Shulou(Shulou.com)11/24 Report--

CTOnews.com, May 9, Fedora 39 release is currently under development, and the latest proposal proposes to use systemd's mkosi-initrd instead of Dracut to speed up the local construction of initrds.

The proposal for the translation function of CTOnews.com is as follows:

Mkosi-initrd is an alternative builder to initrds that helps users build initrds locally by integrating it into the Fedora distribution.

When installing kernel packages through mkosi-initrd, you can provide a kernel installation plug-in to build initrd.

Its extended goal is to allow initrds to be built in koji and interact through rpm packages, while the subsequent goal is to pre-build initrds, which is directly embedded in the unified kernel image through rpm package delivery.

Our process of creating initrd is complex and inefficient. Initrds contains repetitive functions that require a lot of maintainer work. The purpose of the proposal is to introduce a greatly simplified mechanism for initializing creation and simplified initialization content.

The mkosi-initrd project is a set of configuration files for mkosi. MKOSI is a program that builds an operating system image from a system package. Initrd is built by calling mkosi using the configuration provided by mkosi-initrd.

Instead of crawling the file system and finding the dependencies again, initrd is populated with existing packages and a normal package installation via dnf / rpm. This also means that the package manager is responsible for satisfying the dependencies. At run time, systemd is responsible for setting the execution environment and calling the program.

Currently, the initrd built in this way is larger than the initrd built by dracut. Their capabilities are also limited: many common types of systems work well, but do not support special configurations.

The goal of this change is to provide an alternative mechanism. If the feedback is positive, we may consider using initrds built using mkosi-initrd as the default in some cases.

There are no plans to remove dracut in the foreseeable future. This means that dracut is still a natural backup for any situation that is unsupported or ineffective.

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