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More random home lab things I've recently learned

https://chollinger.com/blog/2025/10/more-homelab-things-ive-recently-learned/
71•otter-in-a-suit•1w ago

Comments

j1elo•2h ago
I went in thinking that maybe there's something to learn for my grand total of 1 ThinkCentre M910q "homelab", but this author's setup is on another league, I'm sure closer (or surpassing) the needs of a small/medium company!
tylerflick•1h ago
It’s another league, but I don’t get the point of mixing enterprise rack-mounts with Raspberry Pis.
NoboruWataya•1h ago
I second the shout out for Mealie, it's very useful. Importing from URLs works very well, and it gives you a centralised place for all your recipes, without ads or filler content and safe from linkrot.
Havoc•1h ago
My most recent learning - DDR4 ECC UDIMMs are comically expensive. To the point where I considered just replacing the entire platform with something RDIMM rather than swapping to ECC sticks.

>No space left on device.

>In other words, you can lock yourself out of PBS. That’s… a design.

Run PBS in LXC with the base on a zfs dataset with dedup & compression turned off. If it bombs you can increase disk size in proxmox & reboot it. Unlike VMs you don't need to do anything inside the container to resize FS so this generally works as fix.

>PiHole

AGH is worth considering because it has built in DoH

>Raspberry Pi 5, ARM64 Proxmox

Interesting. I'm leaning more towards k8s for integrating pis meaningfully

FuriouslyAdrift•1h ago
>AGH is worth considering because it has built in DoH

Technitium has all the bells and whistles along with being cross platform.

https://technitium.com/dns/

Aurornis•1h ago
> My most recent learning - DDR4 ECC UDIMMs are comically expensive. To the point where I considered just replacing the entire platform with something RDIMM rather than swapping to ECC sticks.

DDR4 anything is becoming very expensive right now because manufacturers have been switching over to DDR5.

Havoc•13m ago
Yeah, built on AM4 and in hindsight spending more on mobo & CPU to hop on AM5 would have been the smart move. Live & learn.

On the plus side I have a lot of non-ECC DDR4 sticks that I'm dumping into the expensive market rn

ocdtrekkie•1h ago
One of my favorite CyberPower perks is their RMCARDs for network monitoring: It's a separate module that works in basically all of their rackmount UPSes. You can replace the entire UPS without having to pay for the little mini web server again, it'll just pop right into the new unit.
icyfox•10m ago
It's a neat chip but I couldn't bring myself to spend in excess of the price of the UPS ($439.00 for RMCARD at time of writing). I ended up hooking my NAS via USB to my existing home server via NUT and it's been working well.
immibis•55m ago
I've recently learned that "homelab" is a specific thing meaning you run certain software (like Proxmox), and not a generic term for running a 'server lab' at home.
tehlike•36m ago
You can run whatever. You don't need specific software
woodrowbarlow•32m ago
some people think it's not "homelabbing" unless you're doing things the way it's done at large scale. i think these people are aiming to enter IT as a career and consider a homelab to be a resume project.

but proxmox and kubernetes are overkill, imo, for most homelab setups. setting them up is a good learning experience but not necessarily an appropriate architecture for maintaining a few mini PCs in a closet long term.

you can ignore the gatekeeping.

orthoxerox•6m ago
k8s is definitely an overkill if your goal is not learning k8s.

proxmox is great, though. It's worth running it even if you treat it as nothing more than a BMC.

shermantanktop•8m ago
Most “homelabs” are built by a developer LARPing as a sysadmin, with a user population of one (themselves) or zero for most of the features.

It’s the SUV that has off-road tires but never leaves the pavement, the beginner guitarist with an arena-ready amp, the occasional cook with a $5k knife. No judgment, everyone should do what they want, but the discussions get very serious even though the stakes are low.

srjilarious•43m ago
I just learned about the whole homelab thing a week ago; it's a much deeper rabbit hole than I expected. I'm planning to setup ProxMox today for the first time in fact and retire my Ubuntu Server setup running on a NUC that's been serving me well for last couple years.

I hadn't heard about mealie yet, but sounds like a great one to install.

walthamstow•37m ago
I have Proxmox running on top of a clean Debian install on my NUC, I wanted to allow Plex to use the hardware decoding and it got a bit funny trying to do that with Plex running in a VM, so it runs on the host and I use VMs for other stuff
wltr•20m ago
A Few Moments Later
tom1337•13m ago
If you want to go another, related rabbit hole, check out the DataHoarder subreddit. But don't blame me, if you’re buying terabytes of storage over the next few months :)
ryandrake•21m ago
Not sure I understand the need to use a Raspberry Pi here. They're cool and all, but wouldn't a regular old PC be simpler to setup, maintain, and attach hardware to? It's a hobby--and you can do whatever you want, but I wouldn't involve a Pi in a home server setup unless I specifically needed something it bought me, like the small form factor, low power usage, GPIO pins and so on.
fartfeatures•12m ago
I always need lower power consumption. I'm in the UK and my power costs are $0.40 per kWh. Even running a raspberry pi 5 24/7 would cost me $25 per year
Spooky23•4m ago
[delayed]
srcreigh•10m ago
Can somebody explain the whole proxmox thing? I haven’t used it, I use k3s.

I don’t get why people use VMs for stuff when there’s docker.

Thanks!

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More random home lab things I've recently learned

https://chollinger.com/blog/2025/10/more-homelab-things-ive-recently-learned/
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