pump и hostname

Очень странно, потому-что ручками это можно сделать.

Usage: pump [OPTION...]
-c, --config-file=STRING Configuration file to use instead of
/etc/pump.conf
-h, --hostname=hostname Hostname to request
-i, --interface=iface Interface to configure (normally eth0)
-u, --keep-up Keep the interface up when releasing it
-k, --kill Kill daemon (and disable all interfaces)
-l, --lease=hours Lease time to request (in hours)
-L, --leasesecs=seconds Lease time to request (in seconds)
--lookup-hostname Force lookup of hostname
-r, --release Release interface
-R, --renew Force immediate lease renewal
-m, --route-metric=(metric) Metric applied to routes (normally 0)
-v, --verbose Log verbose debug info
-s, --status Display interface status
-d, --no-dns Don't update resolv.conf
--no-gateway Don't set a gateway for this interface
--no-ntp Don't update ntp.conf
--no-setup Don't set up anything
--no-resolvconf Don't set up resolvconf
--no-bootp Ignore non-DHCP BOOTP responses
-p, --search-path=STRING Use this DNS search path instead of the
supplied one
--script=STRING Script to use
--win-client-ident Set the client identifier to match Window's

Help options:
-?, --help Show this help message
--usage Display brief usage message

Почему в конфиге этого сделать нельзя?