Understanding How Kdump Works

Updated -

Using the kdump service and the kexec command, you can ensure faster boot up and creation of reliable kernel (vmcores) for diagnostic purposes. This tech brief describes how to use the kexec command to quickly boot to a new kernel (by-passing the BIOS). It also details how /etc/init.d/kdump works to direct the activities of the kdump service.

More Resources:

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In