coinadmin@ubuntu-bit:~$ /usr/local/bin/helium-cli --help
Helium Core RPC client version v0.16.0-2-g4850f9af3

Usage:
  helium-cli [options] <command> [params]  Send command to Helium Core
  helium-cli [options] help                List commands
  helium-cli [options] help <command>      Get help for a command

Options:

  -?
       This help message

  -conf=<file>
       Specify configuration file (default: helium.conf)

  -datadir=<dir>
       Specify data directory

  -testnet
       Use the test network

  -regtest
       Enter regression test mode, which uses a special chain in which blocks
       can be solved instantly. This is intended for regression testing tools
       and app development.

  -rpcconnect=<ip>
       Send commands to node running on <ip> (default: 127.0.0.1)

  -rpcport=<port>
       Connect to JSON-RPC on <port> (default: 9019 or testnet: 19019)

  -rpcwait
       Wait for RPC server to start

  -rpcuser=<user>
       Username for JSON-RPC connections

  -rpcpassword=<pw>
       Password for JSON-RPC connections

  -rpcclienttimeout=<n>
       Timeout during HTTP requests (default: 900)