/home/myUsername/.bitcoin/bitcoin.conf

listen=1
server=1
rpcuser=myUsername
rpcpassword=myPassword
rpcport=8332
rpcconnect=127.0.0.1

sudo iptables -A INPUT -p tcp -m tcp --dport 8333 -m comment --comment "Bitcoin Listen" -j ACCEPT

sudo iptables -A INPUT -p tcp -m tcp --dport 8332 -m comment --comment "Bitcoin RPC" -j ACCEPT

bitcoind -daemon -datadir=/raid1a/bitcoind/

Bitcoin server starting

bitcoin-cli getinfo

error: incorrect rpcuser or rpcpassword (authorization failed)

ThreadRPCServer incorrect password attempt from 127.0.0.1:someport