Everything you want is definitely possible for the budget.
I used an old I5 laptop with 4GB of RAM for a year or two. If you need a lot of storage, an old HDD will be fine usually. A raspberry pi 4 or 5 will be slower, but would still work, but if Norway prices are anything like belgium, an old I7 laptop sips power and will save money in electric costs
A few tips:
Run nextcloud all-in-one or spend some time optimizing nextcloud. It will help performance a lot
Unless you are a serious photographer, use Immich, 100%. Immich is a google photos replacement that has a bunch of good user features like accounts and good security and sharing that photoprism just doesn’t. Photoprism is really geared towards professional photographers.
transmission + wireguard container for a VPN is the way to go …
radarr/sonarr/lidarr & prowlarr are good to use with transmission
First of all, thanks to all who replied! I didn’t think there would have been that many people who self-host a SSO-server, so I am happy to see these replies.
As a side-note, I have also been looking into making the setup more robust, i.e. add redundancy. For a “light redundant” senario (not fully automatic, but -say- where I have a 2nd instance ready to run, so I just need to adapt the DNS-record if it is needed), can I conclude from the “makeing a backup” question, that I just need to run a 2nd instance of postgres and do streaming-replication from the main instance to the backup-instance ?
Or are there other caviats I haven’t thought about?
I used to have old ThinkStation as a home server. Even older ones like S20 I have couple of laying around is still pretty capable system (I’m typing this on one) and as they’ve been CAD workstations and things like that when they were new many have 12+GB of RAM already. I got mine for free troguh a work contact, but they should be available via ebay or (preferably) your local version of it for pretty cheap.
Then you just need new drives and their prices have dropped too. 100€ is a bit of a stretch, but if you can get a whole computer from someone in the industry it should be possible. I have a few systems laying around I could get rid of for a case of beer or something, but shipping alone from here would eat up majority of your budget (if anyone is interested in x3550 m3 throw me a message, located in Finland, I might remember the model wrong but that’s roughly in the ballpark).
Other than thinkstations I’d say you’ll want a xeon CPU with at least 4 hyperthread cores, 16GB RAM and all the drives your budget has left. SSD for a boot drive(s) is nice to have, but spinning rust will get you there eventually.
Many rack mounted servers only accept SAS-drives which are a bit more expensive. Tower mounts generally use SATA so you can just throw in whatever you have laying around. The main concern is amount of RAM available. For older systems it might be a bit difficult to find suitable components, so more you have already in place the better. For VM server I think 16GB or above is fine for learning and it might be possible to shoehorn most of the stuff in even with 8GB. Performance will definetly take a hit with less RAM, but with that budget some compromises are necessary.
So, in short, with that budget it might be possible if you have a friend who has access to discarded workstations or happen to stumble in a good deal with local companies. It’ll require some compromises and/or actively hunting for parts and with old hardware there’s always possibility of failure so plan accordingly.
The Raspberry Pi 5 might be good enough for your needs. The 8GB costs a bit less than 100€ without any accessories at the danish reseller, so it fits in your budget. I don’t know if it’s good enough for all your services.
Does budget include storage? Tight budget without storage, even tighter with…
If power usage not a concern then used x86/x64 gear is probably the way to go. Surplus gear (corporate, university…) possibly an option for you. That’s a very tight budget though, so I don’t think it really gives you the luxury of choosing specs unfortunately. That said: I might go fot the best bones/least RAM/storage if you think you might upgrade it down the road. 4GB RAM with an upgrade path to 32 is preferable to 8GB non-upgradable IMHO. Likewise, 500GB spinny disk with extra bays and an NVME slot is nicer than 500GB SSD with no upgrade path. Again… really tight budget so this may all be out of the question.
I’m a fan of low power gear, so I’d recommend something like a Raspberry Pi 5 8GB, or another SBC (I just grabbed an Orange Pi 5 Plus and I like it so far — NVME, 16GB RAM, dual NIC). However these will be out of your budget, especially once you add case, power supply, and storage.
My use case is similar. So i use a Pi 5 running motioneye dev 64bit. 3 cams 2 usb webcams (uvc compliant) 1 esp32 cam wifi. Another Pi a 4 this time runs pihole and wireguard vpn. Static ip so all is good. Homarr is my dashboard and i can view from that or the motioneye interface directly.
however the packages for nginx-rtmp are quite abandoned in arch linux.
Maybe you should switch to Debian? I’ve been doing it for a long time that way and playing to VLC without issues. What repositories are you using btw? Official ones at nginx.org/en/linux_packages.html or some 3rd party garbage?
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