A simple question to this community, what are you self-hosting? It’s probably fun to hear from each-other what services we are running.
Please mention at least the service (e.g. e-mail) and the software (e.g. postfix). Extra bonus points for also mentioning the OS and/or hardware (e.g. Linux Distribution, raspberry pi, etc) you are running on.
Last year I downsized from an old HP tower server with a xeon, and 8x 1tb SAS HDDs, to a single Intel NUC with i5 and 4x 4TB SATA HDDs.
I run Proxmox on it, with several VMs.
I also have a raspberry pi with home assistant and a ZigBee USB adapter, for controlling the lighting in my house.
From what you are doing with your solar monitoring, you might possibly be interested in this community:
https://lemmy.world/c/hmres
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Home Made Renewable Energy Systems