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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.
The best is (IMO) to set up OpenVPN/Wireguard from scratch so it's easier to fix if anything goes down. There's also premade solutions like Pritunl and Turnkey Linux. I think turnkey is where proxmox pulls in the images so you could just find an OpenVPN image there and launch it.
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