1. install homebrew /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"
2. install zsh brew install zsh
3. install oh-my-zsh sh -c "$(curl -fsSL https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"
4. ensure zsh is default bash
5. brew install coreutils
6. install pyenv (python version manager) by following these instructions https://github.com/pyenv/pyenv#basic-github-checkout
7. NB. Apple chip laptops only, need to run do softwareupdate --install-rosetta; installs software so older archecture packages can run.
8. installing anaconda brew cask install anaconda
9. conda won't work until .zsh has conda added to the path, conda init zsh does this but needs to be run from conda's executable (because conda not in path) For old macs: /usr/local/anaconda3/bin/conda init zsh For new macs: /opt/homebrew/anaconda3/bin/conda init zsh
10. Disable the base environment for conda conda config --set auto_activate_base false Note: not recomended to run base anaconda anvironment as per SO answers below.

https://brew.sh/

https://stackoverflow.com/questions/58044214/installing-anaconda-with-pyenv-unable-to-configure-virtual-environment https://stackoverflow.com/questions/57640272/how-can-i-install-anaconda-aside-an-existing-pyenv-installation-on-osx https://www.anaconda.com/blog/using-pip-in-a-conda-environment

Specific pitfalls: