asdf is a tool that allows you to manage multiple versions of multiple languages on your system.

This note contains some snippets for installing and configuring asdf on virtual machines (e.g. GitHub Codespaces and Linux cloud servers).

I am using the Fish shell.

# Install and configure
git clone https://github.com/asdf-vm/asdf.git ~/.asdf --branch v0.12.0
mkdir -p ~/.config/fish/conf.d
echo 'source ~/.asdf/asdf.fish' > ~/.config/fish/conf.d/asdf.fish

# Reload the shell
exec fish

# Node.js
sudo apt-get install dirmngr gpg curl gawk
asdf plugin add nodejs https://github.com/asdf-vm/asdf-nodejs.git
asdf install nodejs latest
asdf global nodejs latest

# Ruby
sudo apt-get install autoconf bison patch build-essential rustc libssl-dev libyaml-dev libreadline6-dev zlib1g-dev libgmp-dev libncurses5-dev libffi-dev libgdbm6 libgdbm-dev libdb-dev uuid-dev
asdf plugin add ruby https://github.com/asdf-vm/asdf-ruby.git