Ubuntu 12.04 PredictionIO Install Notes

Install Guide:
http://docs.prediction.io/installation/install-predictionio-on-linux.html

Installation

1. Preparation

Enable super hacker mode

sudo su

Download some utils

apt-get install -y wget curl unzip

2. Install Oracle Java JDK 7

Reference:
http://webupd8.org/2012/01/install-oracle-java-jdk-7-in-ubuntu-via.html

add-apt-repository ppa:webupd8team/java
apt-get update

Automatically accept the oracle license. Otherwise the install requires user intervention.

echo oracle-java7-installer shared/accepted-oracle-license-v1-1 select true | /usr/bin/debconf-set-selections

Then install java!

apt-get install -y oracle-java7-installer

Assert that java 7 is indeed installed

java -version

After that, we setup the environment variables

apt-get install -y oracle-java7-set-default

3. Installing PredictionIO

The NameNode and DataNode problem isn't a problem for us, because I think it would only happen if /tmp was full. In our case, we don't have a lot of data so for short term I think we can ignore this. One thing to note is that the right location for the file is conf/hadoop/hdfs-site.xml.

a) Preparations

Let's create a predictionIO user:

PREDICTIONIO_USER=predictionIO

useradd $PREDICTIONIO_USER -m -s /bin/bash

Then let's create our install directory, and move to it:

INSTALL_DIR=/opt/predictionIO

mkdir -p $INSTALL_DIR && cd $_
chown -R $PREDICTIONIO_USER:$PREDICTIONIO_USER .

Now let's login as our new user:

su $PREDICTIONIO_USER

And let's create ssh keys for Hadoop:

ssh-keygen -t dsa -P '' -f ~/.ssh/id_dsa
cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys

b) Download the binary release

PREDICTIONIO_BINARY_RELEASE=PredictionIO-0.4.2.zip

wget http://download.prediction.io/$PREDICTIONIO_BINARY_RELEASE
unzip $PREDICTIONIO_BINARY_RELEASE
cd $_

c) Setup Vendors

First you want to get the path to your java install dir. It's probably:

/usr/lib/jvm/java-7-oracle

Then we can just run the setup script:

./bin/setup-vendors.sh

That script will have to be hacked to support unnatended setup...

d) Setup PredictionIO

Pretty easy:

./bin/setup.sh

Starting it:

./bin/start-all.sh

Note that unlike what the docs say, mongodb doesn't need to be running before calling the start script.

The script will output the following error:

LF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.

PredictionIO will still work, but I don't think it will log stuff. You could try to install the slf4j library, but that didn't fix it for me:

 apt-get install libslf4j-java

After the thing has started, you'll have to create a user:

./bin/user

Now you're all done! Just open up your browser to localhost:8000 to get to the admin page.

Ports

Subsystem	Port
Hadoop	9001
Admin	9000
API	8000

Troubleshooting

I had some problems installing this thing. See my thread on the google group:
https://groups.google.com/forum/#!topic/predictionio-user/5GDDFAET5fw

surjikal/prediction-io-ubuntu-precise.md