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安装elasticsearch

rpm包安装
下载地址
https://mirrors.aliyun.com/elasticstack/7.x/yum/7.10.2/

生成证书

#1.生成CA证书
# 生成CA证书,执行命令后,系统还会提示你输入密码,可以直接留空
cd /usr/share/elasticsearch/bin
./elasticsearch-certutil ca#会在/usr/share/elasticsearch/下生成一个elastic-stack-ca.p12文件
ls -l /usr/share/elasticsearch/
-rw-------. 1 elastic elastic 2527 May 21 14:29 elastic-stack-ca.p12#2.根据elastic-stack-ca.p12文件 生成elastic-certificates.p12
# 生成证书和私钥,系统还会提示你输入密码，你可以输入证书和密钥的密码，也可以留空
cd /usr/share/elasticsearch/
./bin/elasticsearch-certutil cert --ca elastic-stack-ca.p12

把生成的证书放到 /etc/elasticsearch/目录下，并授权

不加认证，启动集群模式

egrep -v “#|^$” /etc/elasticsearch/elasticsearch.yml

cluster.name: es
node.name: es1
path.data: /app/es/data
path.logs: /app/es/log
network.host: 0.0.0.0
node.master: true
node.data: true
discovery.seed_hosts: ["172.17.13.10:9300", "172.17.13.11:9300", "172.17.13.12:9300"]
cluster.initial_master_nodes: ["es1", "es2", "es3"]
discovery.zen.minimum_master_nodes: 2
http.cors.enabled: true
http.cors.allow-origin: "*"
#xpack.security.enabled: true
#xpack.security.transport.ssl.enabled: true
#xpack.security.transport.ssl.verification_mode: certificate
#xpack.security.transport.ssl.keystore.path: elastic-certificates.p12
#xpack.security.transport.ssl.truststore.path: elastic-stack-ca.p12
http.cors.allow-headers: Authorization,X-Requested-With,Content-Length,Content-Type

启动集群，查看状态

curl -XGET  "http://127.0.0.1:9200/_cat/nodes"

添加认证和证书，重启集群

egrep -v “#|^$” /etc/elasticsearch/elasticsearch.yml

cluster.name: es
node.name: es1
path.data: /app/es/data
path.logs: /app/es/log
network.host: 0.0.0.0
node.master: true
node.data: true
discovery.seed_hosts: ["172.17.13.10:9300", "172.17.13.11:9300", "172.17.13.12:9300"]
#cluster.initial_master_nodes: ["es1", "es2", "es3"]
discovery.zen.minimum_master_nodes: 2
http.cors.enabled: true
http.cors.allow-origin: "*"
xpack.security.enabled: true
xpack.security.transport.ssl.enabled: true
xpack.security.transport.ssl.verification_mode: certificate
xpack.security.transport.ssl.keystore.path: elastic-certificates.p12
xpack.security.transport.ssl.truststore.path: elastic-stack-ca.p12
http.cors.allow-headers: Authorization,X-Requested-With,Content-Length,Content-Type

设置口令

./bin/elasticsearch-setup-passwords interactive

查看集群信息

curl -XGET -u elastic:123456 "http://127.0.0.1:9200/_cluster/health?pretty"
curl -XGET -u elastic:123456 "http://127.0.0.1:9200/_cat/nodes"

kibana

vim /etc/kibana/kibana.yml

server.port: 5601
server.host: 0.0.0.0
elasticsearch.hosts: ["http://192.168.0.11:9200","http://192.168.0.12:9200","http://192.168.0.13:9200"]
xpack.security.enabled: true
kibana.index: ".kibana"
i18n.locale: "zh-CN"
elasticsearch.username: "elastic"
elasticsearch.password: "123456"