@epyonblack, Following could be some of quick methods to get sample logs/real-time data:
1) Splunk Documentation on Search Tutorial has the tutorial simulated data for buttercup games. This data is cooked up every week for the past week and uploaded. http://docs.splunk.com/Documentation/Splunk/latest/SearchTutorial/WelcometotheSearchTutorial
2) The Eventgen app on Splunkbase generates dummy data based on what you set up. Refer to blog: https://www.splunk.com/blog/2013/07/31/an-easy-way-to-generate-sample-data.html
3) Splunk's _internal logs can also be used to general dashboards as Splunk uses these logs to monitor itself.
4) If you are on Windows machine, you can also turn Performance Monitor on your local machine to get real-time CPU, Memory, disk utilization or using Event Monitoring get the Event Viewer logs of your local machine .
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