How to Rebuild the Initial Ramdisk Image in Oracle Linux 5 or Oracle Linux 6?

How to Rebuild the Initial Ramdisk Image in Oracle Linux 5 or Oracle Linux 6? (Doc ID 1573625.1)

Last updated on JUNE 30, 2016

Applies to:

Linux OS - Version Oracle Linux 5.0 to Oracle Linux 6.4 with Unbreakable Enterprise Kernel [2.6.39] [Release OL5 to OL6U4]
Linux x86-64
Linux x86

This document covers the following questions:

How to rebuild the initial ramdisk image in Oracle Linux?
How to remake the initrd or initramfs?
How to recreate the initrd or initramfs?
Modified /etc/lvm/lvm.conf and my root file system resides on a logical volume. How to ensure the changes are applied upon rebooting?
Modified /etc/multipath.conf and my root file system resides on a multipath device. How to ensure the changes are applied upon rebooting?
Modified some module options in /etc/modprobe.conf or /etc/modprobe.d/. How to ensure the changes are applied upon rebooting?

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