Please read all below README files to install and configure different use cases:
README_Grafana.md --- > For installing Grafana
README_Jira.md ---> For Integrating JIRA with Grafana
README_Loki_Setup.md ---> For Logs Aggregation using Loki and Promtail
README_PromQL.md ---> Understanding PromQL Queries
README_Tempo_Setup.md ---> Tempo Installation and configuration for tracing sample application