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Table of Contents

Getting Started

  1. Install Orbstack as described here.
  2. In your shell, add the OrbStack directory to your path as instructed when you launch the app. e.g.: export PATH=$PATH:/Users/<user>/.orbstack/bin
  3. After launching, I recommend upping the max allowed memory to at least 16GB. This can be done in the Settings in the app. An indication that you are running out of memory when you compile is if you see messages like: “g++: fatal error: Killed signal terminated program cc1plus”
  4. You can create a Rocky 8 VM called <name> with the command: orb create rocky:8 <name>. Or an Ubuntu machine with the command: orb create ubuntu:noble <name>. If you don’t specify a version, it will use the latest version of the specified O/S. (As of 2/27/25, the latest version of Ubuntu doesn’t work with spack-stack, because it has gcc@14, which is too new. So use Ubuntu “noble” (v24.04)) See this page for full instructions on creating a variety of different Linux machines. Instructions for building spack-stack on Ubuntu Noble are below.
  5. I recommend reading this entire page of the OrbStack docs for the basics of using a Linux machine in OrbStack: https://docs.orbstack.dev/machines/
  6. Once your machine is running, the command orb takes you to a shell in the default machine. (Pay attention to what directory orb takes you to, though, as described in detail in #8 below.) You can change the default machine in the app or CLI if you have more than one. Here is a page on the OrbStack CLI.
  7. Now you’re in the linux machine and you can install spack-stack and jedi-bundle per the usual instructions.
  8. Make sure you know what directory you’re in before installing anything so you don’t accidentally install things on the MacOS side of the filesystem. If you do a “pwd” command and you’re in something that starts with “/Users/*”, you’re probably in the MacOS filesystem. Do a “cd” command to be taken to the Linux home directory.
  9. If you’re using Rocky, and you find for some reason your machine isn’t finding your gcc compiler, remember the command: scl enable gcc-toolset-11 bash
  10. I was able to get VS Code to work on my OrbStack machine using the VS Code Remote Dev tools and the OrbStack SSH server.

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