YENRA — KERNEL UPDATE AND RECOVERY RECORD
Companion: https://yenra.com/linux-kernel/
Worksheet; commands in the guide are examples for the stated environment.

Machine / owner / maintenance window:
Distribution and release / support channel:
Running kernel before update:
Installed target package and complete revision:
Security advisory or update reason:
Bootloader or provider boot method:
Known working kernel and retained boot entry:
Required initramfs, modules and boot files confirmed:
Boot-filesystem free space and package state:
External drivers / DKMS builds / signing or enrollment status:
Backup location / restore verification date:
Console recovery route tested / recovery credentials location (not secrets):

Before/after acceptance checks, expected and actual:
- Networking and remote access:
- Storage mounts and encryption unlock:
- Graphics / dock / suspend if relevant:
- Representative application task:
- Important service response:
Running kernel after reboot:
Kernel log boot identifiers / relevant errors / retained evidence:

If recovery is needed:
Entry selected / actual running version / symptoms after fallback:
Default for next boot confirmed:
Working versus failing versions and repeatable steps:
Distribution or driver supplier issue reference:
Owner / supported-fix review date / validation plan:
Do not leave an unmaintained fallback indefinitely. A previous kernel does
not roll back application data or unrelated configuration changes.