How to install opencv and opencv-devel in Oracle Linux 9

 If you are looking on how to install opencv and opencv-devel on Oracle Linux 9, here is the answer:

dnf config-manager --add-repo https://yum.oracle.com/repo/OracleLinux/OL9/developer/EPEL/x86_64

dnf update

dnf install opencv

dnf install opencv-devel

Done.

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