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Current Path: /usr/lib/dracut/modules.d/98dracut-systemd

usr / lib / dracut / modules.d / 98dracut-systemd /

ðŸ“ ..
ðŸ“„ dracut-cmdline-ask.service(847 B)
ðŸ“„ dracut-cmdline-ask.sh(418 B)
ðŸ“„ dracut-cmdline.service(904 B)
ðŸ“„ dracut-cmdline.service.8(1.52 KB)
ðŸ“„ dracut-cmdline.service.8.asc(442 B)
ðŸ“„ dracut-cmdline.sh(2.59 KB)
ðŸ“„ dracut-emergency.service(681 B)
ðŸ“„ dracut-emergency.sh(1.35 KB)
ðŸ“„ dracut-initqueue.service(821 B)
ðŸ“„ dracut-initqueue.service.8(1.51 KB)
ðŸ“„ dracut-initqueue.service.8.asc(439 B)
ðŸ“„ dracut-initqueue.sh(2.1 KB)
ðŸ“„ dracut-mount.service(793 B)
ðŸ“„ dracut-mount.service.8(1.5 KB)
ðŸ“„ dracut-mount.service.8.asc(416 B)
ðŸ“„ dracut-mount.sh(1.03 KB)
ðŸ“„ dracut-pre-mount.service(822 B)
ðŸ“„ dracut-pre-mount.service.8(1.51 KB)
ðŸ“„ dracut-pre-mount.service.8.asc(434 B)
ðŸ“„ dracut-pre-mount.sh(502 B)
ðŸ“„ dracut-pre-pivot.service(1.1 KB)
ðŸ“„ dracut-pre-pivot.service.8(1.5 KB)
ðŸ“„ dracut-pre-pivot.service.8.asc(429 B)
ðŸ“„ dracut-pre-pivot.sh(895 B)
ðŸ“„ dracut-pre-trigger.service(914 B)
ðŸ“„ dracut-pre-trigger.service.8(1.51 KB)
ðŸ“„ dracut-pre-trigger.service.8.asc(440 B)
ðŸ“„ dracut-pre-trigger.sh(467 B)
ðŸ“„ dracut-pre-udev.service(993 B)
ðŸ“„ dracut-pre-udev.service.8(1.5 KB)
ðŸ“„ dracut-pre-udev.service.8.asc(424 B)
ðŸ“„ dracut-pre-udev.sh(1.38 KB)
ðŸ“„ dracut-shutdown-onfailure.service(309 B)
ðŸ“„ dracut-shutdown.service(440 B)
ðŸ“„ dracut-shutdown.service.8(3.72 KB)
ðŸ“„ dracut-shutdown.service.8.asc(1.84 KB)
ðŸ“„ dracut-tmpfiles.conf(135 B)
ðŸ“„ emergency.service(692 B)
ðŸ“„ module-setup.sh(2.02 KB)
ðŸ“„ rootfs-generator.sh(4.05 KB)

Editing: dracut-shutdown.service.8.asc

DRACUT-SHUTDOWN.SERVICE(8)
===========================
:doctype: manpage
:man source:   dracut
:man manual:   dracut

NAME
----
dracut-shutdown.service - unpack the initramfs to /run/initramfs

SYNOPSIS
--------
dracut-shutdown.service

DESCRIPTION
-----------
This service unpacks the initramfs image to /run/initramfs.
systemd pivots into /run/initramfs at shutdown, so the root filesystem
can be safely unmounted.

The following steps are executed during a shutdown:

* systemd switches to the shutdown.target
* systemd starts /lib/systemd/system/shutdown.target.wants/dracut-shutdown.service
* dracut-shutdown.service executes /usr/lib/dracut/dracut-initramfs-restore which unpacks the initramfs to /run/initramfs
* systemd finishes shutdown.target
* systemd kills all processes
* systemd tries to unmount everything and mounts the remaining read-only
* systemd checks, if there is a /run/initramfs/shutdown executable
* if yes, it does a pivot_root to /run/initramfs and executes ./shutdown. The old root is then mounted on /oldroot. /usr/lib/dracut/modules.d/99shutdown/shutdown.sh is the shutdown executable.
* shutdown will try to umount every /oldroot mount and calls the various shutdown hooks from the dracut modules

This ensures, that all devices are disassembled and unmounted cleanly.

To debug the shutdown process, you can get a shell in the shutdown procedure
by injecting "rd.break=pre-shutdown rd.shell" or "rd.break=shutdown rd.shell".
----
# mkdir -p /run/initramfs/etc/cmdline.d
# echo "rd.break=pre-shutdown rd.shell" > /run/initramfs/etc/cmdline.d/debug.conf
# touch /run/initramfs/.need_shutdown
----

In case the unpack of the initramfs fails, dracut-shutdown-onfailure.service
executes to make sure switch root doesn't happen, since it would result in
switching to an incomplete initramfs.

AUTHORS
-------
Harald Hoyer

X7ROOT File Manager

Editing: dracut-shutdown.service.8.asc

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