##markdown在ubuntu安装配置###
####安装jdk####
> sudo apt-get install python-software-properties
sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java8-installer
sudo update-alternatives --config java
#####安装elasticSearch####
原文：http://1933856.blog.51cto.com/1923856/1736997