Posts – Andrea Zonca

Using GitHub Releases to keep track of Large Artifacts

github

GitHub Releases provide a way to attach large artifacts, such as binaries or large autogenerated files, without polluting the repository. A release points to a specific…

Deploy Kubernetes and JupyterHub on Jetstream with Magnum and Cluster API

kubernetes

jetstream

jupyterhub

This tutorial deploys Kubernetes on Jetstream with Magnum and then JupyterHub on top of that using zero-to-jupyterhub.

Proposal for of Simons Observatory Data Products Attribution

data

CC BY 4.0 only requiring attribution and not restricting commercial use or remixes.

Run Windows and WSL on Jetstream

jetstream

Need access to a Windows machine? You can leverage Jetstream 2, spin up a Virtual Machine with Windows Server 2022 and access the Windows graphical desktop through your…

Allow users to self-invite to a Google Calendar event

openscience

Google Calendar is the most popular calendar service, and it is widely used in academia, often Scientific Collaborations maintain one or multiple shared calendars to keep…

Deploy a LLM Chat-GPT like service on Jetstream

jetstream

llm

In this tutorial we will deploy a LLM Chat-GPT like service on a GPU node on Jetstream. For experimentation purposes we are using the smaller and cheapest GPU node available…

Kubernetes monitoring with Prometheus and Grafana

kubernetes

jetstream

jupyterhub

In a production Kubernetes deployment it is necessary to make it easier to monitor the status of the cluster effectively. Kubernetes provides Prometheus to gather data from…

Generate script to mount a Manila share

kubernetes

jetstream2

Jetstream 2 makes creating volumes that are shared across instances as easy as creating standard volumes. This is provided by the Manila service, which creates volumes based…

Configure ssh-agent on Linux

linux

I keep Googling this again and again.

Tutorial on Python for HPC at the SDSC Summer Institute 2024

python

hpc

Each August the San Diego Supercomputer Center organizes a week-long summer school that teaches a large number of topics related to Supercomputing and AI to early career…

How to use Anki flashcards to help kids learn spelling

documentation

In the Anki Desktop app on your computer, from the main screen, click on the “Create Deck” button to create a new deck, name it “Spelling::Week1” or similar. This is going…

Generate sample Cosmology data for Cheap and FAIR data portal with PySM

cosmology

healpy

pysm

This notebook generates some figures of Galactic and Extra-Galactic emissions using PySM. Mostly for displaying purposes.

Cosmic Microwave Background data licensing

data

Some thoughts on how to license and attribute data products from the Simons Observatory.

Export a Confluence page to Markdown

documentation

I feel the pain, you have a page trapped in Confluence and you want to set it free. Of course the “Export” features of Confluence are useless.

Ubuntu 22.04 Minimal on Jetstream

kubernetes

jetstream2

Update July 2024: Ubuntu 22.04 Minimal image with Generic Kernel

Generate point source maps with pixell and convert to HEALPix

cosmology

pysm

Testing the pixell sim_objects functionality to create maps of point sources pre-smoothed with a gaussian beam. The purpose is to include this functionality in PySM to be…

Run (part of) healpy in the browser with pyodide

python

healpy

Thanks to the help of @VeerioSDSC and Rick Wagner, I have been able to run part of healpy in the browser. For now only tested reading FITS maps and plotting with projview.

Conditional authentication on a single endpoint with FastAPI

python

Building on my previous tutorial, I have now implemented a toy FastAPI application which requires authentication based on query parameters.

Deploy a web server with automatic HTTPS for static website and Django app on Jestream 2

jetstream2

As part of my work to support the Jetstream 2 Openstack deployment at Indiana University, I have developed a tutorial that explains how to create a Virtual Machine that…

Authenticate FastAPI endpoints with a Github organization

python

FastAPI is a framework that simplifies building APIs in Python. Authentication via Google, Github and many more is provided by FastAPI-SSO.

Jupyter Notebook frontmatter for Quarto to download source notebook

python

jupyter

Quarto is one of the best platforms to create statically generated blogs with Markdown and Jupyter Notebooks.

AI Code Assistant at NERSC

python

nersc

If you are used to Github Copilot on VS Code or on Google Colaboratory as I am, coding without an AI assistant is so slow!

Interactive 3D plot of a Planck map with Matplotlib

python

astrophysics

This is an update of my older tutorial

HEALPix in Megapixels

cosmology

healpy

How many megapixels is a HEALPix map?

Load data from Globus in the browser and plot with pyscript

python

Globus supports a Javascript SDK which allows to authenticate against Globus Auth and then access all the Globus services, for example accessing protected data or setting up…