2i2c

@2i2c.org

A non-profit dedicated to helping communities create and share knowledge with open infrastructure for interactive computing. We work in the open, follow along with our blog here 👉 https://2i2c.org/blog

A new Linux kernel zero-day called CopyFail lets code break out of containers onto the host. We took a close look at our community hubs, confirmed they're likely safe, and added another layer of protection just in case. Here's a post about what we learned 👉 2i2c.org/blog/copyfai...

Protecting our hubs against the CopyFail kernel exploit | 2i2c

The recently disclosed CopyFail Linux kernel zero-day (CVE-2026-31431) opens up a way for code running inside a container to break out onto the underlying node. We took a close look at our hubs to…

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Community work is infrastructure work. It’s how open source projects stay healthy, resilient, and welcoming over the long term. We're proud to share that our April (our People Lead) has joined the Jupyter Community Building Working Group! 2i2c.org/blog/april-j...

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We're happy to report out the results of a key initiative for the last quarter: improving the reliability and responsiveness of our community hub infrastructure. Here's a report from Georgiana about what we've tried, improved, and learned: 2i2c.org/blog/infrast...

Improving our community hub reliability and stability in Q4 2025 | 2i2c

This year we’ve prioritized making the cloud safe to try for our member communities. This has driven work in monitoring, alerting, and automating infrastructure so that we resolve small problems…

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sad to be missing #jupytercon this week! But small win, recently made my first PR to JupyterHub fancy-profiles to add support for ARM architecture. & now I have JupyterHub running on an NVIDIA DGX Spark (via k3s). Also have CUDA/RAPIDS based image in rocker for python+R envs, rocker/cuda:arm64

Thanks to Andy from OpenScapes for fixing a docs issue in jupyter-sshd-proxy that helps users connect to JupyterHub via SSH. This is the cycle we want to see - communities use open source tools, find issues, and contribute fixes that benefit everyone 🎉 2i2c.org/blog/2025/op...

A helpful contribution to our JupyterHub SSH README from OpenScapes | 2i2c

We love when collaborators contribute back to the tools we maintain! Andy Teucher from OpenScapes recently fixed a documentation issue in jupyter-sshd-proxy that benefits everyone using the tool. jupyter-sshd-proxy...

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