NAME
systemd-machine-id-commit - Commit transient machine ID to
/etc/machine-id SYNOPSIS
systemd-machine-id-commit DESCRIPTION
systemd-machine-id-commit may be used to write on disk any transient
machine ID mounted as a temporary file system in /etc/machine-id at
boot time. See machine-id(5) for more information about this file.
This tool will execute no operation if /etc/machine-id doesn't contain any valid machine ID, isn't mounted as an independent temporary file
system, of /etc is read-only. If those conditions are met, it will then write current machine ID to disk and unmount the transient
/etc/machine-id file in a race-free manner to ensure that this file is always valid for other processes. Note that the traditional way to initialize the machine ID in
/etc/machine-id is to use systemd-machine-id-setup by system installer
tools. You can also use systemd-firstboot(1) to initialize the machine ID on mounted (but not booted) system images. OPTIONS The following options are understood: root=root Takes a directory path as an argument. All paths will be prefixed with the given alternate root path, including config search paths.
-h, help Print a short help text and exit. version Print a short version string and exit. EXIT STATUS
On success, 0 is returned, a non-zero failure code otherwise. SEE ALSO
systemd(1), systemd-machine-id-commit.service(8), systemd-machine-id-
setup(1), machine-id(5), systemd-firstboot(1)
systemd 219 SYSTEMD-MACHINE-ID-COMMIT(1)