主题： initramfs

• Rebuilding an initramfs: dracut -f versus update-initramfs -u, and verifying the result

  An initramfs that does not include the driver or configuration needed to find and unlock the root filesystem leaves a boot stuck at an early shell. Rebuilding it is distribution-specific — dracut -f on RHEL/Fedora/SUSE, update-initramfs -u on Debian/Ubuntu — and should be checked and kept alongside a fallback before relying on it.

  methodology · en · reviewed · 知识截至 2026-09-24

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