GNU/Linux CentOS Updating Initramfs Guide
How to Rebuild Initramfs on RHEL-based GNU/Linux – Step by step Tutorial.
And Initramfs for CentOS is a Root Filesystem that is embedded into the Kernel and loaded at an early stage of the Boot Process.
It provides early Userspace which can do things the Kernel can’t easily do by itself during the Boot process.
Especially relevant: Rebuilding the Initramfs is needed to achieve Linux Firmware Update.
Finally, this Setup is Valid also for All the others RHEL Based Distros like:
- Red Hat Enterprise Linux
- Oracle Enterprise Linux
- Rocky Linux
- AlmaLinux

1. Terminal QuickStart
How to QuickStart with Command Line on CentOS:
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