586: Kexec with Determination
LINUX Unplugged
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Streamlined Kernel Transitions with Kexec
This chapter explores the utility of kexec for loading new Linux kernels without a complete reboot, emphasizing its benefits in server environments. The hosts detail their practical experiences in setting up virtual machines using QEMU for testing, while illustrating the process of executing a hot swap to physical hardware with minimal disruption. They also cover the technical intricacies of managing disk images, partitions, and configurations necessary for a smooth kexec transition.
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