Reference

hostid(1)

print the numeric identifier for the current host

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

Report bugs to: <[email protected]>.
Report any translation bugs to: <https://translationproject.org/team/>.
GNU coreutils home page: <https://www.gnu.org/software/coreutils/>
General help using GNU software: <https://www.gnu.org/gethelp/>

COPYRIGHT

Copyright © 2026 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'

History

--help since Debian 2.2 (Potato); --version since Debian 2.2 (Potato).