[-] freamon@lemmy.world 1 points 3 hours ago

Hmmm. Speaking of Fediverse interoperability, platforms other than yours (Pandacap) typically arrange things so that https://pandacap.azurewebsites.net was the domain, and something like https://pandacap.azurewebsites.net/users/lizard-socks was the user, but Pandacap wants to use https://pandacap.azurewebsites.net for both. Combined with the fact that it doesn't seem to support /.well-known/nodeinfo means that no other platform knows what software it's running.

When your actor sends something out, it uses the id https://pandacap.azurewebsites.net/, but when something tries to look that up, it returns a "Person" with a subtly different id of https://pandacap.azurewebsites.net (no trailing slash). So there's the potential to create the following:

  1. https://pandacap.azurewebsites.net/ sends something out.
  2. Instance hasn't heard of that, so looks it up, and creates a new user in its database, with the returned ID (https://pandacap.azurewebsites.net)
  3. https://pandacap.azurewebsites.net/ sends else something out. Instance looks in it's DB, finds nothing, so looks it up and tries to create it again. The best case is that it meets a DB uniqueness constraint, because the ID it gets back from that lookup does actually exist (so it can use that, but it was a long way around to find it). The worst case - when there's no DB uniqueness constraint -is that a 'new' user is created every time.
  4. Repeat step 3 for every new thing you send.

If every new platform treats the Fediverse as a wheel that needs to be re-invented, then the whole project is doomed.

140
submitted 4 months ago* (last edited 4 months ago) by freamon@lemmy.world to c/fediverse@lemmy.world

As you may have noticed, the crawler at https://lemmyverse.net isn't picking up anything from instances on versions 0.19.4 or 0.19.5.

The Issue itself is easily fixed, and there's already a PR for it from lemm.ee's admin, but there's been no response from the lemmyverse developer.

Does anyway have any other ways of contacting him?
If this continues (I realise 2 weeks isn't that long), is anyone interested in forking the code and hosting it on a new domain?

Thanks.

177
submitted 5 months ago by freamon@lemmy.world to c/gifs@lemmy.world

(bonus opportunity to brush up on your Portuguese swear words)

334
submitted 6 months ago by freamon@lemmy.world to c/gifs@lemmy.world
177
submitted 7 months ago by freamon@lemmy.world to c/gifs@lemmy.world
[-] freamon@lemmy.world 31 points 7 months ago

When I've mentioned this issue to admins at lemmy.ca and endlesstalk.org (relevant posts here and here), they've suggested it's a misconfiguration. When I said the same to lemmy.world admins (relevant comment here), they also suggested it was misconfig. I mentioned it again recently on the LW channel, and it was only then was Lemmy itself proposed as a problem. It happens on plenty of servers, but not all of them, so I don't know where the fault lies.

[-] freamon@lemmy.world 28 points 7 months ago

They'll all POST requests. I trimmed it out of the log for space, but the first 6 requests on the video looked like (nginx shows the data amount for GET, but not POST):

ip.address - - [07/Apr/2024:23:18:44 +0000] "POST /inbox HTTP/1.1" 200 0 "-" "Lemmy/0.19.3; +https://lemmy.world"
ip.address- - [07/Apr/2024:23:18:44 +0000] "POST /inbox HTTP/1.1" 200 0 "-" "Lemmy/0.19.3; +https://lemmy.world"
ip.address - - [07/Apr/2024:23:19:14 +0000] "POST /inbox HTTP/1.1" 200 0 "-" "Lemmy/0.19.3; +https://lemmy.world"
ip.address - - [07/Apr/2024:23:19:14 +0000] "POST /inbox HTTP/1.1" 200 0 "-" "Lemmy/0.19.3; +https://lemmy.world"
ip.address - - [07/Apr/2024:23:19:44 +0000] "POST /inbox HTTP/1.1" 200 0 "-" "Lemmy/0.19.3; +https://lemmy.world"
ip.address - - [07/Apr/2024:23:19:44 +0000] "POST /inbox HTTP/1.1" 200 0 "-" "Lemmy/0.19.3; +https://lemmy.world"

If I was running Lemmy, every second line would say 400, from it rejecting it as a duplicate. In terms of bandwidth, every line represents a full JSON, so I guess it's about 2K minimum for the standard cruft, plus however much for the actual contents of comment (the comment replying to this would've been 8K)

My server just took the requests and dumped the bodies out to a file, and then a script was outputting the object.id, object.type and object.actor into /tmp/demo.txt (which is another confirmation that they were POST requests, of course)

[-] freamon@lemmy.world 29 points 7 months ago

I can't re-produce anything, because I don't run Lemmy on my server. It's possible to infer that's it's related to the software (because LW didn't do this when it was on 0.18.5). However, it's not something that, for example, lemmy.ml does. An admin on LW matrix chat suggested that it's likely a combination of instance configuration and software changes, but a bug report from me (who has no idea how LW is set up) wouldn't be much use.

I'd gently suggest that, if LW admins think it's a configuration problem, they should talk to other Lemmy admins, and if they think Lemmy itself plays a role, they should talk to the devs. I could be wrong, but this has been happening for a while now, and I don't get the sense that anyone is talking to anyone about it.

