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Cloudflare: real experience repelling a DDoS attack from russia
Introduction When deploying a public site on a home server, implementing Cloudflare DDoS protection Raspberry Pi security is an essential step to ensure uptime. In this post, I share my real-world experience using Cloudflare’s free plan to successfully fend off… >>>
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Configuring PostfixAdmin to manage mailboxes
In this post, I will describe the process of configuring PostfixAdmin to manage mailboxes on a Raspberry Pi, providing a stable and user-friendly web interface for your mail server. Introduction Since my Raspberry Pi already has Postfix + Dovecot installed… >>>
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Telegram bot for electricity monitoring
Introduction russia’s massive attacks on Ukraine’s energy infrastructure have led to large-scale power outages (blackouts). This has created everyday problems for ordinary civilians, including: teaching children in the evening without electricity, moving elderly people around in high-rise buildings, cooking food… >>>
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Raspberry Pi as a KVM hypervisor
Today, the Raspberry Pi is a fully functional mini-computer capable of performing complex tasks, including acting as a Raspberry Pi KVM hypervisor for hardware virtualization. Introduction This article provides a step-by-step guide to installing Raspberry Pi OS Lite, configuring SSH… >>>
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Monitoring HP LaserJet usage using SNMPv3 with Zabbix
In this guide, I will explore monitoring HP LaserJet usage using SNMPv3 and Zabbix, turning a simple home MFP into a well-managed network asset. Introduction I use an HP LaserJet MFP M141w multifunction device (MFP). This MFP is quite attractive… >>>
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How to Make Full-Width Content in the WordPress
Introduction Learning how to make full-width content in WordPress is essential for creating modern, immersive layouts that aren’t restricted by default theme margins. Whether you’re building a landing page or a visual portfolio on your Raspberry Pi-hosted site, mastering the… >>>
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Creating a Custom Field for the Polylang Plugin in WordPress
Introduction In many WordPress projects, there is a need to translate not only standard posts but also custom strings in the header or footer. While Polylang is powerful, it doesn’t natively support template strings. In this guide, I will show… >>>
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Zabbix 24-Hour Time Format
Introduction Setting up the Zabbix 24-hour time format is a common task for administrators who find the default US 12-hour (AM/PM) display inconvenient. By default, Zabbix follows the system’s locale, but we can easily change this to a 24-hour format… >>>
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How to Enable Multi-Factor Authentication (MFA) in Zabbix
Introduction In today’s world, where cyberattacks are becoming increasingly sophisticated, account security is more important than ever. One of the most effective ways to protect user accounts is through Multi-Factor Authentication (MFA). Zabbix, a popular monitoring system, now supports TOTP… >>>
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Zabbix local network access only
Introducion Zabbix is a powerful monitoring system often used to track server health and services. By default, the web interface might be exposed to the internet, which poses a security risk. In this guide, I will show you how to… >>>