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NAME | DESCRIPTION | AUTHOR | SEE ALSO | COLOPHON |
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DRACUT.BOOTUP(7) dracut DRACUT.BOOTUP(7)
dracut.bootup - boot ordering in the initramfs
This flow chart illustrates the ordering of the services, if
systemd is used in the dracut initramfs.
systemd-journal.socket
|
v
dracut-cmdline.service
|
v
dracut-pre-udev.service
|
v
systemd-udevd.service
|
v
local-fs-pre.target dracut-pre-trigger.service
| |
v v
(various mounts) (various swap systemd-udev-trigger.service
| devices...) | (various low-level (various low-level
| | | services: seed, API VFS mounts:
v v v tmpfiles, random mqueue, configfs,
local-fs.target swap.target dracut-initqueue.service sysctl, ...) debugfs, ...)
| | | | |
\_______________|____________________ | ___________________|____________________/
\|/
v
sysinit.target
|
_________________/|\___________________
/ | \
| | |
v | v
(various | rescue.service
sockets...) | |
| | v
v | rescue.target
sockets.target |
| |
\_________________ | emergency.service
\| |
v v
basic.target emergency.target
|
______________________/|
/ |
| v
| initrd-root-device.target
| |
| v
| dracut-pre-mount.service
| |
| v
| sysroot.mount
| |
| v
| initrd-root-fs.target
(custom initrd services) |
| v
| dracut-mount.service
| |
| v
| initrd-parse-etc.service
| |
| v
| (sysroot-usr.mount and
| various mounts marked
| with fstab option
| x-initrd.mount)
| |
| v
| initrd-fs.target
\______________________ |
\|
v
initrd.target
|
v
dracut-pre-pivot.service
|
v
initrd-cleanup.service
isolates to
initrd-switch-root.target
|
v
______________________/|
/ |
| initrd-udevadm-cleanup-db.service
| |
(custom initrd services) |
| |
\______________________ |
\|
v
initrd-switch-root.target
|
v
initrd-switch-root.service
|
v
switch-root
Harald Hoyer
dracut(8) bootup(7)
This page is part of the dracut (event driven initramfs
infrastructure) project. Information about the project can be
found at ⟨https://github.com/dracut-ng//dracut-ng⟩. If you have a
bug report for this manual page, see
⟨https://github.com/dracut-ng/dracut-ng/issues⟩. This page was
obtained from the project's upstream Git repository
⟨https://github.com/dracut-ng/dracut-ng.git⟩ on 2025-08-11. (At
that time, the date of the most recent commit that was found in
the repository was 2025-08-09.) If you discover any rendering
problems in this HTML version of the page, or you believe there is
a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
[email protected]
dracut 105-413-g314a2141 02/02/2025 DRACUT.BOOTUP(7)
|
HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
|