If I self host a Lemmy instance for just myself and maybe a few friends are there any risks?

VitaminH@lemmy.world to Selfhosted@lemmy.world – 163 points –

Looking to maybe self host my own instance, I'm still learning about the fediverse. If a different instance that I federate with hosts something illegal are there risks to me? Is anything from other instances hosted on my server like a copy of it? Or would I only end up hosting things my users post? I'm paranoid and sorry if this is a silly question.

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Can you help me set this up also or share the script I would run to do this? Many thanks.

Sure! My script will look a little different since I'm hosting Lemmy in Kubernetes, but basically you will want to run the following command hourly. Make sure to replace the values for database, username, and password.

PGPASSWORD=password psql --dbname=database --username=username --command="DELETE FROM activity WHERE published < NOW() - INTERVAL '3 days';"
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