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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… >>>
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Review of the ring LED light for macro lens for Sony E-mount, 49mm
Introduction Macro photography reveals a fascinating world of details invisible to the naked eye. But even with a great lens, lighting is the key to success. In this LED macro ring light review, I test an affordable 49mm ring light… >>>
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Monitoring Raspberry Pi CPU Temperature with Zabbix
Introduction Raspberry Pi temperature monitoring with Zabbix is essential for maintaining the health of my home server or IoT setup. In this guide, I’ll show you how to fetch CPU metrics, fix common permission errors, and create real-time alerts to… >>>
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How to Move a WordPress Site to a New Raspberry Pi using rsync backup
Introduction Migrating a WordPress website to a new server is no easy task — especially when minimizing downtime is crucial. In this guide, I’ll show you how I successfully performed a WordPress migration to Raspberry Pi using rsync. This method… >>>
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Samsung Ice Maker Repair DIY
Introduction An ice maker in your refrigerator is a great convenience – until it stops working. My Samsung refrigerator with an ice dispenser worked well for about three years, but one day the ice tray became misaligned and got stuck.… >>>
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How to Create an IP Blacklist on a Ubiquiti UniFi Gateway Using Zone-Based Firewall
In this guide, I will show you how to set up a UniFi Zone-Based Firewall IP blacklist to protect your local services from brute-force attacks. Introduction After analyzing my Postfix server’s activity graph using Zabbix, I discovered that every 5… >>>
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Monitoring Postfix activity by Zabbix
Introduction After installing and configuring mail server, the process of monitoring Postfix activity by Zabbix becomes essential to ensure stability and early threat detection. Defining the monitoring type First, it is essential to determine what exactly needs to be monitored,… >>>
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Configuring Email Forwarding in Postfix
Introduction Postfix email forwarding is a versatile feature that allows you to redirect messages to external addresses easily. In this guide, I’ll focus on user-level forwarding using the .forward file and how to identify these messages using header_checks in a… >>>
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Ubiquiti EdgeRouter X – Hardware Offload
Introduction When I bought the Ubiquiti EdgeRouter X router, the results disappointed me: the efficiency was only 40-50%. In this article, I will show you how to enable EdgeRouter X hardware offload to make it work at 100%! What is… >>>