Raspbian SSH Server fails after upgrade from Stretch to Buster (no SSH connection)

I used this excellent guide to update my Raspbian from Stretch to Buster: https://pimylifeup.com/upgrade-raspbian-stretch-to-raspbian-buster/ After rebooting my Pi, the SSH connection was gone. Logging into the Pi using the attached keyboard and monitor allowed me to debug the issue: service ssh status journalctl -u ssh -n 200 „Missing privilege separation directory /run/sshd“ This directory needs…

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How to set unique object ids in embedded documents across a MongoDB collection

MongoDB’s updateMany can be used to update all documents which are matched. Problem If, however, you want to set unique new ObjectIDs in your update, you would find that MongoDB sets the same ObjectID for every entry: db.getCollection(‚mypis_collectedpis‘).updateMany({}, {$set:      {apps: {         „com.picockpit/core“: {             meta: {                 version: „2.0“,                 name: „PiCockpit Core“,                 image: „“,                 description: „PiCockpit.com…

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