rabarber

Installation

Install owfs

As described in .https://gist.github.com/kmpm/4445289

sudo apt-get install i2c-tools owfs ow-shell

Edit /etc/modprobe.d/raspi-blacklist.conf and comment out the bcm2708 line.

#blacklist i2c-bcm2708

Add i2c-dev to the end of /etc/modules file if it's not already listed.

Load the modules manually instead of restarting.

sudo modprobe i2c-bcm2708
sudo modprobe i2c-dev

Edit /etc/owfs.conf and remove any othter server: FAKE... or whatever is default. Instead add a line with for i2c like below.

#server: FAKE = DS18S20,DS2405

server: i2c = ALL:ALL

Restart service so it gets the new config

sudo service owserver restart

Install Node

Install node and setup a path

cd /tmp
wget http://nodejs.org/dist/v0.10.28/node-v0.10.28-linux-arm-pi.tar.gz
cd /opt
sudo tar -zxf /tmp/node-v0.10.28-linux-arm-pi.tar.gz
sudo mv node-v0.10.28-linux-arm-pi node
export PATH=$PATH:/opt/node/bin

Install rabarber

Checkout rabarber code and install dependencies

cd ~
git clone https://github.com/kmpm/rabarber.git
cd rabarber
npm install --production

Put export NODE_ENV=production

into /etc/default/rabarber

ln -s /home/pi/rabarber/misc/rabarber /etc/init.d/rabaraber

Misc

Fix so that user for node process can reboot and poweroff

/etc/sudoers.d/power

<username> ALL=(ALL) NOPASSWD: /sbin/reboot
<username> ALL=(ALL) NOPASSWD: /sbin/poweroff