https://github.com/nodesource/distributions/blob/master/README.md https://reintech.io/blog/installing-nodejs-npm-debian-12
curl -sSL https://deb.nodesource.com/gpgkey/nodesource.gpg.key | sudo apt-key add - # wget can also be used: # wget --quiet -O - https://deb.nodesource.com/gpgkey/nodesource.gpg.key | sudo apt-key add -
curl -fsSL https://deb.nodesource.com/setup_21.x | sudo -E bash - sudo apt-get install -y nodejs