This script is used to update, install node.js, npm, pm2 and nginx.

serverinstall.sh

echo "updating system"
sudo apt update
echo "Installing node 16.x"
curl -fsSL https://deb.nodesource.com/setup_16.x | bash - &&\
sudo apt-get install -y nodejs
echo "Installing latest npm"
npm install -g npm@latest
echo "Installing pm2"
npm install pm2 -g
echo "Installing nginx"
sudo apt install -y nginx
echo "Install Net-tools"
sudo api install net-tools
echo "Install certbot"
sudo apt install certbot python3-certbot-nginx
sudo apt update