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Setup Instructions

Install Elastic Search

Before intalling, check if Java is installed in your computer

java -version

(version should be 1.8.0_131 or later)

If it isn't, run

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

sudo apt-get install oracle-java8-installer

Add the repository to your sources

wget -qO - https://artifacts.elastic.co/GPG-KEY-elasticsearch | sudo apt-key add -

echo "deb https://artifacts.elastic.co/packages/5.x/apt stable main" | sudo tee -a /etc/apt/sources.list.d/elastic-5.x.list

Update your sources and install

sudo apt-get update && sudo apt-get install elasticsearch

Check here for extra install info.

Start the Elastic Search service

sudo -i service elasticsearch start

You can configure it so that it starts when the system boots using

sudo update-rc.d elasticsearch defaults 95 10

Visit http://localhost:9200/ You should see something like this (it takes a while [20+ seconds] for the server to actually start)

{
  "name" : "HDFcKXt",
  "cluster_name" : "elasticsearch",
  "cluster_uuid" : "283BwhdrTRu-LHD1G_wx0Q",
  "version" : {
    "number" : "5.5.0",
    "build_hash" : "260387d",
    "build_date" : "2017-06-30T23:16:05.735Z",
    "build_snapshot" : false,
    "lucene_version" : "6.6.0"
  },
  "tagline" : "You Know, for Search"
}

If this fails, check your logs at /var/log/elasticsearch or /temp/hs_err_pid*.log

If your station has 2GB of RAM and under, you have to change the amount of memory that is allocated, to do this use

 sudo nano /etc/elasticsearch/jvm.options

And change the lines

-Xms2G
-Xmx2G

to

-Xms512m
-Xmx512m

Now that Elastic Search is set up, we will use ElasticSearchHQ, an ES GUI manager.

git clone https://github.com/royrusso/elasticsearch-HQ

cd elasticsearch-HQ

Start a server using

python -m SimpleHTTPServer 8000

Add the following to your elasticsearch.yml file using

sudo nano /etc/elasticsearch/elasticsearch.yml

http.cors.enabled: true
http.cors.allow-origin: /https?:\/\/localhost(:[0-9]+)?/
http.cors.allow-credentials: true
http.cors.allow-headers: X-Requested-With,X-Auth-Token,Content-Type, Content-Length, Authorization
http.cors.allow-methods : OPTIONS, HEAD, GET, POST, PUT, DELETE
node.master: true

Restart the ES Service

sudo -i service elasticsearch restart

Visit http://localhost:8000/?url=http://localhost:9200

ElasticSearchHD's Control Panel should show up!

Running the app

git clone https://github.com/vuneu/elasticsearch-test
cd elasticsearch-test

bundle install

rails db:setup

rake environment elasticsearch:import:all force=y

rake searchkick:reindex CLASS=Article

rails s