$ sudo su$ apt-get update && /apt-get install -y ca-certificates curl gnupg && /mkdir -p /etc/apt/keyrings && /curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | sudo gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg && /NODE_MAJOR=20 && /echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_$NODE_MAJOR.x nodistro main" | sudo tee /etc/apt/sou..