Usage:
  syslog-ng-ctl <command [command]> [options]

Possible commands are:
    attach               Attach to a running syslog-ng instance. Possible commands: stdio, logs, debugger
    stats                Get syslog-ng statistics
    verbose              Enable/query verbose messages
    debug                Enable/query debug messages
    trace                Enable/query trace messages
    log-level            Set syslog-ng loglevel (verbose, debug, trace)
    stop                 Stop syslog-ng process
    reload               Reload syslog-ng
    reopen               Re-open of log destination files
    query                Query syslog-ng statistics. Possible commands: list [pattern], get [pattern]
    show-license-info    Show information about the license
    credentials          Credentials manager
    config               Print current config
    list-files           Print files present in config
    export-config-graph  export configuration graph
    healthcheck          Health check

For detailed help of a given command use:
    syslog-ng-ctl <command> --help|-h
    syslog-ng-ctl --help|-h <command>

For options of the given command use:
    syslog-ng-ctl <command> [option] --help|-h
    syslog-ng-ctl --help|-h <command> [option]