$ mkdir mybitcoindir
$ cd mybitcoindir

checkpoints=0
connect=0.0.0.0
daemon=1
discover=0
dnsseed=0
gen=1
irc=0
keypool=5
listen=0
port=19002
rpcpassword=test123
rpcport=19003
rpcuser=test
upnp=0

$ bitcoind -datadir=mybitcoindir

$ bitcoin-cli -datadir=mybitcoindir getpeerinfo
[
]

$ bitcoin-cli -datadir=mybitcoindir setgenerate true