lnmp 安装elasticSearch-优快云博客

本文链接：https://blog.youkuaiyun.com/jameschiang1995/article/details/88916139

本文介绍如何在CentOS环境中使用yum安装Java，并通过wget获取Elasticsearch压缩包进行部署。此外，还提供了针对常见启动错误的解决方案，如内存分配错误及权限问题。

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ElasticSearch安装指南全文搜索属于最常见的需求，开源的 Elasticsearch （以下简称 Ela加粗样式stic）是目前全文搜索引擎的首选。它可以快速地储存、搜索和分析海量数据。维基百科、Stack Overflow、Github 都采用它。一、下载安装： yum 安装java yum install java-1.8.0-openjdk* -y 检测是否安装成功 java -version 二、安装elaticsearch wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-5.5.1.zip unzip elasticsearch-5.5.1.zip cd elasticsearch-5.5.1/ 执行./bin/elasticsearch启动 Elastic 三、错误处理： 1、刚安装完成启动就出错了：error=‘Cannot allocate memory’ ---------------------------------------------------------------- [root@centos7.4-64 elasticsearch-6.2.2]# vim ./config/jvm.options #修改内容 -Xms200m -Xmx200m ------------------------------------------------------------------- 2、can not run elasticsearch as root ----------------------------------------------------------------- adduser elastic passwd elastic Changing password for user elastic. New password: Retype new password: passwd: all authentication tokens updated successfully. ---------------------------------------------------------------------- 3、.main ERROR Could not register mbeans java.security.AccessControlException: access denied (“javax.management.MBeanTrustPermission” “register”) -------------------------------------------------------------------------- 修改elasticsearch所在目录的所有者和所属组为noroot用户 sudo chown -R noroot:noroot elasticsearch