What the kernel is
The kernel is a core part of a Linux operating system that manages the system resources and provides an interface between hardware and software applications.
The Red Hat kernel is a custom-built kernel based on the upstream Linux mainline kernel that Red Hat engineers further develop and harden with a focus on stability and compatibility with the latest technologies and hardware.
The Red Hat kernels are packaged in the RPM format to upgrade and verify by the DNF package manager.
Red Hat only supports kernels that are compiled by Red Hat.
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