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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
If you can't find a tool to do it the way you're looking for, my approach would be to install mcrcon on the server and then SSH to the server and run the commands to grant OP via the terminal. (Plenty of SSH clients for the phone, if you need to do it remotely.)
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