Debian/Ubuntu users: where do you install julia's?

Why not use Docker and simply spin up a container from my JupyterLab Julia docker stack.
→ Multi-arch (linux/amd64 , linux/arm64/v8 ) docker images based on Debian including Julia, JupyterHub, JupyterLab, code-server (aka VS Code), Git, Git LFS, Pandoc, Zsh plus several popular VS Code extensions.

These images have Julia installed at /opt/julia. For Julia versions 1.9 and later, Julia will be installed at /usr/local/julia.

See also JupyterLab + code-server + Julia