There are two ways to Install Odoo. First one is simply install one by one dependencies like Python, PostGres etc. and another way to just simply Download the Installation Script and just Run it. You all setup is done. This Script references is : https://github.com/Yenthe666/InstallScript
You Just have to type 3 Commands in Command Line :
Step 1 :
sudo wget https://raw.githubusercontent.com/Yenthe666/InstallScript/13.0/odoo_install.sh
sudo chmod +x odoo_install.sh
This Command is used to make Executable Script
That’s All. It take some times to Install dependencies, and you got it.