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Nodeos Options

Nodeos is a command line interface (CLI) application. As such, it can be started manually from the command line or through an automated script. The behavior of nodeos is determined mainly by which plugins are loaded and which plugin options are used. The nodeos application features two main option categories: nodeos-specific options and plugin-specific options.

Nodeos-specific Options

Nodeos-specific options are used mainly for housekeeping purposes, such as setting the directory where the blockchain data resides, specifying the name of the nodeos configuraton file, setting the name and path of the logging configuration file, etc. A sample output from running nodeos --help is displayed below, showing the nodeos-specific options (Note: the plugin-specific options have been excluded for clarity):

Application Config Options:
  --plugin arg                          Plugin(s) to enable, may be specified 
                                        multiple times

Application Command Line Options:
  -h [ --help ]                         Print this help message and exit.
  -v [ --version ]                      Print version information.
  --full-version                        Print full version information.
  --print-default-config                Print default configuration template
  -d [ --data-dir ] arg                 Directory containing program runtime 
                                        data
  --config-dir arg                      Directory containing configuration 
                                        files such as config.ini
  -c [ --config ] arg (=config.ini)     Configuration file name relative to 
                                        config-dir
  -l [ --logconf ] arg (=logging.json)  Logging configuration file name/path 
                                        for library users

Plugin-specific Options

Plugin-specific options control the behavior of the nodeos plugins. Every plugin-specific option has a unique name, so it can be specified in any order within the command line or config.ini file. When specifying one or more plugin-specific option(s), the applicable plugin(s) must also be enabled using the --plugin option or else the corresponding option(s) will be ignored.

For more information on each plugin-specific option, just visit the Plugins section.