https://www.odoo.com/documentation/11.0/setup/install.html
https://www.odoo.com/zh_CN/forum/help-1/question/installing-odoo-11-in-centos-6-9-and-in-a-virtual-environment-for-python-3-6-126207
https://linuxize.com/post/install-odoo-11-on-centos-7/
https://www.rosehosting.com/blog/install-odoo-10-on-centos-7-with-apache-as-a-reverse-proxy/
https://linuxize.com/post/install-odoo-11-on-centos-7/
https://www.vultr.com/docs/installing-odoo-10-community-on-centos-7