1. 환경
Ubuntu 18.10 liveserver
2. ElasticSearch 매뉴얼 페이지 참조
https://www.elastic.co/guide/kr/elasticsearch/reference/current/gs-installation.html
3. Java 11 설치
참조 : https://tecadmin.net/install-oracle-java-11-ubuntu-18-04-bionic/
> sudo apt update
> sudo apt upgrade
> sudo add-apt-repository ppa:linuxuprising/java
> sudo apt update
> sudo apt install oracle-java11-installer
> sudo apt install oracle-java11-set-default
> java -version
4. Elastic Search 설치
> mkdir download
> cd download
> curl -L -O https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-5.4.3.tar.gz
# 혹은 wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-7.0.0-linux-x86_64.tar.gz
> cd /usr/local
> tar zxvf ~/download/elasticsearch-5.4.3.tar.gz
# tar zxvf ~/download/elasticsearch-7.0.0-linux-x86_64.tar.gz
> grep vm.max_map_count /etc/sysctl.conf
> sudo sysctl -w vm.max_map_count=262144
# 각종 옵션 참조 https://okayjava.tistory.com/30 참조
> cd elasticsearch-5.4.3/config
# 참조 : https://www.elastic.co/guide/en/elasticsearch/reference/2.3/setup-configuration.html
> vi config/elasticsearch.yml
# 외부에서 접근가능하게 하려면 elastic 5.4.3 에서는 network.host: 0.0.0.0 으로 수정해야함. 7 에서는 모르겠음.
# 보통은 kibana 통해서 접근하니 # 으로 막아놓채로 elasticsearch 실행할 것.
> cd elasticsearch-5.4.3/bin
> ./elasticsearch # no root account, service elasticsearch restart
# 클러스트/노드명 설정시 : ./elasticsearch -Ecluster.name=my_cluster_name -Enode.name=my_node_name
4.1
외부에서 접근 가능하면 Chrome> http://172.16.174.148:9200/ 확인.
아니면 localhost:9200으로만 접근 가능.
"name" : "0l3cD0_", "cluster_name" : "elasticsearch", "cluster_uuid" : "YFlzj7AiQcuZm73LyWIujQ", "version" : { "number" : "5.4.3", "build_hash" : "eed30a8", "build_date" : "2017-06-22T00:34:03.743Z", "build_snapshot" : false, "lucene_version" : "6.5.1" }, "tagline" : "You Know, for Search" }
5. curl 로 기본 상태 확인. ( _cat 은 Elastic Cluster 체크 명령 )
> curl http://127.0.0.1:9200/_cat/health?v
샘플결과>
poch timestamp cluster status node.total node.data shards pri relo init unassign pending_tasks max_task_wait_time active_shards_percent
1556456126 12:55:26 elasticsearch green 1 1 0 0 0 0 0 0 - 100.0%