Elasticsearch

Precondition:

Ubuntu OS

环境准备：

1. JAVA_HOME

1.1 Download the jdk8 (jdk-8u25-linux-x64.tar.gz) from official website

　　1.1.1 check your pc's version:  uname -m

　　　　　　if  x86_64 printed, your pc is 64-bits

　　1.1.2 download the jdk8 (jdk-8u25-linux-x64.tar.gz) from official website and extract

1.2 Set JAVA_HOME

　　See also Java 环境变量

2. Elasticsearch

2.1 Download from official website and extract

2.2 Go to the directory 

　　cd ~/Documents/App/elasticsearch-1.4.2/

2.3 Run elasticsearch

　　bin/elasticsearch -f  (-f means running in front)

2.4 How to know if it is running 

　　Access the url below in browser

　　http://localhost:9200

2.5 Stop elasticsearch

　　Ctrl + c

Note: if the service is not running in front, we can stop it from browser

http://localhost:9200/_cluster/nodes/_shutdown

Or we can stop it using curl

curl -XPOST http://localhost:9200/_cluster/nodes/_shutdown