Downloading the Upgraded Kernel

There are several ways to determine if an updated kernel is available for the system.

• Security Errata - Refer to http://www.redhat.com/security/updates/ for information on security errata, including kernel upgrades that fix security issues.

• Via CentOS Network - Download and install the kernel RPM packages. CentOS Network can download the latest kernel, upgrade the kernel on the system, create an initial RAM disk image if needed, and configure the boot loader to boot the new kernel. For more information, refer to http://www.redhat.com/docs/manuals/RHNetwork/.

If CentOS Network was used to download and install the updated kernel, follow the instructions in "Verifying the Initial RAM Disk Image" and "Verifying the Boot Loader", only do not change the kernel to boot by default. CentOS Network automatically changes the default kernel to the latest version. To install the kernel manually, continue to "Performing the Upgrade".