Centralized Logging on OpenBSD with Loki and Grafana

I have 6 OpenBSD machines that I use for self hosting various services: nuc - My main homeserver, hosts general stuff that I use at home. bluebox - My home router, what connects me to the internet. www - A VPS that hosts this website. smtp - A VPS that hosts my mail server. imap - A VPS that serves my mail clients. vpn - A VPS that I use as a VPN exit node when I need to. Right now, if something goes wrong on one of those servers, or if I want to see something in their log files, I need to ssh into them and start tailing things manually. This is mostly fine, as it’s not something I need to do very frequently, but it is something that every time I do it I’m like “there must be a better way.” That’s not really what I think, what I really think is “I kinda sorta want to play around with getting all my logs aggregated in a single place because I like playing with things and this feels like it could be fun to setup.” I already have centralized metrics via Prometheus and Grafana and I know…