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Feb 14, 2022 · Databases

MongoDB 5.0 Installation Fails on CPUs Without AVX Support and How to Fix It

When installing MongoDB 5.0 on a CentOS 7.2 server, the mongo and mongod commands abort with an "Illegal instruction" error because the CPU lacks AVX support, and the article explains how to diagnose this issue, verify CPU capabilities, and resolve it by using AVX‑compatible hardware.