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The handful of pages worth reading first, and the best entry points into the hub.

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Four sites, one VPS: how fiventhree.com actually got deployed

The whole domain went live on a single server in one evening. Here is the topology, the order I did things in, and the four things that broke, including the one where three sites returned 404 while the fourth worked perfectly.

Switch field guide: Huawei and HP Aruba, side by side

The commands I actually reach for during production migrations: two CLI dialects compared task by task, a DHCP failure workflow that has never let me down, and the trunk mistake that cost me half a day.

The media server that taught me infrastructure

It started because the gym WiFi was too slow to stream anything. One month, one dead SAN and two rebuilds later it had taught me Linux, Docker, ZFS, virtualization, VLANs and multicast, and none of the hardware was ever mine.

Wireshark: Traffic Analysis (TryHackMe write-up)

Hands-on packet analysis: detecting Nmap scans, ARP poisoning, DNS/ICMP tunneling and cleartext credentials, with the exact Wireshark filters used for each.

Building this blog

Why this journal is a folder of markdown files and one build script, with no framework, no database and no dependencies.