/usr/share/initramfs-tools/scripts/init-top/udev is in udev 237-3ubuntu10.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | #!/bin/sh -e
PREREQS=""
prereqs() { echo "$PREREQS"; }
case "$1" in
prereqs)
prereqs
exit 0
;;
esac
if [ -w /sys/kernel/uevent_helper ]; then
echo > /sys/kernel/uevent_helper
fi
if [ "$quiet" = "y" ]; then
log_level=notice
else
log_level=info
fi
SYSTEMD_LOG_LEVEL=$log_level /lib/systemd/systemd-udevd --daemon --resolve-names=never
udevadm trigger --type=subsystems --action=add
udevadm trigger --type=devices --action=add
udevadm settle || true
# Leave udev running to process events that come in out-of-band (like USB
# connections)
|