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submitted 9 hours ago by [email protected] to c/[email protected]

Until a few days ago I was posting youtube links, and the thumbnail and link description would be filled in automatically.

Now, there's no thumbnail image and instead of the youtube preview text for my linked video, its some generic youtube stuff in french:

  • YouTube www.youtube.com Profitez des vidéos et de la musique que vous aimez, mettez en ligne des contenus originaux, et partagez-les avec vos amis, vos proches et le monde entier.

Something broke?

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submitted 3 days ago* (last edited 3 days ago) by [email protected] to c/[email protected]

cross-posted from: https://biglemmowski.win/post/1465956

If you are using https://github.com/wereii/lemmy-thumbnail-cleaner please stop and disable it as soon as possible.

We have found a security issue that allows any user to make LTC delete any locally hosted image.

I will be posting more details soon and editing this to include the information.

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submitted 3 days ago by [email protected] to c/[email protected]

Hi, I am new to Lemmy and I just need help with something kinda QoL-ish. Is it possible to look at a post on the homepage IE http://lemmy.ca, and block the community it is coming from?

I don't want to have to manually click on the community and go to its page every time I want to block one. Is there like an extension or a specific UI mode that lets you do this? Thanks!

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submitted 3 days ago by [email protected] to c/[email protected]

Asking for help, I deployed lemmy using docker and deployed lemmy on the onion network, but I found that the picture of lemmy will expose my IP address. What should I do? Tor runs on Linux and lemmy is in docker. I can deploy lemmy on onion normally, but the pictrs pictures cannot go through the onion network.

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submitted 1 week ago* (last edited 1 week ago) by [email protected] to c/[email protected]

Sorry if this is the wrong community, not sure where else to post the question, and I'd rather avoid creating an issue over on Github.

Is there a way to check if a federated user is an administrator via the API? .get_person_details() will have the admin field set to false for all other than local admins and .get_community() only reveals the list of moderators.

I know I could scrape the admin list from the main page html, but scraping html is prone to errors if an instance uses an alternative frontend or the frontend is updated. Getting the data via the API should be a more stable solution.

Based on #3703 it seems like a decent chance that this information isn't currently exposed to federated instances though?

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submitted 1 week ago* (last edited 1 week ago) by [email protected] to c/[email protected]

Support set url from posts of other fediverse softwares (ej mastodon, mitra, akkoma...)

Hello!

In the last few days I have been testing to create news posts in Lemmy communities from Mastodon and Mitra.

I have seen that the posts are created correctly, setting the title with the first line of the post, but the url is not set correctly, it puts all the content in the body, but the attached url is not set. Would there be any way to extract the url from the body to be able to set it, as is done with the title?

I attach examples:

Post created from Lemmy with url in lemmy: https://scribe.disroot.org/api/v3/post?id=532812
Post created from Mastodon without url in lemmy: https://scribe.disroot.org/api/v3/post?id=532812

@lemmy_support @LemmyDev

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0.19.4 Prerequisites (tkohhh.social)
submitted 3 weeks ago by [email protected] to c/[email protected]

The release notes for 0.19.4 mention that this version requires an upgrade to both pictrs and postgres, but there isn't any information about what versions of those are supported. Is there someplace else I should be looking for this information? Or should I just YOLO with the latest version of each?

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submitted 3 weeks ago* (last edited 3 weeks ago) by [email protected] to c/[email protected]

The R site has such a feature, which can allow one to group posts from many communities into one feed.
With many communities on different instances with similar topics, it'd be useful to group them to avoid separate visits to each community.

Does lemmy have such an option?
If not, are there any lemmy clients that can provides a similar option?
Or are there known workarounds, maybe with the rss feeds or so?

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submitted 3 weeks ago by [email protected] to c/[email protected]

Over at [email protected] we've got a sidebar with a "total subscribers" shields.io badge, like many other communities all over the Lemmyverse do. I made a simple, non-badge-related edit to the sidebar and due to what seems an aggressive image proxy, the shields.io badge address gets mangled after the edit is saved.

This is !music

This is "Community Info" from [email protected] on Jerboa. At the bottom of the screen is the midwest.social/api/v3/image_proxy image.

