this post was submitted on 11 Apr 2025
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29
How to find a post labeled "lemmy.world" that was on another instance? (lemmy.world)
submitted 1 day ago* (last edited 1 day ago) by [email protected] to c/[email protected]
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No idea how I got there but somehow I saw this post somehow on sh.itjust.works, about a prefab house that was found floating in the Pacific. I wanted to comment but the only login I have is on lemmy.world. Notice the post is from The Picard Maneuver, whose posts I've seen many times, and it says lemmy.world above their name.

Lemmy.world has a whitepeopletwitter community but the newest post is 2 months old. This one is from 10 hours ago. Search on the lemmy.world main page for "Minding" turns up a bunch of posts going back months, but this one isn't there.

I thought I understood how federation works but I'm stumped. Is this really a lemmy.world post? If not, what does the presence of "lemmy.world" on it indicate?

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[–] [email protected] 6 points 1 day ago (2 children)

https://moist.catsweat.com/m/[email protected]/t/1090690/Minding-its-business

you would go to an instance, search for that sub/group ([email protected])

im not on lemmy, but i think the significance of the 'lemmy.world' is the origin of the post... in this case the_picard_maneuver@lemmy.world posted it to sh.itjust.works

[–] [email protected] 4 points 1 day ago* (last edited 1 day ago) (1 children)

i think the significance of the ‘lemmy.world’ is the origin of the post… in this case [email protected] posted it to sh.itjust.works

Close, it's where the image is hosted. The lemmy.world bit is a link to the image. Just like how any website link will say the domain of the destination.

I mean it probably is where a user is posting from, but sometimes it is not (not sure why but sometimes non-ml users will post images from ml)

[–] [email protected] 3 points 1 day ago

Crossposting.

Crossposting is basically using a URL already attached to a post into another post. So if, I crosspost a picture of a squirrel originaly posted by a .world user in [email protected] to [email protected], the post will be linked to .world as it is the original url from which the image is federated to other instance.

Here is a link to an example: jlai.lu/post/17799614

[–] [email protected] 1 points 1 day ago* (last edited 1 day ago) (2 children)

How could [email protected] post to sh.itjust.works? They would have to login to sh.itjust.works. I'm not able to login there as lovablesidekick or [email protected].

Likewise, if you're [email protected] how are you replying to my comment on lemmy.world without logging into lemmy.world?

[–] [email protected] 14 points 1 day ago (1 children)

They would have to login to sh.itjust.works.

nope. every instance can post to any other instances groups. my 'home base' instance (moist) has almost no local communities, but the users can interact with all of the lemmyverse

if you look at the group list you'll see they are all remote groups that local users can subscribe and interact with locally

my instance has a 'copy' of the remote content. when a local user interacts with that content, it is sent to the other instance.

its what the 'federation' in the fediverse means. all users can subscribe/upvote/interact with 'remote' instances. the actions of the users are federated between instances.

[–] [email protected] 1 points 1 day ago* (last edited 1 day ago) (2 children)

Makes sense and I appreciate the help. But when I go to the post link on sh.itjust.works it says:

I'm currently logged in to lemmy.world, but apparently I do need to login sh.itjust.works. This is how I thought lemmy worked, but I also thought the content from sh.itjust.works would be repeated on lemmy.world as you described, and I would be able to find it here and comment. But the whitepeopletwitter community on lemmy.world is pretty empty and that post isn't there. Does this mean something's wrong, or maybe lemmy.world has muted that community, or some other explanation? Just trying to figure all this out.

Edit: I rethought what you said and found where I can remote-subscribe to the community on sh.itjust.works. It says subscription pending. I will give it a while to get processed and see if this solves the problem. Again, I appreciate your help!

[–] [email protected] 2 points 21 hours ago* (last edited 21 hours ago)

I wonder if you're running into the same thing that I've had quite a bit of issue with in the last few weeks on lemmy.world.

When I go to the 'copy' of a post on lemmy.world from another instance, I will get the same message of "You must log in or register to comment."
Only by searching for the post on lemmy.world, clicking through to it, and then also refreshing, does lemmy seem to acknowledge that I am in fact logged in! But only if I do those steps in that order.

EDIT: I've made it a bit easier for myself by setting up the search engine in my browser: https://lemmy.world/search?q=%25s
So that I can just copy any other instance link, go to the address bar and type ls (the keyword I chose for the search engine), paste in the link and then go to the lemmy.world version from there, and refresh the page.

I used to be able to just use the Instance Assistant for Lemmy & Kbin extension by cynber, but for the last few weeks I have to do the whole search and refresh dance instead.

[–] [email protected] 5 points 1 day ago (1 children)

on lemmy.world, click -> communities then click -> All then in the search box type 'white'

its the first option that pops up

heres an screenshot of the lemmy.world view of the above:

[–] [email protected] 1 points 1 day ago (2 children)

Interesting. When I search for "white" the "People Twitter" community on sh.itjust.works does not come up. Also doesn't if I search for "Twitter". Note that the results include communities on other instances, but not sh.itjust.works. No idea why my search and your search would be different.

[–] [email protected] 2 points 1 day ago* (last edited 1 day ago) (1 children)

If you haven't somehow accidentally blocked it, check your language settings. You should have both english and undetermined enabled, or you'll miss on a lot of content.

[–] [email protected] 1 points 1 day ago

Thanks, english and undetermined are both enabled.

[–] [email protected] 1 points 1 day ago (2 children)

weird. no idea what drives the search then.

the direct link to that community is https://lemmy.world/c/[email protected]

[–] [email protected] 3 points 1 day ago

fyi, you can link with a ! to instances, and they get automatically converted to local user instance links:

[email protected]

[–] [email protected] 2 points 1 day ago* (last edited 1 day ago) (2 children)

Thanks, when I hit that link it shows the page and says "No posts". Thanks for all your help though! Commenting on that post wasn't a big deal, I just wondered how the system works. I guess sometimes sh.itdoesn't.work lol.

[–] [email protected] 4 points 1 day ago (1 children)

I guess sometimes sh.itdoesn't.work lol.

I can go to your instance and browse the community through it, so it has obviously reached it.

This is increasingly sounding like it's your account. Check it again while logged out. If it wasn't language, it could be a block or a ban, though I don't have the experience to know how they behave exactly

[–] [email protected] 1 points 1 day ago

https://lemmy.world/modlog?page=1&actionType=ModBanFromCommunity&userId=10809631

In the modlog there isn't a ban that would indicate that OP was banned from [email protected]

[–] [email protected] 3 points 1 day ago (1 children)

This should be what you should see

Are you sure you did not block that community? You can check by clicking the sidebar and check if the red button shows "block" or "unblock community"

[–] [email protected] 1 points 1 day ago

My sidebar correctly says I've joined.

[–] [email protected] 2 points 1 day ago* (last edited 1 day ago) (1 children)

It's federation. LW users can post to sh.itjust.works as easily as gmail users can send mail to yahoo mail addresses.

Edit: Just click these links and try posting and commenting at [email protected] or [email protected]

[–] [email protected] 1 points 1 day ago (1 children)

Yes I get the principle, I'm just having trouble with the mechanics, but not quite "just as easily" - posting or commenting in a community hosted on sh.itjust.works seems to require remote-subscribing to the community from lemmy.world - which I've done and it's now pending. Waiting to see if that does the trick.

[–] [email protected] 2 points 1 day ago* (last edited 1 day ago)

You don't need to subscribe to interact with the ~~content~~ community.