Solve the problem of yum installation error Protected multilib versions

Today, when installing nginx on the cloud server, I need to install some dependent libraries such as zlib first, but an error occurs when installing zlib.

yum install -y zlib zlib-devel

(-y means automatic y if you need to select yes or no) The following is the error

Protected multilib versions: zlib-1.2.7-17.el7.x86_64 != zlib-1.2.7-15.el7.i686

The reason is that multiple libraries cannot coexist, but updating does not work either. However, you can add

--setopt=protected_multilib=false

The complete command is

yum install -y zlib zlib-devel --setopt=protected_multilib=false

Okay, perfect solution, Prefect

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