Shopify

You must have to install node and npm.

curl -fsSL https://deb.nodesource.com/setup_20.x | sudo -E bash -
sudo apt-get install -y nodejs

then install npm install -g @shopify/cli @shopify/theme

Then shopify theme init

you need to install git if not availlable on your system

exit as root and run shopify login

now run shopify theme serve 

If it throw error that store not found then run belo command with your store url where you want to login 

shopify login --store v.myshopify.com

Again run shopify theme serve