In Ubuntu 14.04, it should be /etc/dhcp/dhcpd.conf
. The following command will list all installed files from isc-dhcp-server
package and filter /etc
configuration using grep
.
$ dpkg -L isc-dhcp-server | grep /etc/
/etc/dhcp
/etc/dhcp/dhcpd.conf
/etc/init.d
/etc/init.d/isc-dhcp-server
/etc/init
/etc/init/isc-dhcp-server.conf
/etc/init/isc-dhcp-server6.conf
/etc/apparmor.d
/etc/apparmor.d/usr.sbin.dhcpd
/etc/apparmor.d/dhcpd.d
Through GUI, Open Synaptic: Right click on isc-dhcp-server
→ Properties → Installed Files.