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Configuring PostfixAdmin to manage mailboxes
Introduction Since my Raspberry Pi already has Postfix + Dovecot installed and configured via a DB connection, there is a need to administer mailboxes. For the convenience of administration, it… >>>
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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… >>>
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Raspberry Pi as a KVM hypervisor
Introduction The Raspberry Pi has long transcended its original role as a simple board for enthusiasts: today it is a fully functional mini-computer capable of performing complex tasks, including hardware… >>>
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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… >>>
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How to Make Full-Width Content in the WordPress
Introduction The Twenty Twenty-Two theme, part of WordPress’s default theme lineup, is built using the modern Full Site Editing (FSE) approach. While this brings a lot of flexibility, it also… >>>
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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 interface elements like titles, menus, or post content but also custom strings located, for example, in… >>>
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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… >>>
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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… >>>
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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… >>>