linux下安装 Elasticsearch 7.x (手把手教学)
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1.导入 Elasticsearch GPG KEY:- rpm --import ./GPG-KEY-elasticsearch
- or
- apt-key add ./GPG-KEY-elasticsearch
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2.添加elasticsearch的yum repo文件- vim /etc/yum.repos.d/elasticsearch.repo<br><br>
复制代码- [elasticsearch-7.x]
- name=Elasticsearch repository for 7.x packages
- baseurl=https://mirror.tuna.tsinghua.edu.cn/elasticstack/7.x/yum/
- gpgcheck=1
- gpgkey=https://artifacts.elastic.co/GPG-KEY-elasticsearch
- enabled=1
- autorefresh=1
- type=rpm-md
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3.安装elasticsearch - yum install elasticsearch
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4.配置elasticsearch - vim /etc/elasticsearch/elasticsearch.yml<br>
- # 17行,设置集群名称
- cluster.name: my-cluster
- # 23行,设置节点名称
- node.name: es-node1
- # 56行,允许外网访问
- network.host: 0.0.0.0
- # 74行,配置集群master节点
- cluster.initial_master_nodes: ["es-node1"]<br><br># elasticsearch默认是不支持跨域的,在末尾添加如下两行支持跨域<br>http.cors.enabled: true<br>http.cors.allow-origin: "*"
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5.elasticsearch 默认需要4g的内存,这里可以在适当修改,-Xms4g, 数字即为所占用内存
禁止 swap,一旦允许内存与磁盘的交换,会引起致命的性能问题。
可以通过在 elasticsearch.yml 中 bootstrap.memory_lock: true,以保持 JVM 锁定内存,保证 ES 的性能。- vim /etc/elasticsearch/jvm.options<br>
- -Xms1g
- -Xmx1g
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6.elasticsearch不可以在root用户下启动,所以需要切换用户- # 添加用户,我这里叫es
- adduser es
- # 给用户设置密码
- passwd 123456
- # 切换到es用户下
- su es
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7.这时切换到es用户下,又会报各种权限不足,加上权限就OK了- #./elasticsearch-env:行88: /etc/sysconfig/elasticsearch: 权限不够
- chown -R es /etc/sysconfig/elasticsearch
- #bin/elasticsearch-env: 第 96 行:cd: /etc/elasticsearch: 权限不够
- chown -R es /etc/elasticsearch
- #Exception in thread "main" java.nio.file.AccessDeniedException: /var/lib/elasticsearch
- #只要看到AccessDeniedException异常就给它权限
- chown -R es /var/lib/elasticsearch
- #Error opening log file '/var/log/elasticsearch/gc.log': Permission denied
- #将整个elasticsearch目录权限给它
- chown -R es /var/log/elasticsearch
- #另外将安装路径的权限给它,这里目前还没报错,不过报错是迟早的事
- chown -R es /usr/share/elasticsearch
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8.启动es- cd /usr/share/elasticsearch/bin
- ./elasticsearch
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9.测试
浏览器打开:http://ip:9200
如果开启了防火墙,需要开启9200端口,页面信息显示如下则启动成功- {
- "name" : "es-node1",
- "cluster_name" : "elasticsearch",
- "cluster_uuid" : "-IqD_alTS5SZ3xAtr2_qfQ",
- "version" : {
- "number" : "7.17.9",
- "build_flavor" : "default",
- "build_type" : "rpm",
- "build_hash" : "ef48222227ee6b9e70e502f0f0daa52435ee634d",
- "build_date" : "2023-01-31T05:34:43.305517834Z",
- "build_snapshot" : false,
- "lucene_version" : "8.11.1",
- "minimum_wire_compatibility_version" : "6.8.0",
- "minimum_index_compatibility_version" : "6.0.0-beta1"
- },
- "tagline" : "You Know, for Search"
- }
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来源:https://www.cnblogs.com/seanpan/p/17227269.html
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发表于 2023-3-17 18:09:14
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