hostid(1) - man - phpman

Che Dong

Print the numeric identifier for the current host (not necessarily the IP address).

Display the numeric identifier for the current host in hexadecimal
hostid

HOSTID(1)                                   User Commands                                  HOSTID(1)



NAME
       hostid - print the numeric identifier for the current host

SYNOPSIS
       hostid [OPTION]

DESCRIPTION
       Print the numeric identifier (in hexadecimal) for the current host.

       --help display this help and exit

       --version
              output version information and exit

AUTHOR
       Written by Jim Meyering.

REPORTING BUGS
       GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
       Report any translation bugs to <https://translationproject.org/team/>

COPYRIGHT
       Copyright  ©  2020 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later
       <https://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY,  to
       the extent permitted by law.

SEE ALSO
       gethostid(3)

       Full documentation <https://www.gnu.org/software/coreutils/hostid>
       or available locally via: info '(coreutils) hostid invocation'



GNU coreutils 8.32                          January 2026                                   HOSTID(1)