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A Reverse DNS record (rDNS) or PTR record is used to resolve an IP address into a domain name. Unlike regular DNS, which maps domain names to IP addresses, rDNS performs the reverse task by mapping an IP address to a domain name. This is useful for tasks such as verifying sender authenticity on mail […]
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 […]
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 […]
Yellowdog Updater, Modified (abbreviated YUM) is a package manager used in RPM (Red Hat Package Manager)-based Linux distributions such as CentOS, Fedora, and RHEL (Red Hat Enterprise Linux). YUM makes it easy to install, update, remove, and manage software packages. In this article, we will cover the basic commands and principles of YUM, which will […]
The Vim (Vi IMproved) editor is one of the most powerful and popular text editors in the Unix and Linux world. It provides powerful text editing capabilities and can be challenging for beginners due to its unintuitive command structure. In this article, we will cover the basic commands and principles of working with Vim, which […]
When working with a server, quite often the need arises to configure the correct operation of the HTTP protocol. Undoubtedly, both experienced administrators and newbies may experience difficulties. Speaking specifically about the 401 (Unauthorized) error, this is one of the most common HTTP responses, which indicates that the requested resource requires authentication. In this article, […]
The choice of the correct configuration of a virtual server extremely affects the processes and quality of your projects. In addition to the configuration and resources, it is important to consider which OS and version to choose. The process of installing a virtual server and OS takes just a few minutes, because AlexHost takes care […]
Before purchasing a service, of course, you want to test its performance to ensure the quality of the services provided. This is where the so-called “YAB tests” come to the rescue. What are they? YAB (Yet Another Benchmark) test is a technique for assessing the performance of various systems and their components. Benchmarking in general […]
If you’ve chosen Windows 10 or 11 as your operating system in the OS Template section, it’s crucial to understand the proper steps for connecting to your server using these versions. This guide is designed to walk you through the process, ensuring that you can seamlessly access and manage your VPS with ease. Windows 10 […]
If you’ve chosen Windows 10 or 11 as your operating system in the OS Template section, it’s crucial to understand the proper steps for connecting to your server using these versions. This guide is designed to walk you through the process, ensuring that you can seamlessly access and manage your VPS with ease. Windows 10 […]