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Mongodb Raspi4 Qemu

docs/Databases/mongodb-raspi4-qemu.md

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Meteor podcast about using MongoDB at unsupported CPUs

Installing MongoDB

MongoDB 8 arm64 works at M1 Air arm64 macOS and Linux.

But because MongoDB 8 core dumps at RasPi4, running it here with Qemu.

  1. Install Ubuntu 24.04 arm64 for Raspberry Pi

  2. Install MongoDB 8 repo for Ubuntu 24.04 arm64

  3. Install deps:

sudo apt -y install qemu-user
  1. Rename MongoDB to different filename:
sudo mv /usr/bin/mongod /usr/bin/mongodreal
  1. Edit start scipt for Qemu MongoDB
sudo nano /usr/bin/mongod
  1. Copy paste start script for Qemu MongoDB

It uses qemu-user to run MongoDB, and passes all command line arguments to MongoDB.

#!/bin/bash
/usr/bin/qemu-arm64 /usr/bin/mongodreal --config /etc/mongod.conf

  1. Save and exit nano: Ctrl-o Enter Ctrl-x Enter

  2. Make script executeable

sudo chmod a+x /usr/bin/mongod
  1. Start and run MongoDB
sudo systemctl enable mongod

sudo systemctl start mongod