Put simply, dracut is a tool that creates the initramfs filesystem on Fedora-based systems. Debian- and Ubuntu-based systems use a similar tool called update-initramfs . If you want to generate, regenerate, or customize the existing initramfs, then you should know how to use the dracut tool. This chapter will explain how dracut works along with how to generate and customize initramfs. Also, you will learn some of the most common “can’t boot” issues related to initramfs.
Getting Started
Every kernel has its own initramfs file, but you might be wondering why you never had to use the dracut command to create initramfs while installing ...
