this post was submitted on 04 Jul 2023
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You Should Know

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YSK - for all the things that can make your life easier!

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All posts must begin with YSK. If you're a Mastodon user, then include YSK after @youshouldknow. This is a community to share tips and tricks that will help you improve your life.



Rule 2- Your post body text must include the reason "Why" YSK:

**In your post's text body, you must include the reason "Why" YSK: It’s helpful for readability, and informs readers about the importance of the content. **



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Do not seek mental, medical and professional help here. Breaking this rule will not get you or your post removed, but it will put you at risk, and possibly in danger.



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Posts and comments which, instead of being of an innocuous nature, are specifically intended (based on reports and in the opinion of our crack moderation team) to bait users into ideological wars on charged political topics will be removed and the authors warned - or banned - depending on severity.



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Provided it is about the community itself, you may post non-YSK posts using the [META] tag on your post title.



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Edit: obligatory explanation (thanks mods for squaring me away)...

What you see via the UI isn't "all that exists". Unlike Reddit, where everything is a black box, there are a lot more eyeballs who can see "under the hood". Any instance admin, proper or rogue, gets a ton of information that users won't normally see. The attached example demonstrates that while users will only see upvote/downvote tallies, admins can see who actually performed those actions.

Edit: To clarify, not just YOUR instance admin gets this info. This is ANY instance admin across the Fediverse.

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[–] [email protected] 8 points 1 year ago* (last edited 1 year ago) (2 children)

Is it just user activity that's public? Curious to know about what is preserved on the backend, like if user removed posts/etc get stored somewhere accessible like this too.

[–] [email protected] 9 points 1 year ago* (last edited 1 year ago) (1 children)

Deleted items just get marked as 'removed', the content remains in the database. I can see the comment you deleted on https://lemmy.world/post/955546.

Overwrites appear to replace the original content. I can see when you edited this comment but can't see what the edit was.

[–] [email protected] 5 points 1 year ago (2 children)

What happens if someone posts something illegal? Does the instance owner have to know enough SQL to remove the row and the image connected to it or is there a friendly way to do it in an admin interface?

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

There's pretty much no admin interface at this point.

[–] [email protected] 3 points 1 year ago (2 children)

So if someone posts illegal images, it's up to admins to know how to remove it from their database(s). That might be a bit of a sweaty, scary, moment for some people who can follow instructions to setup an instance but aren't familiar with databases.

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

No, we admins have a "purge" button nukes things from the database.

[–] [email protected] 0 points 1 year ago (1 children)

Ok at least y'all have that. Do you happen to know how much legal trouble you'd be in if your server did - temporarily - contain illegal images? Is that the sort of thing that - if you immediately deleted and worked with the FBI, you wouldn't get in trouble? I'm considering starting an instance for me and my wife because we have slow internet but - if we cached everything in an instance at home - it would be über fast. But I'm worried about the legality.

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

Thems the breaks when using what is essentially alpha software. The devs of both Lemmy and Kbin are aware that the admin tools need work, but stuff takes time.

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

Yeah but maybe we should provide some unix tools which help people delete data from their server. Imagine someone is upset at an admin. So they post cp to the server as revenge and then immediately report the server to the FBI. The poster puts themselves at risk, but it's much easier to avoid that risk than it is for an admin.

The unix tools can become the base for an actual admin interface, but I don't have the time for all that lol but scripting something that:

  1. Finds the offending post in the database
  2. Deletes any images in the post from the pictures foder
  3. Deletes the row from the DB

That wouldn't take too long.

[–] [email protected] 2 points 1 year ago

There's purge post/comment. I don't know if there's an easy way to go backwards and find what post a picture is associated with when that's the only information you have.

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

Self removals are hard to sync between instances, so a message you posted and deleted can linger forever.
For example, a message I posted from sopuli.xyz to a pawb.social post and then deleted shows as being deleted on sopuli, but is still visible on pawb.

Mod removals are all publicly listed neatly right here on the mod-log: https://lemmy.world/modlog?page=1&actionType=ModRemoveComment

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

Both links appear valid to me

[–] [email protected] 2 points 1 year ago

Not the post, but the comment. Lemmy doesn't scroll down when you link to a comment for some reason.