Odoo 8 was released in September 2014 and reached its end of life on October 5, 2017 (when Odoo 9 was released). It requires out-dated Python 2.7 which is not available on Ubuntu 22.04. However, there are still some reasons for us to install Odoo 8 on Ubuntu 22.04:
Continue reading Install Odoo 8 from source on Ubuntu Server 22.04 Jammy