Posts
All the articles I've posted.
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Building my first Terraform provider, from scratch to the registry
I wanted to understand how Terraform providers actually work, so I built one for Slack and shipped it to the registry. Here is what the lifecycle really looks like.
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It Is Always DNS. This Time It Was Hiding in the Defaults.
CoreDNS CPU was pegged and name resolution failed at random across the cluster. Nothing in the app changed. The load came from a default nobody chose, quietly turning one lookup into five.
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Hardening and Tuning a Shared Hosting Linux Box
A deep how-to on locking down and tuning a Linux server that runs many tenants on one box, kernel semaphores and all
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Diskless Workstations With PXE and iSCSI
A retrospective on running staff workstations with no local disk booted over PXE with home directories on highly available iSCSI storage