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NOTE: CentOS Enterprise Linux 5 is built from the Red Hat Enterprise Linux source code. Other than logo and name changes CentOS Enterprise Linux 5 is compatible with the equivalent Red Hat version. This document applies equally to both Red Hat and CentOS Enterprise Linux 5.

39.3. Downloading the Upgraded Kernel

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

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

  • Via Red Hat Network — Download and install the kernel RPM packages. Red Hat 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 https://www.redhat.com/docs/manuals/RHNetwork/.

If Red Hat Network was used to download and install the updated kernel, follow the instructions in Section 39.5, “Verifying the Initial RAM Disk Image” and Section 39.6, “Verifying the Boot Loader”, only do not change the kernel to boot by default. Red Hat Network automatically changes the default kernel to the latest version. To install the kernel manually, continue to Section 39.4, “Performing the Upgrade”.


 
 
  Published under the terms of the GNU General Public License Design by Interspire