With Linux any old computer from yesteryear can become a quick server. That's what I do, just make sure you got backups.
this post was submitted on 07 Feb 2025
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Same, in fact you can also went down in RPi models. Basically the more you know, the less you need, e.g. going from Plex to Kodi to minidlna...
I have literally been on this exact journey. Mind you I'm on NixOS across two boxes so not quite a raspi... Perhaps my downsizing is not yet complete
Absolutely the best way to learn though. The number of places I've walked into that had no clue about containers or even a vpc and thought Google drive was an API is too damn high.
I have actually had to write something that used the Google drive API for a friend's company once and it was... Unpleasant. Counterintuitive. Woefully inconsistent. My solution worked but it sucked and I am a bit ashamed of it
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I spend all day at work exploring the inside of the k8s sausage factory so I'm inured to the horrors and can fix basically anything that breaks. The way k8s handles ingress and service discovery makes it absolutely worth it to me. The fact that I can create an HTTPProxy and have external-dns automagically expose it via DNS is really nice. I never have to worry about port conflicts, and I can upgrade my shit whenever with no (or minimal) downtime, which is nice for smart home stuff. Most of what I run tends to be singleton statefulsets or single-leader deployments managed with leases, and I only do horizontal for minimal HA, not at all for perf. If something gives me more trouble running in HA than it does in singleton mode then it's being run as a singleton.
k8s is a complex system with priorities that diverge from what is ideal for usage at home, but it can be really nice. There are certain things that just get their own VM (Home Assistant is a big one) because they don't containerize/k8serize well though.
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I ran lots of containers on a Pi 4 but recently purchased two cheap Chinese mini PC's with 16GB RAM and an SSD. They're so much faster and only a bit dearer than a Pi. I run Proxmox on both.
Absolutely nothing wrong with the Pi though. The Pi 4 lives on with a USB drive attached. I have NFS configured on it to backup my Proxmox VMs to it. It also hosts all the media for Jellyfin.
If you think about it, the kubernetes nodes often are only raspberry pis specwise. 2-4 cores, 8-16gb of ram
Ha ha
Under-complicated -> over-complicated -> under-complicated.
There's a 'just right' that I think you skipped through.
