![](https://steemitimages.com/DQmP6QYF6u6snoWVf6ufTSsScZZb9WFXG45iFRcz97ib1kQ/image.png)
# Install nodejs if you haven't
Follow insturctions on https://nodejs.org/en/download/package-manager/, choose the appropriate distribution for your operating system.

# Install pm2
pm2 is a tool that makes nodejs program run in background.
```
$ sudo npm install pm2 -g
```
# Download price feed publishing tool and it's dependencies
```
$ git clone https://github.com/Tadasu85/pricefeed.git
$ cd pricefeed
$ npm install
```
# Edit configuration file

Open `config.json` with your editor, and replace `account` and `active_key` field with your own, just leave other fields as it is :
```
{
  "account": "Witness Account Name",  // modify it!
  "active_key": "Witness Active Private Key",  // modify it!
  "exchanges": [],
  "interval": 60,
  "peg_multi": 1
}
```
Remember to save it before going ahead.
# Publishing price feed
```
$ pm2 start feed.js
```
Now price feed publishing with your account is done.

## If this post helps you, please vote for my witness account `david`.