313
submitted 7 months ago by freamon@lemmy.world to c/fediverse@lemmy.world

I realise this is a known issue and that lemmy.world isn't the only instance that does this. Also, I'm aware that there are other things affecting federation. But I'm seeing some things not federate, and can't help thinking that things would be going smoother if all the output from the biggest lemmy instance wasn't 50% spam.

Hopefully this doesn't seem like I'm shit-stirring, or trying to make the Issue I'm interested in more important than other Issues. It's something I mention occasionally, but it might be a bit abstract if you're not the admin of another instance.

The red terminal is a tail -f of the nginx log on my server. The green terminal is outputting some details from the ActivityPub JSON containing the Announce. You should be able to see the correlation between the lines in the nginx log, and lines from the activity, and that everything is duplicated.

This was generated by me commenting on an old post, using content that spawns an answer from a couple of bots, and then me upvoting the response. (so CREATE, CREATE, LIKE, is being announced as CREATE, CREATE, CREATE, CREATE, LIKE, LIKE). If you scale that up to every activity by every user, you'll appreciate that LW is creating a lot of work for anyone else in the Fediverse, just to filter out the duplicates.

15
submitted 8 months ago by freamon@lemmy.world to c/support@lemmy.world

For anyone unaware, a community's outbox typically contains the last 50 or so Post Announcements - it is retrieved when you are the first person to find a community on a remote instance. It also seems to be fetched whenever an community on a remote instance realizes it's out of sync with the community on its host instance.

Compare:

curl --header 'accept: application/json' https://lemmy.world/c/memes | jq -r .outbox           
=> https://lemmy.world/c/memes/outbox                
curl --header 'accept: application/json' https://lemmy.world/c/memes/outbox | jq .       
{
  "error": "unknown",
  "message": "Record not found"
}

with

curl --header 'accept: application/json' https://lemmy.world/c/linuxmemes | jq -r .outbox      
=> https://lemmy.world/c/linuxmemes/outbox          
curl --header 'accept: application/json' https://lemmy.world/c/linuxmemes/outbox | jq .orderedItems[0]   
{   
    "id": "https://lemmy.world/activities/announce/create/0223f939-aafc-4215-9c20-a3460c967f63" 
    ... (the rest of the most recent post from linux memes)
}

(I came across this randomly, so I don't know if 'memes' is the only community missing an outbox. Others I've tried have been OK though)

135
submitted 8 months ago by freamon@lemmy.world to c/gifs@lemmy.world
179
submitted 8 months ago by freamon@lemmy.world to c/gifs@lemmy.world
[-] freamon@lemmy.world 46 points 8 months ago

Hi

Pls check how much traffic you're now sending out for every activity - my server is recording that everything from lemmy.world is being 4 times (e.g. 1 Upvote is sent 4 times to every instance that has a subscriber. Those instances will reject 3 of them for being dupes, but it's still a lot to be sending out).

lemmy.ca had a problem where they were sending everything 3 times, and it was because they were running 3 containers, and they all had the same index number, so maybe it's that.

Thanks.

245

Hello again,

February's finally over, so 4 Frame memes are old news. Now, for March, memes with rhymes in them are what's required to get Featured in the Community.

This one will be stickied until a new meme with (ideally terrible) rhymes in and [ILPM] somewhere in the title is submitted, and then the new post will be stickied instead (it's a manual affair atm, so it won't be instant)

Thanks!

168
submitted 8 months ago by freamon@lemmy.world to c/gifs@lemmy.world
50
submitted 8 months ago by freamon@lemmy.world to c/gifs@lemmy.world
[-] freamon@lemmy.world 33 points 8 months ago

"It really shouldn't do that" was Microsoft's slogan for awhile, I think.

617
[-] freamon@lemmy.world 44 points 9 months ago

Screenshotting a post from another fediverse app seems a bit crazy. As an alternative, this post is available natively in lemmy, as text and from the original author (so you can reply to him if you'd like).

I can't give a universal link to a post obviously, but if you're on lemmy.world, it's here: https://lemmy.world/post/11631169, and if you're not, it's available on the !tails@lemmon.website community.

[-] freamon@lemmy.world 57 points 9 months ago

Shift ends in 10 minutes? Whatever it is, it's been the next shift's problem for 50 minutes already.

[-] freamon@lemmy.world 40 points 10 months ago

Disclaimer:

Rebel Moon is a work of fiction. Any resemblance to an actual Star War, living or dead, is purely coincidental

[-] freamon@lemmy.world 26 points 11 months ago

Edgar Wright said a similar thing recently: that the best thing they could do with superhero films is take a break, and wait for audiences to become excited about them again.

[-] freamon@lemmy.world 53 points 1 year ago* (last edited 1 year ago)

They've already replied with the reasons, but - for future reference - if you want to see specifics of things like this, a censure is often posted to https://fediseer.com. .world's censure of .nl is here

[-] freamon@lemmy.world 24 points 1 year ago

Metric stormtroopers are about a meter off-target, but Imperial ones are only about a yard, so they're a minor improvement.

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freamon

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