kernel-devel from home:garloff:OTC:kernel:EulerOS23 project
Select Your Operating System
Add repository and install manually
For CentOS 7 run the following as root:
cd /etc/yum.repos.d/ wget https://download.opensuse.org/repositories/home:garloff:OTC:kernel:EulerOS23/CentOS_7/home:garloff:OTC:kernel:EulerOS23.repo yum install kernel-devel