centos7.5安装elasticsearch7

/usr/local下上传包

elasticsearch-7.3.0-linux-x86_64.tar

tar -zxvf xxxx

mv elasticsearch-7.3.0 elasticsearch

useradd  es

passwd es 

chown -R  es elasticsearch-7.3.0

vim config/elasticsearch.yml

cluster.name: my-application
node.name: node-1
path.data: /usr/local/elasticsearch/data
path.logs: /usr/local/elasticsearch/logs
network.host: 0.0.0.0
http.port: 9200
cluster.initial_master_nodes: ["node-1", "node-2"]

vim jvm.options

 

 

vim /etc/security/limits.conf

*               soft    nofile          65536
*               hard    nofile          65536

*               soft    nproc           4096
*               hard    nproc           4096

vi /etc/sysctl.conf

vm.max_map_count=262144

sysctl -p

用es用户启动

chmod 777 config/elasticsearch.keystore

开机自启脚本

#!/bin/sh
#chkconfig: 2345 80 05
#description: elasticsearch

export JAVA_HOME=/env/jdk-11.0.11
export JRE_HOME=${JAVA_HOME}/jre
export PATH=PATH:${JAVA_HOME}/bin:$PATH
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib

case "$1" in
start)
su elk<<!
cd /usr/local/elasticsearch
./bin/elasticsearch -d
!
echo "elasticsearch startup"
;;
stop)
es_pid=`ps aux|grep elasticsearch | grep -v 'grep elasticsearch' | awk '{print $2}'`
kill -9 $es_pid
echo "elasticsearch stopped"
;;
restart)
es_pid=`ps aux|grep elasticsearch | grep -v 'grep elasticsearch' | awk '{print $2}'`
kill -9 $es_pid
echo "elasticsearch stopped"
su elk<<!
cd /usr/local/elasticsearch
./bin/elasticsearch -d
!
echo "elasticsearch startup"
;;
*)
echo "start|stop|restart"
;;
esac

 

exit $?

chmod +x elasticsearch

chkconfig --add elasticsearch