How to install open source Grafana panels - GroundWork 7.2.1 Documentation - GWConnect
Grafana Plugin Installation in Percona Monitoring and Management 2.x
Grafana on Twitter: "New Clock Panel for Grafana 3.0 - @danlimerick did a write up on how he created it. https://t.co/vj9dBrStNT https://t.co/myHuD2MHhr" / Twitter
Migrating to v7 causes settings to be lost from previous panel config · Issue #79 · grafana/clock-panel · GitHub
Timing is Everything. Writing the Clock Panel Plugin for Grafana 3.0 | Grafana Labs