For me this didn't work. btcpd complained about missing peers.dat or missing uxto_snapshot. With peers.dat and uxto_snapshot I got no connections. Sooner or later btcpd gave up either way.

btcprivate.conf:
rpcuser=...
rpcpassword=...
rpcallowip=127.0.0.1  <-- with or without
addnode=dnsseed.btcprivate.org
rpcport=7932  <-- with or without