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Configuring Email Notifications in Zabbix
Introduction When reviewing metrics in Zabbix, sometimes it’s not enough to just check the Current problems section on the dashboard. Zabbix has many additional ways to notify the administrator about certain events. One of them, which interests me, is configuring… >>>
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Cloudflare: real experience repelling a DDoS attack from russia
Introduction When I bought a domain and decided to deploy a public site on my Raspberry Pi (this blog you are reading now) I knew that a DDoS attack would happen, for sure, but it was only a matter of… >>>
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Monitoring HP LaserJet usage using SNMPv3 with Zabbix
Introduction I use an HP LaserJet MFP M141w multifunction device (MFP). This MFP is quite attractive for home use, as it has quite small physical dimensions, which makes it possible to place it on a small bedside table, or on… >>>
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Zabbix 24-Hour Time Format
Introduction Zabbix is a powerful monitoring tool that by default installs with English (US) locale settings, which means time is displayed in the 12-hour AM/PM format. For users who are used to the 24-hour format, this can be inconvenient. To… >>>
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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). It adds an extra layer of protection on… >>>
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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 but also from the internet, which may pose a security… >>>
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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 as the CPU temperature. In this guide, I’ll walk you… >>>
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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 monitoring type First, it is essential to determine what exactly… >>>
