kdump Linux Commands

What is Linux kdump Command?


kdump COMMAND:

Kdump command is a crash recovery service. Kernel reserves a small amount of memory and it is used to find the exact cause of the crash. It is also called as a Linux kernel crash dumping mechanism.


The Syntax is

kdump [option(s)]


reboot Reboot the system, losing the core in the process.
halt After attempting to capture a core, halt the system no matter if it succeeded.
poweroff Power off the system.
shell Run the msh session from within the initramfs, allowing a user to record the core manually.
Note : Kdump command is used only when the system crashes.

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