SYSTEMD-MACHINE-ID-SETUP(1) systemd-machine-id-setup NAME systemd-machine-id-setup - /etc/machine-id SYNOPSIS systemd-machine-id-setup systemd-machine-id-setup /etc/machine-id "machine ID" machine-id(5) --commit /etc/machine-id "machined ID" "machine ID" 1. D-Bus "machine ID" D-Bus "machine ID" /etc/machine-id 2. UUID( -uuid )KVM UUID /etc/machine-id KVM UUID 3. UUIDLinux UUID /etc/machine-id Container Interface[1] 4. "machine ID" /etc/machine-id --commit "machine ID" systemd-firstboot(1) ()"machine ID" --root=root "" root /etc/machine-id --commit "machine ID" "" "tmpfs" /etc/machine-id /etc /etc/machine-id /etc/machine-id "tmpfs" /etc "machine ID" /etc/machine-id "machine ID" systemd-machine-id- commit.service(8) --print "machine ID" -h, --help --version 0 systemd(1), machine-id(5), systemd-machine-id-commit.service(8), dbus- uuidgen(1), systemd-firstboot(1) NOTES 1. Container Interface http://www.freedesktop.org/wiki/Software/systemd/ContainerInterface man http://www.jinbuguo.com man https://github.com/man-pages-zh/manpages- zh systemd 231 SYSTEMD-MACHINE-ID-SETUP(1)