According to Ubuntu they do not recommend installing GUI on a production server. I tried installing a GUI but failed before. My mistake before was I did not install xorg and openbox(Window Manager).

sudo apt-get install xorg
sudo apt-get install openbox

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Splunk indexes and makes searchable data from any app, server or network device in real time including logs, config files, messages, alerts, scripts and metrics. 

Splunk is software to search, monitor and analyze machine-generated data by applications, systems and IT infrastructure at scale via a web-style interface. Splunk captures, indexes and correlates real-time data in a searchable repository from which it can generate graphs, reports, alerts, dashboards and visualizations.

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