jul 2, 2026
The dozen layers under a GPU pod
A GPU pod sits on a dozen layers from silicon to scheduler, and each one fails its own way. Drivers, the container toolkit, MIG, DCGM, and the metrics…
Infrastructure notes
Production stories,
written in the calm after.
I do platform work at a startup. This is where I write down the things I had to figure out the hard way, so future-me at 3am doesn't have to.
The workbench, in detail.
SDR, a Flipper, a Pwnagotchi, a few antennas I tuned in bad lighting, and an hourglass for measuring how long a deploy actually takes.
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may 20, 2026
The git commands I actually run every day
Ten years of git, distilled to the daily eight, an fzf branch picker, and the weekly pruning ritual.
may 15, 2026
Seven visual tools, one diagram
Excalidraw is fast, but everything I make in it looks the same. Seven tools that promise visuals with attitude, one diagram, three I'd keep.
may 10, 2026
Lazy SRE's guide to secure systems, part 6: the network in front of everything
Ivanti made everyone re-read their VPN architecture in January 2024. Tailscale, Cloudflare Tunnel, and WireGuard in one afternoon.
The next post, in your inbox.
Long-form infra writing, every few weeks. No tracking pixels, no marketing sequences, no LinkedIn-isms.
Harshit Luthra. Senior SRE, infrequent essayist, occasional source of production incidents. More about me →
What I work in
kubernetes · terraform · aws · next.js · typescript · postgres
22 posts · 11 TILs · writing here since 2018