

A 403 Forbidden error is one of the most common HTTP status codes users encounter when trying to access a web page. This error indicates that the server understands the request but refuses to authorize it, meaning you don’t have permission to access the requested resource. This could be due to a variety of reasons, […]

SSL (Secure Sockets Layer) certificates play a crucial role in securing connections between a client (such as a web browser) and a server by encrypting the data exchanged. When you visit a website that uses SSL, your browser stores the SSL certificates in its cache to speed up future connections. However, there are times when […]

Setting up Gmail for sending and receiving emails through your VPS (Virtual Private Server) can help you manage your emails more efficiently, particularly if you are running a website or service. This article walks you through the steps to configure your VPS to use Gmail’s SMTP (Simple Mail Transfer Protocol) and IMAP (Internet Message Access […]

URL redirection is a crucial tool for managing web traffic, improving user experience, and ensuring SEO best practices are met. Whether you’re migrating a website, restructuring content, or simply fixing broken links, redirecting URLs ensures that users and search engines are sent to the correct location. In this article, we’ll explore how to redirect URLs […]

Understanding which version of MySQL you’re running is essential for managing your database environment. Whether you’re troubleshooting, performing upgrades, or checking for compatibility with certain features, knowing the exact MySQL version can save you time and ensure optimal performance. There are various methods to obtain this information, depending on whether you’re using the command line, […]

There are a large number of Linux-based servers to choose from, as well as a large number of tasks that require administration from time to time. One of these tasks is package management, as it is one of the most important tasks for administrators and users. The dpkg command is a powerful tool for working […]

Managing processes efficiently is a key task for anyone using a virtual server, such as those offered by AlexHost. Understanding how to terminate processes in Linux helps optimize system performance, resolve issues, and maintain server stability. In this article, we will explore different methods to end processes in Linux, providing detailed instructions and insights for […]

Removing a Systemd Service File is a critical task for Linux administrators that demands precision and care. When a service is no longer needed, removing its file and configuration can free up system resources and prevent potential issues arising from its improper operation. In this article, we will thoroughly explore the process of removing a […]

OpenVPN is a powerful and flexible tool for creating secure VPN tunnels. This instruction will help you install and configure OpenVPN on a server running Linux (e.g. Ubuntu, Debian, CentOS). Update system packages Before starting the installation, update the system package lists and install all available updates. For Ubuntu/Debian: apt update apt upgrade -y For […]