# Before You Begin

- [Assumed Knowledge](/chi-in-a-box/before-you-begin/upstream-docs.md)
- [Hosts and Services](/chi-in-a-box/before-you-begin/hosts-and-services.md)
- [Network Overview](/chi-in-a-box/before-you-begin/openstack-architecture.md): Where all the moving parts are
- [CC-Ansible](/chi-in-a-box/before-you-begin/command-line-interface.md)
- [The site configuration](/chi-in-a-box/before-you-begin/the-site-configuration.md)
- [inventory](/chi-in-a-box/before-you-begin/the-site-configuration/inventory.md)
- [defaults.yml](/chi-in-a-box/before-you-begin/the-site-configuration/defaults.yml.md)
- [passwords.yml](/chi-in-a-box/before-you-begin/the-site-configuration/passwords.yml.md)
- [certificates/](/chi-in-a-box/before-you-begin/the-site-configuration/certificates.md)
- [node\_custom\_config/ (optional)](/chi-in-a-box/before-you-begin/the-site-configuration/node_custom_config.md)
- [post-deploy.yml (optional)](/chi-in-a-box/before-you-begin/the-site-configuration/post-deploy.yml.md)
- [How Deployment Works](/chi-in-a-box/before-you-begin/how-deployment-works.md)
- [Security considerations](/chi-in-a-box/before-you-begin/security-considerations.md)