Installing nodejs 18 in Ubuntu/Debian.
$ vim install_node.sh
sudo apt-get update && sudo apt-get install -y ca-certificates curl gnupg
curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | sudo gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg
NODE_MAJOR=18
echo
"deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_$NODE_MAJOR.x nodistro main" | sudo tee
/etc/apt/sources.list.d/nodesource.list
sudo apt-get update && sudo apt-get install nodejs=18.17.1-1nodesource1 -y