Quick post to answer some basic usage questions that can throw off new users.

Where should I register?

The age old question of fediverse. The answer is pick an instance that is not right-wing and you should be fine.

https://join-lemmy.org/instances makes this very easy. Once you find an instance, just go to its /signup endpoint. For the instance you’re reading right now, it would be: https://lemmy.dbzer0.com/signup. Another great option is to use the lemmyverse which provides a lot more info about potential instances and communities, including a trust score.

Do I need to create a profile for each instance?

No! Each instance can access each other instance, unless it’s been defederated because its admins are toxic (this is why I told you not to join right-wing instances earlier).

I joined an instance, but the community I am interested in is in a different instance

No problem. Simply add the instance domain at the end of the url endpoint.

For example, say you’re in lemmy.ml and you realized that stable_diffusion is in lemmy.dbzer0.com. To access it, simply add @lemmy.dbzer0.com at the end of the url after the community name. So:

https://lemmy.ml/c/stable_diffusion@lemmy.dbzer0.com

Or to put it differently, you can access any community, in any instance by adding /c/ (The requivalet of reddit /r/) and then community_name@instance.domain

If this doesn’t work, then it’s likely this instance is not yet federated with yours. To solve this, you need to search for it. See the next section.

But how do I even find the community I want to if it exists in any of hundreds of instances?

One option is to use the lemmyverse, as it’s very user friendly, if you specify which instance if your home, it will automatically convert all links to your own instance.

Alternatively use the use the built-in search.

Note that if you search for an community in an lemmy instance your own instance doesn’t yet know about, it won’t find it. You need to give it more precice instructions to find it, which require the whole “address”. To follow our example above, you would put !stable_diffusion@lemmy.dbzer0.com in your search field.

When searching for a community in a new instance, it might take a few minutes to take effect. The first search will not return anything, but if you search again after a couple of minutes, it should appear.

How do I find my community from reddit?

https://sub.rehab allows you to search for any subreddit and see if its official community exists in the threadiverse. You can then search for it specifically to subscribe. If you’ve already registered an account somewhere, make sure you visit the settings in sub.rehab and set your home instance there, so that all links go through it.

Community? Instance?

An instance is a lemmy server hosted by someone. it has its own set of users and communities. lemmy.dbzer0.com is an instance. You can access (almost) every instance from any other instance.

a community is like a subreddit in reddit, or a channel in discord. It’s a topic in inside an instance. stable_diffusion is a community inside the instance lemmy.dbzer0.com.

In more plain terms, consider a lemmy instance like a street, and a community like a number on that street. When you write !stable_diffusion@lemmy.dbzer0.com you are giving the exact address and number to search for.

I keep seeing the same posts

In you’re in a smaller instance and you’ve subscribed to communities in other places, you might have set up your default visibility to not show them.

Switch your view to Subscribed/Hot to get a similar view like the reddit frontpage.

Switch to All/Hot to get a similar view to reddit /r/all

You can store this setting permanently as default in your user settings

Tips and PSA

Also see

  • BeardyGrumps@lemmy.dbzer0.com
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    1 year ago

    Many many thanks for this. Got up and running in no time. Loving the communities and the lack of toxicity in the posts and comments. What a breath of fresh air!

    Just needs traction and more users. Doing my bit posting and getting involved in the discussions. Really scratches that Reddit itch without the dirty feeling that I am supporting some wanker CEO.

  • Azzu@lemm.ee
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    1 year ago

    I made a userscript (Lemmy post) which rewrites all links everywhere (not only on Lemmy) to always point to your home instance. It helps a lot with subscribing to communities and in general makes browsing the web and finding Lemmy links nicer.

      • Azzu@lemm.ee
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        1 year ago

        Also, this userscript also works on Firefox on Android with the Tampermonkey extension, which wouldn’t be possible with a regular extension since those have to be separately approved.

  • underscores@lemmy.dbzer0.com
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    1 year ago

    One correction/clarification and some tips:

    For example, say you’re in lemmy.ml and you realized that stable_diffusion is in lemmy.dbzer0.com. To access it, simply add lemmy.dbzer0.com at the end of the url. So

    https://lemmy.ml/c/stable_diffusion@lemmy.dbzer0.com

    For now this seems only work if the community has already been federated. The first subscriber needs to use the search with either the !stable_diffusion@lemmy.dbzer0.com format or the community’s url. Make sure you have “all” selected so that it’s not just searching locally. Then the search results usually show “No results” even if it’s syncing in the background. After it’s been federated it’ll show up in searches, in the communities list, and will work with those /c/ style links. The UI for federating new communities definitely needs a bunch of work.


