1. 實驗環境
1.1 三臺服務器的ip地址為：
192.168.153.135
192.168.153.136
192.168.153.137
1.2 服務器作業系統均為centos7
1.3 三臺服務器均關閉防火墻和selinux
關閉防火墻命令
systemctl stop firewalld
關閉selinux命令
setenforce 0
1.4 三臺服務器均做同步時間操作
1.4.1 安裝ntpdate命令
yum -y install ntpdate
1.4.2 同步時間操作
ntpdate ntp.aliyun.com
2. 三臺服務器均安裝jdk
2.1 安裝jdk
rpm -ivh jdk-8u131-linux-x64_.rpm
2.2 驗證jdk安裝成功
[root@localhost elk]# java -version
java version "1.8.0_131"
Java(TM) SE Runtime Environment (build 1.8.0_131-b11)
Java HotSpot(TM) 64-Bit Server VM (build 25.131-b11, mixed mode)
3. 三臺服務器均安裝elasticsearch
[root@localhost ~]# rpm -ivh elasticsearch-7.3.2-x86_64.rpm
warning: elasticsearch-7.3.2-x86_64.rpm: Header V4 RSA/SHA512 Signature, key ID d88e42b4: NOKEY
Preparing... ################################# [100%]
Updating / installing...
elasticsearch-0:7.3.2-1 ################################# [100%]
### NOT starting on installation, please execute the following statements to configure elasticsearch service to start automatically using systemd
sudo systemctl daemon-reload
sudo systemctl enable elasticsearch.service
### You can start elasticsearch service by executing
sudo systemctl start elasticsearch.service
Created elasticsearch keystore in /etc/elasticsearch
4. 修改三臺服務器elasticsearch的組態檔
4.1 修改組態檔的操作
vim /etc/elasticsearch/elasticsearch.yml
4.2 192.168.153.135主機的配置修改如下：
17 cluster.name: my-application
23 node.name: node-1
55 network.host: 0.0.0.0
59 http.port: 9200
68 discovery.seed_hosts: ["192.168.153.135", "192.168.153.136","192.168.153.137"]
72 cluster.initial_master_nodes: ["node-1", "node-2","node-3"]
4.3 192.168.153.136主機的配置修改如下：
17 cluster.name: my-application
23 node.name: node-2
55 network.host: 0.0.0.0
59 http.port: 9200
68 discovery.seed_hosts: ["192.168.153.135", "192.168.153.136","192.168.153.137"]
72 cluster.initial_master_nodes: ["node-1", "node-2","node-3"]
4.4 192.168.153.137主機的配置修改如下：
17 cluster.name: my-application
23 node.name: node-3
55 network.host: 0.0.0.0
59 http.port: 9200
68 discovery.seed_hosts: ["192.168.153.135", "192.168.153.136","192.168.153.137"]
72 cluster.initial_master_nodes: ["node-1", "node-2","node-3"]
5. 三臺服務器均開啟elasticsearch服務
systemctl start elasticsearch
6. 驗證集群狀態
6.1 在瀏覽器輸入 :
192.168.153.135:9200/_cluster/health?pretty 驗證
IP地址可以為三臺服務器中任意一臺服務器的地址
結果如圖所示：
6.2 也可以輸入：192.168.153.135:9200/_cat/nodes 驗證
6.3 也可以在其中一臺服務器上安裝kibana監控集群狀態
6.3.1 安裝
rpm -ivh kibana-7.3.2-x86_64.rpm
6.3.2 修改kibana組態檔
vim /etc/kibana/kibana.yml
組態檔修改內容如下：
7 server.host: "0.0.0.0"
28 elasticsearch.hosts: ["http://0.0.0.0:9200"]
114 i18n.locale: "zh-CN"
修改完成之后保存退出
6.3.3 開啟kibana服務
systemctl start kibana
6.3.4 瀏覽器輸入 IP:5601
成功訪問kibana主頁
監控elasticsearch設定
1）
2）成功查看到elasticsearch集群
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