Chapter 30. Upgrading the Kernel
pass a rigorous set of quality assurance tests.
Red Hat Linux kernels are packaged in RPM format so that they are easy to upgrade and verify. For example, when the kernel RPM package distributed by Red Hat, Inc. is installed, an initrd image is created; thus, it is not necessary to use the mkinitrd command after installing a different kernel. It also modifies the boot loader configuration file to include the new kernel if either GRUB or LILO is installed.
This chapter discusses the steps necessary to upgrade the kernel on an x86 system only.
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30.1. The 2.4 Kernel
Red Hat Linux ships with a custom 2.4 kernel, which offers the following features:
The directory for the kernel source is /usr/src/linux-2.4/ instead of /usr/src/linux/.
Support for the ext3 file system.
Multi-processor (SMP) support.
USB support.
Preliminary support for IEEE 1394, also referred to as FireWire™, devices.
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