    To find and subscribe to communities go to https://lemmy.dbzer0.com/communities, then selecting ‘All’ to look through any that are already federated. If you want to find more, https://browse.feddit.de/ has a mostly complete list of communities. Just watch out though, because it includes instances that are blocked from most sites for obvious reasons.


    A few instances I’ve found centered around various topics:

    https://slrpnk.net - Solarpunk

    https://mander.xyz - Science

    https://programming.dev - Programming

    https://poptalk.scrubbles.tech - Pop Music

    https://pathfinder.social - Pathfinder/Starfinder TTRPGs

    https://sub.wetshaving.social - Wet Shaving

    https://pawb.social - Furry

    https://lemmy.studio - Music

    There’s more for other topics, but a lot of them don’t have any moderation policies listed so I’m not going to recommend them yet. There’s also a bunch of general purpose instances, as well as location based ones.


    One thing that a lot of people find confusing is how there can be multiple communities with the same name, just hosted on different sites. In those cases it’s not a single community viewed in two places. For example !technology@lemmy.ml and !technology@beehaw.org are two separate communities that both exist, and you can subscribe to either or both. Each will have different rules, mods, posts and comments. The full name of a community includes the domain, sort of like an email address.


    I’d also recommend people change their default settings to ‘Subscribed’ so it’s not just showing the posts hosted here. You might also want to set sorting to ‘Hot’, since ‘Active’ tends to show the same threads for days at a time as long as people keep posting in them.


    Right now the federation with kbin.social seems to be broken since they added cloudflare protection. We probably need to wait for them to remove that before communities there can be federated.

    • Sosage@lemmy.dbzer0.com
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      1 year ago

      Can I check if I want to use the same image repeatedly for each post I need to re-upload it each time to get a unique url? as using the same one seems to make the post invisible within the same community?

      • db0@lemmy.dbzer0.comOPM
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        1 year ago

        I think you need to re-upload each time. But why would you want to reuse the same image each time?

        • Sosage@lemmy.dbzer0.com
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          1 year ago

          ahh thanks, I was just trying to get a little image to appear against each of the posts in the community instead of them just showing the default icon.

          • db0@lemmy.dbzer0.comOPM
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            1 year ago

            Having the same image each time is boring! If you want to have an image each time, set up a standard prompt, then use Lucid Creations to generate a new image each time!

    • Wizb4ng@lemmy.dbzer0.com
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      1 year ago

      Trying to understand how to add a new community in jerboa. I search for something but cannot find the community. Also once inside a community how do you searxh within it like say I’m in a community that’s about food how would I searxh within it for steak?

      • underscores@lemmy.dbzer0.com
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        6 months ago

        For now the app only searches communities that have already been federated. Until someone fixes that you need to use the website to find new communities and search through posts.

  • Hiccup@lemmy.dbzer0.com
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    1 year ago

    Could you help me figure what I’m doing wrong when it comes to adding the anarchy chess instance? I have and have been trying the exclamation point thing, but it doesn’t seem to want add on Jerboa. Is it not federated or am I just not doing it right?

    • underscores@lemmy.dbzer0.com
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      6 months ago

      For now there’s a bug in the app that doesn’t let you subscribe to communities that haven’t been federated. Until they fix it you have to go to the website if nobody here searched for it from the site yet.

      I searched for !anarchychess@sopuli.xyz now though so you should be able to subscribe through the app.

  • Levii@lemmy.dbzer0.com
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    1 year ago

    This whole fediverse thing is bizarre to me, and learning how to navigate it and understanding what the hell is going on is weird. Ive signed up like 4 different instances without realising they interconnect and now i feel like i gotta choose one.

    • db0@lemmy.dbzer0.comOPM
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      1 year ago

      I mean, you registered already. The only thing to choose is which one to use as your main “portal” to the fediverse.

  • riek42@lemmy.dbzer0.com
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    1 year ago

    Is there a possibility to hide this post?

    I’ve seen, read and (hopefully 😅) understood it, I would just like to see content straight away instead of this post all the time.

    If not, would this be a server or a client feature? So I could perhaps add it to their issue tracker, if it doesn’t exist yet.