Package: udev

"udev" package binaries on CentOS:

/sbin/scsi_id /sbin/start_udev /sbin/udevadm /sbin/udevd

You may install this package on CentOS with yum install udev

"udev" package binaries on Debian:

/bin/udevadm /sbin/udevadm /sbin/udevd

You may install this package on Debian with apt-get install udev