This flag is necessary for Ansible to ask for the sudo password when using the non-root option as documented in the `hosts` file. Otherwise, Ansible errors out with `missing sudo password`.
Prerequisites
Configuring your DNS server
Getting this playbook's source code
Configuring the playbook
Installing
Registering users
Updating users passwords
Configuring service discovery via .well-known
Maintenance / checking if services work
Maintenance / upgrading services
Maintenance / Synapse
Maintenance / PostgreSQL
Maintenance and Troubleshooting
Uninstalling
