MongoDB Community 6.0.5 Illegal instruction (core dumped) ubuntu 18.04 on Cortex-A72 aarch64

I was playing about with installs on Pi’s today:

  • 4.4.18 is the most up-to-date release that ran on the Pi’s I have available (Pi3B, Pi4B and an Orange Pi 3LTS), i.e. on the ARMv8.0 microarchitecture. MongoDB 4.4.19 and later, 5.0 and later and 6.0 and later all need the ARMv8.2-A microarchitecture. There’s no Raspberry Pi available with that microarchitecture as far as I’m aware, but the Orange Pi 5 does have it so should - in theory - run MongoDB 5 and 6.

  • 4.4.18 will not install on Ubuntu 22.04LTS - there’s missing libssl dependencies. Use Ubuntu 20.04LTS. Alternatively, I did find the Ubuntu packages for 4.4.18 installed without any apparent issue on the latest (Debian Bullseye based) Pi OS distributions. I haven’t dug too far into this and the possibility of incompatibilities with this combination exists so use at your own risk.

  • You’ll want to pin the installed packages to 4.4.18:

echo "mongodb-org hold" | sudo dpkg --set-selections
echo "mongodb-org-server hold" | sudo dpkg --set-selections
echo "mongodb-org-shell hold" | sudo dpkg --set-selections
echo "mongodb-org-mongos hold" | sudo dpkg --set-selections
echo "mongodb-org-tools hold" | sudo dpkg --set-selections
echo "mongodb-org-database-tools-extra hold" | sudo dpkg --set-selections

4.4.18 was released in November 2022 and probably supports most of the features people would want in a SBC based installation. If you do need access to newer versions, a free-tier Atlas instance is always an option.

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