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Notes from the homelab and the data center.
Field notes, architecture guides, and technical tutorials for systems engineers.
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FEATURED
Rotate a Leaked API Token Without Guesswork
Revoking a credential quickly matters, but so does knowing which services depend on it. Use a deliberate rotation sequence that limits both exposure and avoidable downtime.
Latest posts
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A Container Is Unhealthy; Start With Its Probe
An unhealthy status is a signal, not a diagnosis. Inspect the health check’s recent output and execution context before restarting a container.
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When DNS Fails, Find the Resolver Boundary
A service name fails on one host but works on another. Compare what each resolver returns before changing network settings or blaming the application.
Creators I follow
AdjacentNode
adjacentnode.com
Kevin Nanns, an enterprise network architect, explains how networks and everyday tech work through videos, field notes and home lab experiments.
NetworkChuck
linktr.ee/networkchuck
YouTube videos on networking, cybersecurity and hands-on tech projects, plus CCNA and A+ certification training.
Gamers Nexus
gamersnexus.net
In-depth PC hardware reviews and benchmarks covering CPUs, GPUs, cases and coolers, plus hardware news and factory tours.
tracketpacer
tracketpacer.com
Lexie, a network engineer, makes educational networking videos for TikTok, YouTube, Instagram and Twitter.
Hardware Haven
hardwarehaven.media
Fun, creative projects that find new uses for old and spare PC hardware and other tech.
Level1Techs
level1techs.com
Videos on technology, science and design from a team focused on how tech shapes the world.
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