submitted 1 year ago* (last edited 1 year ago) by blotz@lemmy.world to c/selfhosted@lemmy.world

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Does anyone run their own Lemmy instance on a pi? How was the process of setting it up? Were there any pitfalls? How is performance?

[Edit] So a lot of testing around. Compiling from scratch, etc, etc...

So far i have tried

installing lemmy using rootless docker (on 0.17.3)
compiling the image 0.18 docker image as arm

rootless docker did not work well for me. lots of systemd issues and i gave up after running into a lot of issues. I tried rootless docker for security reasons. minimal permissions, etc.

When trying to compile the latest lemmy image in arm, i ran into issues with muslrust not having an arm version. It might be worth investigating rewriting the docker file from 0.17.3 to work with 0.18.0 but i haven't investigated that fully yet! I tried compiling the latest image because i wanted to be able to use the latest features

At the moment, I'm trying to set lemmy to run under bare metal. Im currently attempting to compile lemmy under arm. If that works, i'll start setting up .service files to start up lemmy and pictrs.

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[-] blotz@lemmy.world 2 points 1 year ago* (last edited 1 year ago)

Im looking at setting up a lemmy instance on a rpi3 with cloudflared tunnel! I'm curious to see if anyone else has done this and how it was.

Edit: I'll give it a whirl and hopefully post an update from my new instance later!

Edit 2: I appear to have lost my micro sd card reader! I cant write a new image hah

[-] Tolstoy@lemmy.world 1 points 1 year ago

Please don't forget to give us updates on your adventure^^

[-] marsara9@lemmy.world 1 points 1 year ago

I was able to get it setup, main things to watch out for:

Don't use the provided docker compose file. Or more precisely don't build from source and lookup the correct image tag on docker hub first.
The documentation was a bit confusing. This isn't really specific for the Pi but since I was creating a compose file from scratch some of the steps listed didn't quite explain all of the details.

I only used it for testing purposes, but performance was fine (on a Pi4 4gb). Note I only ever had one user.

[-] HowdWeGetHereAnyways@lemmy.world 1 points 1 year ago

Hey OP, I'm on a similar journey (except I'm using an rpi kubernetes cluster)

I don't have advice but I do want to wish you good luck

[+] YellowtoOrange@lemmy.world -15 points 1 year ago

What user cap would a pi have running an instance?

[-] blotz@lemmy.world 0 points 1 year ago

Are you asking me what i plan to set the cap to? I guess just me. I cant see anyone else wanting to run off a pi from my house and there are so many other instances to join.

[-] Path23@lemmy.world 0 points 1 year ago

I’m a newbie here but what would be the benefit of running an instance just for yourself?

[-] HunterHog@pathfinder.social 0 points 1 year ago

The ability to host your own data - both for privacy, and insurance that the instance you host your account in won’t suddenly disappear.

[-] thegreenguy@kbin.social 0 points 1 year ago

I would also add that Lemmy is part of the fediverse, meaning it is federated. Federation means all instances "talk" to all instances (unless they defederate), so you aren't limited only to the content on one instance (or in some cases not even Lemmy, case in point: I'm posting this from my kbin.social account).

[-] adora@kbin.social 1 points 1 year ago

same!

[-] Adama@kbin.social 1 points 1 year ago

What happens to posts/comments and any media/content that is hosted on a server that just goes away (for example if I created one virtually and then deleted it or if a sdcard on a pi is corrupted)

[-] marsara9@lemmy.world 1 points 1 year ago

If you upload an image to that server, the image will be gone. Your comments will still exist on other federated instances, assuming that instance was federated in the first place. But any replies to those communities will not propagate once the hosting instance is offline.

For example assume you have 3 instances, A, B, and C. You have an account on A and create a post to a community on A. At some point A goes away, but those posts and that community will still exist on B and C. So you create a new account on B, and reply to one of those posts... users on C won't be able to see those replies as A isn't there to broadcast those replies out. And if someone on C creates a new post on that community from A, you wouldn't be able to see it on B either.

P.S. The same is true if A just decides to defederate instead of shutting down. (other than the images and accounts would still exist obviously).

[+] YellowtoOrange@lemmy.world -9 points 1 year ago

No, I meant what is the user limit based on the power of the raspberry pi tech specs.

[-] poVoq@slrpnk.net 1 points 1 year ago

Basically the limit would be the speed of the database and the drive it runs on. If you connect a SATA SSD via usb3 it shouldn't be too bad. Can't tell you exact figures but a few hundred users is probably ok if you don't expect the site to be super responsive.

this post was submitted on 26 Jun 2023

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