wsl --install Debian
wsl -d Debian
wsl.exe
WSL Welcome Screens
sudo apt install lsb-release
lsb_release -d

sudo apt update
sudo apt upgrade

# no node nor yarn here :
sudo apt install postgresql libpq-dev git zlib1g-dev build-essential libssl-dev libreadline-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt1-dev libcurl4-openssl-dev software-properties-common libffi-dev curl wget # << no node nor yarn here

# node and yarn here !
https://nodejs.org/en/download
[ LTS , Linux , nvm , yarn ]
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.1/install.sh | bash
\. "$HOME/.nvm/nvm.sh"
nvm install 22
node -v
nvm current
corepack enable yarn
yarn -v
# node and yarn here !

https://github.com/rbenv/rbenv-installer
rbenv install --list
rbenv install 3.4.2
rbenv global 3.4.2
ruby -v