Section: systemd-machine-id-setup (1)
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systemd-machine-id-setup - Initialize the machine ID in /etc/machine-id
may be used by system installer tools to initialize the machine ID stored in
at install time with a randomly generated ID. See
for more information about this file.
This tool will execute no operation if
is already initialized.
If a valid D-Bus machine ID is already configured for the system, the D-Bus machine ID is copied and used to initialize the machine ID in
If run inside a KVM virtual machine and a UUID is passed via the
option, this UUID is used to initialize the machine ID instead of a randomly generated one. The caller must ensure that the UUID passed is sufficiently unique and is different for every booted instanced of the VM.
Similarly, if run inside a Linux container environment and a UUID is set for the container this is used to initialize the machine ID. For details see the documentation of the
The following options are understood:
Takes a directory path as an argument. All paths will be prefixed with the given alternate
path, including config search paths.
Print a short help text and exit.
Print a short version string and exit.
On success, 0 is returned, a non-zero failure code otherwise.
- EXIT STATUS
- SEE ALSO