This is !detroit

This is "Community Info" from [email protected] on Jerboa, as an example of a working badge. At the bottom the screen is the working shields.io badge.

The pre-save preview shows everything as should be. It's only when the edit is saved does the badge address get mangled.

I contacted our fearless leader, @[email protected], and he changed an image proxy setting. Now [email protected] works as it should. Any further details or information in regards should be asked of him. Thanks.


Workers of The World...Relax!
[email protected][email protected][email protected]

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submitted 3 weeks ago* (last edited 3 weeks ago) by [email protected] to c/[email protected]

EDIT: It seems to have been fixed thanks to @[email protected]. Running analyze verbose; in postgres.

After updating to 0.19.5 from 0.19.3 my postgres is often using up 500%+ of CPU according to docker stats and often going to 100% CPU on most cores according to htop. Also noticed in the uptime monitor:

htop shows one of the 5 postgres processes constantly on UPDATE. I think this might be part of the problem.

I'm not comfortable with postgres and am honestly completely in the dark how or where to mitigate or even pinpoint this issue.

Any help would be appreciated.

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submitted 3 weeks ago* (last edited 3 weeks ago) by [email protected] to c/[email protected]

So I wrote a little web app that allows a user to move their user data, like settings and subscribed/banned communities, from one account/instance to another.

It runs completely client-side, but is hosted on GitHub for the moment. Maybe it'll be of some use!

Features:

  • Export user data from any Lemmy instance (>=v0.19)
  • Download user data as a text file
  • Modify user data in the browser, e.g. to add or remove followed instances
  • Transfer user data to the target account on the target instance
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submitted 3 weeks ago* (last edited 3 weeks ago) by [email protected] to c/[email protected]

I'm experiencing some odd behavior. Lemmy communities on my server seem to have stalled (no new posts and or comments) since 2 days.

I went ahead and upgraded lemmy to 0.19.5 and postgres to the current version but to no avail so far.

.ml got banned by fail2ban but I set it on the ignore list now. any ideas where to start looking for the problems? I checked for the other big communities and they're okay it seems.

I can of course start adding logs in here but I would love to know which service or log I should start with.

Thanks for reading. Have a good one.

Edit: outgoing federation works. this post made it to ml in seconds.

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submitted 4 weeks ago by [email protected] to c/[email protected]

Let’s say I hit submit on a post or reply, and then immediately notice a typo and edit it. Or I accidentally mis-swipe and downvote and then change it to an upvote.

In both cases, do both actions immediately get posted to the feed, or does the Lemmy instance wait a minute and combine (or overwrite) the actions so that only a single action gets published?

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submitted 4 weeks ago by [email protected] to c/[email protected]

A quick look at the https://join-lemmy.org/docs/administration/federation_getting_started.html does not answer that question. Though at least ChatGPT has an opinion (which may be misleading) 😀

the probability of it (the post) being distributed on multiple instances depends on factors such as the popularity of the post, the number of upvotes and comments it receives, and how widely it is shared across different instances. Posts that generate a lot of engagement and discussion are more likely to be distributed on multiple instances, as they are more likely to be shared and reposted by users. Additionally, posts that are deemed relevant or controversial may also be more likely to be spread across multiple instances.

I am unsure what it means by shared (i assume just posting a link is not enough).

If that is true that reposted (often called cross-posted) post makes a fully "featured" copy/backup on a different Lemmy instance, is there anything else that does it? Thank you

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submitted 4 weeks ago* (last edited 4 weeks ago) by [email protected] to c/[email protected]

Please what are the easiest and fastest steps in order to find backup of a currently unavailable post thanks to no longer running Lemmy instance?

Lets say it is this post we are reading, that become offline. I am not asking for the links to instances that hosts it, but for the way on how to discover all the instances myself.

So far I have found only this way:

  1. open largest instances list: https://lemmyverse.net/?order=posts&open=true

  2. open one after another and under magnifier button, search for the same post ID (number) as your dead link has. One can also search for the post title (while making sure that the search scope is everywhere, not local).

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submitted 1 month ago by [email protected] to c/[email protected]

As title says. I had an account at lemmy.ml while back and got it deleted. Now I am trying to switch back to Lemmy.ml but during registeration. I get that error, that the user name is taken by user. But it's taken by my deleted account.

