[Koha] New to KOHA. Trying to start indexing. Can anyone assist?

Trying to start indexing in KOHA 3.0 on Debian Sarge. Zebra is installed. I run this (sugggested from online: zebrasrv -f /koha/etc/koha.xml but I get this error msg: koha@lnxkoha:/var/lib$ zebrasrv -f /koha/etc/koha.xml I/O warning : failed to load external entity "/koha/etc/koha.xml" 12:58:50-01/07 [fatal] Could not parse /koha/etc/koha.xml Can anyone assist? Thank you, Todd Goatley