this post was submitted on 28 Aug 2023
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cross-posted from: https://jamie.moe/post/113630

There have been users spamming CSAM content in !lemmyshitpost@lemmy.world causing it to federate to other instances. If your instance is subscribed to this community, you should take action to rectify it immediately. I recommend performing a hard delete via command line on the server.

I deleted every image from the past 24 hours personally, using the following command: sudo find /srv/lemmy/example.com/volumes/pictrs/files -type f -ctime -1 -exec shred {} \;

Note: Your local jurisdiction may impose a duty to report or other obligations. Check with these, but always prioritize ensuring that the content does not continue to be served.

Update

Apparently the Lemmy Shitpost community is shut down as of now.

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[–] krebstar@lemmy.world 14 points 2 years ago (2 children)
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[–] CrimeDad@lemmy.crimedad.work 11 points 2 years ago

I'm not subscribed to that community, but I guess I'm glad Pictrs doesn't work for me, since I am using the Yunohost version of Lemmy. The creators of the Yunohost package couldn't get it to work. I haven't really missed it honestly.

[–] Rearsays@lemmy.ml 10 points 2 years ago* (last edited 2 years ago)

Likely Spez’s personal jailbait collection

[–] Ebby@lemmy.ssba.com 8 points 2 years ago (2 children)

Could someone please ELI5 that script. I'm all for keeping things clean, but old enough to remember the days of console based trolling.

[–] RegalPotoo@lemmy.world 10 points 2 years ago (1 children)

Looks fairly sane, finds every file in the given directory that was created in the last 24 hours and deletes them. Personally if you are dealing with CSAM I'd be using shred instead of just rm

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[–] mordred@lemmy.world 6 points 2 years ago

sudo find /srv/lemmy/example.com/volumes/pictrs/files -type f -ctime -1 -exec rm {} \;

  • sudo: run as root
  • find /srv/lemmy/example.com/volumes/pictrs/files -type f: find files (f) in directory
  • -ctime -1: which have been created in the last day
  • -exec rm {} ; execute the command rm (remove) on each of them
[–] kev@lemmy.kevhomeit.trade 8 points 2 years ago (1 children)

I am using the Lemmy easy deploy would this command works?

[–] russjr08@outpost.zeuslink.net 6 points 2 years ago

You'll need to find where the actual container files are being stored. I'm unfortunately not familiar with Lemmy Easy Deploy, but you should have a folder that has some files/folders like docker-compose.yml, volumes, lemmy.hjson.

The important one is the volumes/pictrs/files folder, take the full path of that folder and replace it with the /srv/lemmy/example.com... path from the original post, and then that command should work.

[–] TropicalDingdong@lemmy.world 7 points 2 years ago

There was a weird JSON error I was getting in the last few minutes. I'm not sure if this is at all related.

[–] ksynwa@lemmygrad.ml 7 points 2 years ago (1 children)

As far as I know, images should not be federating to federated instances, right? Image proxying is supposed to be added to pictrs version 0.5.0 but it is still in alpha.

[–] hitagi@ani.social 5 points 2 years ago* (last edited 2 years ago) (3 children)

Images do sometimes. At least in my instance they do. See this post for example. There's a local copy stored in my server.

edit: I'm running pict-rs 0.4.2

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[–] possiblylinux127@lemmy.zip 5 points 2 years ago (3 children)

Couldn't this be stopped with automatic filtering of bad content? There are open source tools and libraries that do this already

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[–] HybridSarcasm@lemmy.world 4 points 2 years ago

Locking the thread. Information relevant to self-hosters has already been shared. Too many reports of off-topic comments to leave this open.

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