sudo add-apt-repository ppa:bitcoin/bitcoin
sudo apt-get update
sudo apt-get install bitcoind

description "bitcoind"

start on filesystem
stop on runlevel [!2345]
oom never
expect daemon
respawn
respawn limit 10 60 # 10 times in 60 seconds

script
exec 2>>/var/log/bitcoind.log
set -x
user=eamorr
home=/home/$user
cmd=/usr/bin/bitcoind
pidfile=$home/.bitcoin/bitcoind.pid
# Don't change anything below here unless you know what you're doing
[[ -e $pidfile && ! -d "/proc/$(cat $pidfile)" ]] && rm $pidfile
[[ -e $pidfile && "$(cat /proc/$(cat $pidfile)/cmdline)" != $cmd* ]] && rm $pidfile
exec start-stop-daemon --start -c $user --chdir $home --pidfile $pidfile --startas $cmd -b --nicelevel 15 -m
end script

>> bitcoin-cli getnetworkinfo
{
    "version" : 90201,
    "protocolversion" : 70002,
    "timeoffset" : 0,
    "connections" : 8,
    "proxy" : "",
    "relayfee" : 0.00001000,
    "localaddresses" : [
        {
            "address" : "xxxxxxxxxxxxxxx - IPv4 address",
            "port" : 8333,
            "score" : 9
        },
        {
            "address" : "xxxxxxxxxxxxxxx - IPv6 address",
            "port" : 8333,
            "score" : 1
        }
    ]
}



>> bitcoin-cli getinfo
{
    "version" : 90201,
    "protocolversion" : 70002,
    "walletversion" : 60000,
    "balance" : 0.00000000,
    "blocks" : 172082,
    "timeoffset" : 0,
    "connections" : 10,
    "proxy" : "",
    "difficulty" : 1498294.36281651,
    "testnet" : false,
    "keypoololdest" : 1409306527,
    "keypoolsize" : 101,
    "paytxfee" : 0.00000000,
    "relayfee" : 0.00001000,
    "errors" : ""
}



>> bitcoin-cli listaccounts
{
    "" : 0.00000000
}



>> bitcoin-cli listreceivedbyaddress
[
]