Rebuilding the Linux Kernel
Once you have installed Red Hat, you may want to reconfigure and rebuild the Linux kernel. Red Hat comes with a prebuilt kernel that simplifies the installation process. This kernel may not be properly configured for all your system's features, however. By reconfiguring and rebuilding the kernel, you can build one that is customized for your system and needs.
tip || Maybe You Just Need to Install a New Linux Kernel Binary?
Refer to “Errata: Security Alerts, Bugfixes, and Enhancements” on page 934 when you want to install a Linux kernel binary that you do not need to configure or build.
Because recent releases of the Linux kernel are so modular, usually you do not need to rebuild them. You can dynamically change many ...