A personal technical blog covering practical, hands-on fixes and workflows for developers and sysadmins, such as managing DNS as code with DNSControl and resolving OpenVPN cipher errors on Ubuntu. Each issue walks through a concrete problem with step-by-step commands and configuration examples.
Website: https://blockdev.io/
The blog of NLnet Labs, an open-source steward behind DNS, BGP and RPKI software such as Unbound, NSD and Routinator. It covers regulation like the EU Cyber Resilience Act, security audits, and how AI is changing open-source maintenance.
A personal blog on Ethereum Name Service (ENS) development, covering rollout tracking, integration of blockchain naming systems with the global DNS, and ENS-based AI agent identities. Posts pair technical explanation with working tools and prototypes built by the author.
Practical network engineering write-ups covering MikroTik RouterOS, Cisco IOS, DNS security and lab automation with ContainerLab. Readers get configuration examples and the reasoning behind them.
Chris Kirby, an engineering leader, writes practical walkthroughs on homelab networking, DNS high availability, and agentic AI development tooling. The newsletter offers hands-on technical guides and his personal reasoning about building tools for cost-effective AI-assisted coding.
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