System startup and validation checks

To test and validate the project:

1. Test two-factor authentication. For more information, see Log in with YubiKey.
2. Test the Web Client: Open the Web Client and verify that links are working properly.
3. Test the advanced one-line.
4. Test single sign-on to Dashboards, Advanced Reports, and Web Diagrams.
5. Verify that I/O Devices are Communicating.