Ostrich blog
  • Website availability monitoring using UptimeRobot

    Website availability monitoring using UptimeRobot

    Introduction I recently discovered that my web server was down. After contacting the provider, the services were restored, but unfortunately I was unable to record the time the connection was… >>>

    June 4, 2025
  • Configuring Email Notifications in Zabbix

    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… >>>

    May 28, 2025
  • Cloudflare: real experience repelling a DDoS attack from russia

    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… >>>

    May 25, 2025
  • Configuring PostfixAdmin to manage mailboxes

    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… >>>

    May 19, 2025
  • Telegram bot for electricity monitoring

    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… >>>

    May 13, 2025
  • Raspberry Pi as a KVM hypervisor

    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… >>>

    May 8, 2025
  • Monitoring HP LaserJet usage using SNMPv3 with Zabbix

    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… >>>

    April 30, 2025
  • How to Make Full-Width Content in the WordPress

    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… >>>

    April 25, 2025
  • Creating a Custom Field for the Polylang Plugin in WordPress

    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… >>>

    April 22, 2025
  • Zabbix 24-Hour Time Format

    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… >>>

    April 18, 2025
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