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3 million daily requests, zero CDN: optimizing CoMaps maps delivery
For privacy reasons, CoMaps has decided not to use commercial CDNs. Traffic is managed by volunteers directly involved in the project, but some optimization is needed to ensure everything runs smoothly.
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Fixing a bit-rotten industrial machine
A customer’s industrial machine stopped working due to storage corruption. To get back to a working product, a mixture of pentesting, data recovery and reverse engineering was needed.
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Hosting a public webcam from the roof of my house
The technical details behind streaming a live camera feed to hundreds of concurrent viewers without saturating a 30Mbps uplink, using ffmpeg, HLS, and an Nginx reverse proxy with a simple flag