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Zabbix local network access only
Introduction Zabbix is a powerful monitoring system often used to track server health, network devices, and services. By default, after installation, the Zabbix web interface becomes available not only locally… >>>
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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. Every dust particle, insect wing texture, or plant surface becomes a full-fledged subject. But a good… >>>
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Monitoring Raspberry Pi CPU Temperature with Zabbix
Introduction In the world of IoT and home servers, Raspberry Pi stands out as a versatile companion. However, to ensure its stable operation, it’s crucial to monitor key metrics such… >>>
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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 article, I’ll show you how I successfully moved… >>>
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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… >>>
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How to Create an IP Blacklist on a Ubiquiti UniFi Gateway Using Zone-Based Firewall
Introduction After analyzing my Postfix server’s activity graph using Zabbix, I discovered that every 5 minutes, an attacker attempts brute-force login attempts. To prevent this, I decided to manually configure… >>>
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Monitoring Postfix activity by Zabbix
Introduction After installing and configuring the Postfix mail server, it became necessary to track various metrics of this server using Zabbix and display a diagram for visual monitoring. Defining the… >>>
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Configuring Email Forwarding in Postfix
Introduction Postfix is a popular Mail Transfer Agent (MTA) that allows email forwarding through various mechanisms. This guide covers user-level forwarding. My Postfix is configured to store email in the… >>>
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Ubiquiti EdgeRouter X – Hardware Offload
Introduction When I bought the Ubiquiti EdgeRouter X router, the first thing I did was test its speed via the speedtest.net website. The results disappointed me: the efficiency was only… >>>
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Review of the Poly BlackWire C3325 (76J21AA) headset
In this review, I explore the Poly BlackWire C3325-M USB-A HS Stereo headset, tested across three sources: smartphone audio, sound quality from the earpieces, and the microphone’s performance. Spoiler: I… >>>
