I manage to get feeds ( I think ).
I copyed greenbone-certdata-sync and greenbone-scapdata-sync on web facing server, created there /var/lib/gvm/cert-data and /var/lib/gvm/scap-data. Put there feed.xml from OpenVas host, and start both scripts. They put some xml files in those directories. I copyed them to same location on OpenVas server.
From How to update/keep the feed up to date? those updates of feeds should be automatically done if I have openvassd and gvmd services running. I have both of them in running state.
And I don’t have openvasmd program on OpenVas server.
In Security assistant ( on 9392 port ) in Extras -> Feed Status I have for scap and cert, version OT, and Status current, same as before transfering all those xml files.
How to apply feeds?
Regards