Sujet : kdump

• Configuring kdump to capture a RHEL kernel crash

  kdump reserves memory ahead of time so a second, minimal kernel can boot after a panic and write out a vmcore for analysis. This methodology covers reserving that memory, enabling the service, and why deliberately testing it takes down the host — schedule the test accordingly.

  methodology · en · reviewed · connaissances au 2026-09-24

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