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108 lines (59 sloc) 2.77 KB - 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, which broadcasts to web clients.

Users create stream and history screens to view and search log messages.


node.js v0.6.17 ( is currently incompatible with v0.7.x)




Harvesters & server have been tested on Ubuntu 11.04

Web clients have been tested on Chrome, Safari, and Firefox.

Install log server on Machine A

1) Download source

git clone git://

2) Verify dependencies


3) Install & launch server

sudo ./install/server

4) Browse to:

5) Configure port, add HTTP basic auth (Optional)

Modify /etc/

sudo /etc/init.d/ restart

Install log harvester on Machine B

1) Download source

git clone git://

2) Verify dependencies


3) Install harvester

sudo ./install/harvester

4) Configure harvester (modify /etc/

  • Server host
  • Local log files

5) Start harvester

sudo /etc/init.d/ start




Copyright 2011 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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