Issue Summary

This is reproducible on Data Center: (yes)

Steps to Reproduce

1. Current Discovery documentation is lacking an important note - related to Linux deployment
2. On Linux, Discovery must be installed on a GUI Enabled OS, otherwise it will not work as expected

Expected Results

see emphasis in red:
https://confluence.atlassian.com/display/INSDISC/Recommended+Information?src=contextnavpagetreemode

Actual Results

https://confluence.atlassian.com/insightapps/discovery-system-requirements-1085180644.html - no mention of this requirement

Also recommend to include a comment here: Using Discovery on a Linux system

...

Workaround

Install / run Discovery from a GUI enabled Linux system