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Dan Upton

Recent content from Dan Upton

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Latest posts

Workload Identity Meets Supply Chain Security: Teleport's Sigstore Integration

Thwarting supply chain attacks with Teleport Machine and Workload Identity

Introduction to Cassandra for SQL folk

"Where we're going, we don't need foreign keys!"

Consensus in Distributed Systems

As part of a series of monthly slots giving team members an opportunity to present about a topic of their interest, I recently gave a talk to the Geckoboard engineering team about consensus in distributed systems. We took a brief tour of the challenges presented by the CAP theorem, before diving into the Raft consensus algorithm. The video was recorded from a conference call, so the audio…

Building Geckoboard Lite

Running Chrome on the server to support old and low-powered devices

How to build a network stack in Ruby

Learning about sockets, datagrams, bit-twiddling and more — all from the comfort of a high-level language