Package kexec-tools

The kexec/kdump userspace component

kexec-tools provides /sbin/kexec binary that facilitates a new
kernel to boot using the kernel's kexec feature either on a
normal or a panic reboot. This package contains the /sbin/kexec
binary and ancillary utilities that together form the userspace
component of the kernel's kexec feature.

File Formats (Section 5)
kdump.conf
kdump.conf is a configuration file for the kdump kernel crash collection service. kdump.conf provides post-kexec instructions to the kdump kernel. It is stored...
makedumpfile.conf
The makedumpfile.conf is a configuration file for makedumpfile tool. makedumpfile.conf file contains the erase commands to filter out desired kernel data from...
System Administration (Section 8)
kdump
kdump does not have a man page yet.
kdumpctl
kdumpctl is used to check or control the kdump service. In most cases, you should use systemctl to start / stop / enable kdump service instead. However...
kexec
kexec is a system call that enables you to load and boot into another kernel from the currently running kernel. kexec performs the function of the boot loader...
makedumpfile
With kdump, the memory image of the first kernel (called "panicked kernel") can be taken as /proc/vmcore while the second kernel (called "kdump kernel" or...
mkdumprd
mkdumprd creates an initial ram file system for use in conjunction with the booting of a kernel within the kdump framework for crash recovery. mkdumprds purpose...
vmcore-dmesg
vmcore-dmesg extracts the dmesg from a vmcore and write it to standard out. vmcore-dmesg works against either /proc/vmcore in a crash dump capture context or a...