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Lemmy on a raspberry pi (lemmy.world)

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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[–] YellowtoOrange@lemmy.world -5 points 1 year ago (1 children)

What user cap would a pi have running an instance?

[–] blotz@lemmy.world 0 points 1 year ago (1 children)

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.

[–] YellowtoOrange@lemmy.world -4 points 1 year ago (1 children)

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

[–] poVoq@slrpnk.net 0 points 1 year ago (1 children)

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.

[–] YellowtoOrange@lemmy.world -2 points 1 year ago (1 children)

Thanks. Might be useful for there to be a table outling diffrent hardware configs and acceptable user loads as more people people consider creating instances.

[–] adora@kbin.social 0 points 1 year ago (1 children)

its difficult because different users have different usage patterns.
for example, two users who never post and are never online at the same time really take no resources from each other. they are effectively "one" user.

one user who posts 10gb of content a day, and is constantly posting would be equivalent to hundreds of "normal" users.

[–] YellowtoOrange@lemmy.world -3 points 1 year ago

Yes, sure, didn't want to complicate the question by adding that :)