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Review of Samsung NVMe SSD for Raspberry Pi 5
I purchased a PoE M.2 HAT+ adapter from Waveshare for my Raspberry Pi 5, which allows not only to power the board via Ethernet, but also to connect an NVMe… >>>
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Using an SSH key to connect to the UniFi Network
Ubiquiti’s UniFi Network Controller provides a user-friendly interface for network management, but for deeper diagnostics and configuration, command line access via SSH is sometimes required. For security and convenience, you… >>>
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Review of PoE M.2 HAT for Raspberry Pi 5 from Waveshare
Raspberry Pi 5 has become a real breakthrough in the world of single-board computers. Updated hardware, a more powerful processor, PCIe support via FPC cable – all this opens up… >>>
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Comparison of RJ45 connectors Cat 5e, Cat 6 and Cat 6a
At first glance, all RJ-45 connectors look the same, regardless of category. However, in practice, there are significant design differences between them that affect connection quality, cable compatibility, and network… >>>
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Mission Center – Windows-style task manager
The power of the graphical interface In the Linux world, it is traditionally customary to focus on text interfaces: console, htop, top, systemctl – these tools are well known to… >>>
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How to use Raspberry Pi Connect
Introduction One of the most convenient ways to remotely control a Raspberry Pi has traditionally been to use a VNC server, which allows you to access the Raspberry Pi’s graphical… >>>
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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… >>>
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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… >>>
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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… >>>
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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… >>>
