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/usr/bin/bitcoind --help
Bitcoin version v0.8.5.0-gef14a26-beta
Usage:
bitcoind [options]
bitcoind [options] <command> [params] Send command to -server or bitcoind
bitcoind [options] help List commands
bitcoind [options] help <command> Get help for a command
Options:
-? This help message
-conf=<file> Specify configuration file (default: bitcoin.conf)
-pid=<file> Specify pid file (default: bitcoind.pid)
-gen Generate coins (default: 0)
-datadir=<dir> Specify data directory
-dbcache=<n> Set database cache size in megabytes (default: 25)
-timeout=<n> Specify connection timeout in milliseconds (default: 5000)
-proxy=<ip:port> Connect through socks proxy
-socks=<n> Select the version of socks proxy to use (4-5, default: 5)
-tor=<ip:port> Use proxy to reach tor hidden services (default: same as -proxy)
-dns Allow DNS lookups for -addnode, -seednode and -connect
-port=<port> Listen for connections on <port> (default: 8333 or testnet: 18333)
-maxconnections=<n> Maintain at most <n> connections to peers (default: 125)
-addnode=<ip> Add a node to connect to and attempt to keep the connection open
-connect=<ip> Connect only to the specified node(s)
-seednode=<ip> Connect to a node to retrieve peer addresses, and disconnect
-externalip=<ip> Specify your own public address
-onlynet=<net> Only connect to nodes in network <net> (IPv4, IPv6 or Tor)
-discover Discover own IP address (default: 1 when listening and no -externalip)
-checkpoints Only accept block chain matching built-in checkpoints (default: 1)
-listen Accept connections from outside (default: 1 if no -proxy or -connect)
-bind=<addr> Bind to given address and always listen on it. Use [host]:port notation for IPv6
-dnsseed Find peers using DNS lookup (default: 1 unless -connect)
-banscore=<n> Threshold for disconnecting misbehaving peers (default: 100)
-bantime=<n> Number of seconds to keep misbehaving peers from reconnecting (default: 86400)
-maxreceivebuffer=<n> Maximum per-connection receive buffer, <n>*1000 bytes (default: 5000)
-maxsendbuffer=<n> Maximum per-connection send buffer, <n>*1000 bytes (default: 1000)
-paytxfee=<amt> Fee per KB to add to transactions you send
-daemon Run in the background as a daemon and accept commands
-testnet Use the test network
-debug Output extra debugging information. Implies all other -debug* options
-debugnet Output extra network debugging information
-logtimestamps Prepend debug output with timestamp
-shrinkdebugfile Shrink debug.log file on client startup (default: 1 when no -debug)
-printtoconsole Send trace/debug info to console instead of debug.log file
-rpcuser=<user> Username for JSON-RPC connections
-rpcpassword=<pw> Password for JSON-RPC connections
-rpcport=<port> Listen for JSON-RPC connections on <port> (default: 8332 or testnet: 18332)
-rpcallowip=<ip> Allow JSON-RPC connections from specified IP address
-rpcconnect=<ip> Send commands to node running on <ip> (default: 127.0.0.1)
-rpcthreads=<n> Set the number of threads to service RPC calls (default: 4)
-blocknotify=<cmd> Execute command when the best block changes (%s in cmd is replaced by block hash)
-walletnotify=<cmd> Execute command when a wallet transaction changes (%s in cmd is replaced by TxID)
-alertnotify=<cmd> Execute command when a relevant alert is received (%s in cmd is replaced by message)
-upgradewallet Upgrade wallet to latest format
-keypool=<n> Set key pool size to <n> (default: 100)
-rescan Rescan the block chain for missing wallet transactions
-salvagewallet Attempt to recover private keys from a corrupt wallet.dat
-checkblocks=<n> How many blocks to check at startup (default: 288, 0 = all)
-checklevel=<n> How thorough the block verification is (0-4, default: 3)
-txindex Maintain a full transaction index (default: 0)
-loadblock=<file> Imports blocks from external blk000??.dat file
-reindex Rebuild block chain index from current blk000??.dat files
-par=<n> Set the number of script verification threads (up to 16, 0 = auto, <0 = leave that many cores free, default: 0)
Block creation options:
-blockminsize=<n> Set minimum block size in bytes (default: 0)
-blockmaxsize=<n> Set maximum block size in bytes (default: 250000)
-blockprioritysize=<n> Set maximum size of high-priority/low-fee transactions in bytes (default: 27000)
SSL options: (see the Bitcoin Wiki for SSL setup instructions)
-rpcssl Use OpenSSL (https) for JSON-RPC connections
-rpcsslcertificatechainfile=<file.cert> Server certificate file (default: server.cert)
-rpcsslprivatekeyfile=<file.pem> Server private key (default: server.pem)
-rpcsslciphers=<ciphers> Acceptable ciphers (default: TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!AH:!3DES:@STRENGTH)