linux下安装es+kibana

1、下载安装包

##下载es安装包##
wget https://repo.huaweicloud.com/elasticsearch/7.9.3/elasticsearch-7.9.3-linux-x86_64.tar.gz

##下载kibana安装包##
wget https://artifacts.elastic.co/downloads/kibana/kibana-7.9.3-linux-x86_64.tar.gz

2、安装elasticsearch

• 解压安装包

  tar -zxvf elasticsearch-7.9.3-linux-x86_64.tar.gz
  mv elasticsearch-7.9.3 elasticsearch
  

• 创建elasticsearch用户

  useradd es
  chown -R es:es elasticsearch
  

• 启动elasticsearch

  cd elasticsearch
  su es
  ./bin/elasticsearch -d
  

• 修改配置文件

  vim /config/elasticsearch.yml
  

  ##配置文件内容如下##
  cluster.name: es-app
  node.name: node-1
  network.host: 192.168.48.48
  http.port: 9200
  discovery.seed_hosts: ["192.168.48.48"]
  cluster.initial_master_nodes: ["node-1"]
  

3、启动elasticsearch

./bin/elasticsearch -d

4、查看是否启动成功

浏览器打开http://192.168.48.48:9200/

显示

{
  "name" : "node-1",
  "cluster_name" : "es-app",
  "cluster_uuid" : "XouSqarsT8a8nZYUK90Bxw",
  "version" : {
    "number" : "7.9.3",
    "build_flavor" : "default",
    "build_type" : "tar",
    "build_hash" : "c4138e51121ef06a6404866cddc601906fe5c868",
    "build_date" : "2020-10-16T10:36:16.141335Z",
    "build_snapshot" : false,
    "lucene_version" : "8.6.2",
    "minimum_wire_compatibility_version" : "6.8.0",
    "minimum_index_compatibility_version" : "6.0.0-beta1"
  },
  "tagline" : "You Know, for Search"
}

5、安装和启动kibana

• 解压安装包

  tar -zxvf kibana-7.9.3-linux-x86_64.tar.gz
  
  mv kibana-7.9.3-linux-x86_64 kibana
  
  chown -R es:es kibana
  

• 修改配置文件

  cd kibana
  vim ./config/kibana.yml
  
  ##文件内容##
  server.port: 5601
  server.host: "192.168.48.48"
  elasticsearch.hosts: ["http://192.168.48.48:9200"]
  

• 启动kibana

  su es
  
  ##后台启动kibana##
  nohup ./bin/kibana > kibana.log &
  

• 浏览器打开kibana

  http://192.168.48.48:5601
  

6、遇到问题

• elasticsearch启动报错

  ....
  [1]: max file descriptors [4096] for elasticsearch process is too low, increase to at least [65535]
  [2]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
  
  
  #######解决方法#######
  su root
  vi /etc/security/limits.conf
  
  ###添加以下内容，其中es为用户名###
  es hard nofile 65535
  es soft nofile 65535
  
  ##修改文件##
  vi /etc/sysctl.conf 
  
  ##添加下面内容##
  vm.max_map_count = 262144
  
  ##查询配置##
  sysctl -p
  
  ##再切换用户，重新启动es###
  su es