November's Paddleball Marathon

    0.3.5 • Public • Published - Real-time log monitoring in your browser

    Powered by node.js +

    How does it work?

    Harvesters watch log files for changes, send new log messages to the server via TCP, which broadcasts to web clients via

    Log streams are defined by mapping file paths to a stream name in harvester configuration.

    Users browse streams and nodes in the web UI, and activate (stream, node) pairs to view and search log messages in screen widgets.

    Install Server & Harvester

    1. Install via npm

      npm install -g --user "ubuntu"

    2. Run server

    3. Configure harvester

      nano ~/

    4. Run harvester

    5. Browse to http://localhost:28778

    Server TCP Interface

    Harvesters connect to the server via TCP, and write properly formatted strings to the socket. Third party harvesters can send messages to the server using the following commands:

    Send a log message

    +log|my_stream|my_node|info|this is log message\r\n

    Register a new node


    Register a new node, with stream associations


    Remove a node





    Copyright 2013 Narrative Science <>

    Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

    Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.


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