2025 / Week 35

Warning: Contains tongue-in-cheek language that might feel provocative if you have invested part of your identity into y…

Note: this blog is about mapping VLAN tags to NSX segments. The same functionality is described for VPC subnets in this post. Guest VLAN Tagging alone… not great with NSX By default, a virtual machine sends traffic to its vNIC untagged. The virtual switch then receives that traffic into a single VLAN or NSX segment. … Continued

“It’s always DNS” is a famous meme among network people. Name resolution is technically quite simple. It’s “just” translating a hostname like jan.wildeboer.net to an IP address. What could possibly go wrong? I am a radical optimist and detail-obsessed knowledge collector, so I decided to find out. As part of my goal to make my home network a little island of Digital Sovereignty, meaning that everything at home should JustWork™, even with no working internet connection, a DNS server is needed.

Home internet in the 90s felt simple. You plugged into [Ethernet](https://en.wikipedia.org/wiki/Ethernet), got an [IPv4](https://en.wikipedia.org/wiki/IPv4) address, and you could expose a service dir...

A simple, fast and user-friendly alternative to 'find' - sharkdp/fd

A powerful, real-time log analysis terminal UI inspired by k9s. Analyze log streams with beautiful charts, AI-powered insights, and advanced filtering.

Go’s interfaces are very funny. Rather than being explicitly implemented, like
in Java or Rust, they are simply a collection of methods (a “method set”) that
the concrete type musthappento have. This

Master runit Linux init system with comprehensive guide covering installation, configuration, service supervision, and practical examples for efficient system management.

Modern terminal HTTP/TCP latency monitoring tool with real-time visualization. Thinkhttpingmeets modern CLI design with rich terminal UI, phase timing, and advanced analytics.