记录一次安装ElasticSearch(CentOS7上 , 单机版)

本文详细记录了在CentOS7上安装Elasticsearch的步骤,包括下载、上传、解压、配置修改、启动及解决启动时的常见问题,最后通过curl命令验证了服务启动成功。

摘要生成于 C知道 ,由 DeepSeek-R1 满血版支持, 前往体验 >

下载

https://www.elastic.co/cn/downloads/past-releases#elasticsearch 找到自己想下载的版本

上传到服务器

解压

.

修改配置文件

cluster.name: itrigger -->集群名称
node.name: zqy --> 急群众当前ES服务器节点名称
path.data: /home/elvis/data/elastic -->es索引库中的数据最终存储到哪个目录下, 目录会自动创建
path.logs: /home/elvis/logs/elastic -->es进程启动后, 对应的日志信息存放的位置, 目录会自动创建
network.hots: 127.0.0.1 -->当前虚拟机的ip地址
http.cors.enabled.true -->下面两个配置参数指的是es服务器允许别的插件服务访问
http.cors.allow-origin: “*”

启动

./bin/elasticsearch .-d (-d表示后台启动)
== ** 注意: 启动elasticsearch 需要用普通用户, 不能用root ==
== 用root启动报的错:==
org.elasticsearch.bootstrap.StartupException: java.lang.RuntimeException: can not run elasticsearch as root
at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:163) ~[elasticsearch-6.6.2.jar:6.6.2]
at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:150) ~[elasticsearch-6.6.2.jar:6.6.2]
at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86) ~[elasticsearch-6.6.2.jar:6.6.2]
at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124) ~[elasticsearch-cli-6.6.2.jar:6.6.2]
at org.elasticsearch.cli.Command.main(Command.java:90) ~[elasticsearch-cli-6.6.2.jar:6.6.2]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:116) ~[elasticsearch-6.6.2.jar:6.6.2]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:93) ~[elasticsearch-6.6.2.jar:6.6.2]
Caused by: java.lang.RuntimeException: can not run elasticsearch as root
at org.elasticsearch.bootstrap.Bootstrap.initializeNatives(Bootstrap.java:103) ~[elasticsearch-6.6.2.jar:6.6.2]
at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:170) ~[elasticsearch-6.6.2.jar:6.6.2]
at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:333) ~[elasticsearch-6.6.2.jar:6.6.2]
at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:159) ~[elasticsearch-6.6.2.jar:6.6.2]
… 6 more

部署时常见错误以及解决方案

https://blog.youkuaiyun.com/qq_22211217/article/details/80740873
https://blog.youkuaiyun.com/weixin_38361347/article/details/93386009
我还遇到了内存不足的错误, 用上述第二个链接的解决方案解决了, 最后终于启动了.

验证启动成功

curl -XGET ‘http://127.0.0.1:9200

返回的结果为:

  "name" : "zqy",
  "cluster_name" : "itrigger",
  "cluster_uuid" : "GPLHooDYQ1GqBq1k4v4_Jw",
  "version" : {
    "number" : "6.6.2",
    "build_flavor" : "default",
    "build_type" : "tar",
    "build_hash" : "3bd3e59",
    "build_date" : "2019-03-06T15:16:26.864148Z",
    "build_snapshot" : false,
    "lucene_version" : "7.6.0",
    "minimum_wire_compatibility_version" : "5.6.0",
    "minimum_index_compatibility_version" : "5.0.0"
  },
  "tagline" : "You Know, for Search"
}

代表成功了~~~!!!

评论
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值