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maiskanzler

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maiskanzler ,

While we’re on the topic: What’s a great resource to learn about flakes? I can’t seem to find a great answer that also shows why they are better and when.

maiskanzler ,

There’s the EATON 3SM36 UPS which does 36W on DC, but that is too close to your load. I’d have loved to use it as well, but it’s just too light.

maiskanzler , (edited )

I guess it’s enough to shit everything down safely. But with just 36W it’s not really fit for anything but wifi routers and a Pi.

Edit: Well, I just gotta leave it now I guess😂

maiskanzler ,

Runnin’ a homelab on a Crapberry Pi!

maiskanzler ,

Open it up and destroy the LED or unsolder it, if you can. Sometimes there’s no way around it.

maiskanzler ,

Honey, why is there carbonara sauce on the router?

maiskanzler ,

No, you’ll be fine with smashed LEDs. I have never come across a circuit in a consumer device that would do that. Without getting to technical, it wouldn’t make sense to do that in >99,9% of usecases too. Just remove them thoroughly in order to not create a possible short-circuit.

maiskanzler ,

Rust too! Type-level programming is pretty useful for embedded software.

maiskanzler ,

Take a look at Asrock’s mITX Line with builtin Intel chips. I use a J5005 and it has pretty much all that you are asking for:

  • 4x Sata (2 fast & direct, 2 share a PCIe 2.0 lane)
  • Hardware Transcoding with Intel QuickSync. Works great with jellyfin!
  • Completely passive heatsink. No fans necessary!
  • Super low TDP. Even at max CPU utilization I scrape along on <25W
  • x86_64 and 8 GB of RAM (More is possible, ignore official docs!)

It runs quiet and sips power. It runs quite a few services for me:

  • Minecraft server with DynMap (resource hog)
  • Nextcloud, Jellyfin, Resilio, Photoprism (Data & Sync)
  • HomeAssistant, Vaultwarden, Gitea, paperless, Usenet,…

Nextcloud is snappy. CPU utilization is minimal. RAM is basically empty. I am happy!

You still need a case and a picoPSU, but those are cheap and allow you to properly fit all drives.

I boot off a small 120 GB SSD (slow SATA3), my media lives on a large HDD (slow SATA3) and all docker services, user data and databases are stored on a 2x 1TB SSD RAID (fast SATA).

There’s a free PCIe 2.0 slot on the mainboard which would allow me to add 1 fast SATA3 or 2 more slow ones. The slow ones are ideal for spinning drives.

Both devices you listed are 6000 chips and should be even faster and more efficient. Do they have PCIe 3.0? That would make them twice as fast I/O-wise than my setup!

BTW, stay away from USB HDDs and stick to directly attached SATA or NVMe. Much less finicky, reliably show up after reboot (!) and have SMART statistics! Also, external enclosure are made to look nice but heat up instantly. They degrade performance and life span.

maiskanzler ,

I didn’t take a closer look at your board, sorry. The picoPSU is of course only possible if you need an ATX-Style power supply. If your board has an irregular connector, you’ll first have to find out what that is and where you can find an appropriate supply. It may be a “12 Volt Only” style connector, which would mean you only really need a fitting 12V power supply.

Your max power calculations look fine.

maiskanzler ,

Does using headscale reduce the available functionality in any way? I read Tailscale’s AMAZING article on NAT traversal and was wondering if that was impacted by moving to headscale in any way. Does headscale replace DERP too?

maiskanzler ,

Could it be that your headscale instance is only available over IPv6? Sometimes that’s disabled on mobile networks.

Recommend me a good and cheap VPS.

I currently use a Droplet from DigitalOcean which gives me 1 gb of RAM, 25 gb of storage and a bandwidth limit of 1 TB which is priced at 6 dollars per month, I think this might be a good offer, but I also think I’m overpaying because the only thing that I use from that is Wireguard to get around CGNAT at my home (which I...

maiskanzler ,

I use a IONOS vps from the XS tier for your exact usecase! It’s only 1€/month and comes with 1 vcore, 1GB RAM and 10 GB SSD storage. Connection is fast too (400 MBit/s+) and data transfer is free (fair use). It comes with one public IPv4 adress.

IONOS is the hosting and cloud division of 1&1, a large ISP here in Germany. Super reliable and zero issues for over 3 years of continous use! I had my fair share of problems with smaller and somewhat dubious hosters before, so now I stick to the established ones.

They have datacentres in the US & Spain too, btw. You can also choose OVH (big french hoster) with locations in Germany, France, Canada etc., but they were more expensive last time I checked.

The IONOS management website is great too. They have free snapshots, paid backups, (web) KVM access and a configurable firewall.

Can I use Nextcloud to share a closed-off storage space with a family member?

My brother and I would like to have some sort of storage space in each others’ systems as an offsite backup thing. Ideally, I’d be able to allocate him 2GB of space that he can drop files in (e.g. a Veracrypt container, perhaps a keepass database, not media files). I don’t want him to be able to access anything else on my...

maiskanzler ,

Resilio Pro has encrypted folders. You could each have such a folder on eachothers machine.

maiskanzler ,

If you back them up while they are running you will be in for a lot of tears if you ever decide to restore one of the backups.

Data on disk is not stable while a program that uses it is running. While you are copying the data, the program might write new data alongside it and you never catch all of it. That will result in a corrupted backup!

You can take atomic snapshots with btrfs, zfs and the likes. Those will not suffer from the problem above and represent a “true” and exact point in time. But that still doesn’t solve your problem! The game might still have outstanding writes that you did not capture or the data on disk during operation is unstable by it self. Often programs only write out a stable “savegame” when you stop them entirely. Many games/programs try to detect such a “dirty” state on startup and will (correctly) refuse to run with your snapshot!

Unless your very game was explicitly made for inflight backups and has documentation on this, you are out of luck. Just shut it down, take a snapshot (needs no time, is instant) and start it up again. Then you have all the time in the world to make a backup of the snapshot you created and to transfer it elsewhere.

If you have no snapshot support (ext4 filesystem for example), you need to keep the game server stopped while you make a full copy.

maiskanzler ,

That also works with Jellyfin by the way. You can always switch over to Plex later, if you decide you need it and are willing to spend the money.

maiskanzler ,

Oh wow, thanks for your perspective!

Regarding your last point: My chinese-made e-scooter can’t be readily used right after you buy it. You have to:

  • download the app
  • register an account
  • sign away your soul and firstborn in the privacy and TOS agreement
  • Watch a several minute long & UNSKIPPABLE intro video
  • Finally unlock/activate your scooter

Especially the video felt super dystopian. As if I were not a conscious person, but an asset that needed training.

maiskanzler ,

Ubuntu

maiskanzler ,

I love the dock

maiskanzler ,

I love the stability of LTS

maiskanzler ,

It's easy to use

maiskanzler ,

A lot of proprietary software is easier to install here

maiskanzler ,

I can use the same OS on my servers

maiskanzler ,

dc="docker-compose" saves me soooo much time!

maiskanzler ,

No, it’s just a common saying that shows how people react to this sort of news. It’s a bit cynical but not untrue.

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