hostid(1)

NAME
       hostid - set or print system's host id.

SYNTAX
       hostid [-v] [decimal-id]

DESCRIPTION
       The  hostid  command  prints the current host id number in
       hexadecimal and both decimal and hexadecimal in  parenthe-
       sis  if  the  -v  option  is given.  This numeric value is
       expected to be unique across all hosts and is normally set
       to resemble the host's Internet address.

       Only  the super-user can set the hostid by giving an argu-
       ment. This value is stored in  the  file  /etc/hostid  and
       need only be performed once.

AUTHOR
       Hostid   is  written  by  Mitch  DSouza  -  (m.dsouza@mrc-
       apu.cam.ac.uk)

SEE ALSO
       gethostid(2) sethostid(2)