安装Elasticsearch5.0.0

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安装JDK

由于ES不允许Root用户运行,所以先创建一个用户和用户组(用户添加到用户组中)

下载安装包:https://www.elastic.co/downloads/past-releases/elasticsearch-5-0-0

解压:tar -zxvf elasticsearch-5.0.0-alpha3.tar.gz

修改访问IP和端口:vi /usr/java/elasticsearch/config/elasticsearch.yml

找到如下代码段,并取消network.hosthttp.port所在行的注释,修改IP及端口

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直接运行bin/elasticsearch文件启动elasticsearch


cd /usr/java/elasticsearch/bin/

./elasticsearch

启动时会报很多错误

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如果以root身份运行将会出现以下问题

root@yxjay:/opt/elasticsearch-2.3.5/bin# ./elasticsearchException in thread "main" java.lang.RuntimeException: don't run elasticsearch as root.at org.elasticsearch.bootstrap.Bootstrap.initializeNatives(Bootstrap.java:93)at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:144)at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:270)at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:35)Refer to the log for complete error details.
如果报错:“无法指定被请求的地址”、“failed to bind to [9300-9400]”请检查机器的网络连接是否正常。