My handler is mahmoudk1000, cloud you please free it ? So I can reuse it.

Thanks in advance!

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submitted 1 month ago by [email protected] to c/[email protected]

I want to hide the box thingy inside the red circle. How do I do it? I'm using Lemmy on Firefox.

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submitted 1 month ago by [email protected] to c/[email protected]

Anyone care to share their docker compose file for the upgrade? Or at least the pictrs portion? I've upgraded and migrated postgres to 16, but am having issues with the pictrs part.

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submitted 1 month ago* (last edited 1 month ago) by [email protected] to c/[email protected]

přeposláno z: https://lemmings.world/post/10376607

Having account on https://lemmings.world, like 10 hours ago I have been trying to post a reply in a community that is hosted on a different instance (monero.town), the progress wheel was constantly turning on the Repply button and the browser developer console (F12) shown Error 502 Bad gateway ("invalid response from the upstream server" - https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/502). "Bad gateway" error is shown by the Lemmy on login form at lemmings.world.

That turning wheel also appears on a new post/topic submission button (creating topic on external lemmy.ml community being on lemmings.world ).

After trying to search in my home instance, https://lemmings.world/search?q=502+error&type=All&listingType=All&page=1&sort=TopAll It output nothing and the console again shown Error 502:

...

GET https://lemmings.world/api/v3/resolve_object?q=502 error [HTTP/1.1 502 Bad Gateway 0ms]

XHRGET https://lemmings.world/api/v3/user/report_count? [HTTP/1.1 502 Bad Gateway 0ms] ...

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submitted 1 month ago by [email protected] to c/[email protected]

I've created the community [email protected] from an account on lemmy.zip, but want to use my tchncs.de account to moderate and run it, so I transferred the community to my tchncs.de account.

I've changed content in the sidebar and pinned a post to the top, but both of those changes don't federate from tchncs.de to lemmy.zip

You can see the changes when viewing the community from tchncs.de but you don't see the changes when viewing the community directly on lemmy.zip

Both instances run Lemmy 0.19.4

How can this be resolved?

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submitted 1 month ago by [email protected] to c/[email protected]

please help

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submitted 1 month ago by [email protected] to c/[email protected]

My 2FA app lost my keys because of a bad update. The only one I seem to be missing is the one for this Lemmy instance. Is there an admin that can help reset? Using an api key to post.

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submitted 1 month ago by [email protected] to c/[email protected]

Some topic communities have very low member and post count and exist across various servers under various names. Can i add single post to lets say 4 on-topic communities or is it considered a bad idea. I am aware that I may be searching across different servers and communities so the duplicity is not ideal, but in terms of exposure in small communities, I would really like to do said duplicity.

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submitted 1 month ago by [email protected] to c/[email protected]

I have been investigating if there is a community dedicated to Photon (a great Lemmy front-end) that doesn't seem to have an exclusive option to search for communities, does anyone know if there is an exclusive community for Photon (or Lemmy front-ends in general)?

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submitted 1 month ago by [email protected] to c/[email protected]

…or is the new web interface huge? I'm using Firefox 126 and I've reduced the page size to a bearable 90%.

More importantly though, please try this test in your browser of choice (I haven't tested from a dedicated app):

  1. create a post (for the sake of this test all you have to do is press the "Create a post" button in the sidebar) in any community
  2. Fill the body text field so you have enough text to for at least one press of 'PgDn'. I've supplied three paragraphs of dummy text you can copy for your convenience at the end of this post. Make sure the focus is still in the body text area (you should see the area highlighted with an outline.)
  3. switch to any other tab you have open.
  4. switch back to your post tab

You should see that the page has jumped back to the top. This also happens when you press 'Preview' with focus in the text area: the page jumps to the top and doesn't preview the post! In fact, any time the text box loses focus, the page jumps to the top. Merely clicking outside the text area will make the page jump to the top.

I hope I've clearly explained the situation.

Is this displayed in any browser or just Firefox? Any OS or just Linux. Is this a bug or am I the only one experiencing these glitches? Any help/corroboration would be appreciated. Lemmy: the Tupolev Tu-144 of social media!® Thanks.

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