elasticsearch6.8+ik分词yum安装

安装elasticsearch

elasticsearch6.8官方文档：https://www.elastic.co/guide/en/elasticsearch/reference/6.8/getting-started-install.html
yum 方式文档：https://www.elastic.co/guide/en/elasticsearch/reference/6.8/rpm.html
https://www.elastic.co/guide/en/elasticsearch/reference/7.10/rpm.html
1. 安装 jdk1.8.0

参考链接： http://openjdk.java.net/install/index.html

   # 安装jdk
   su -c "yum install java-1.8.0-openjdk"
   yum install java-1.8.0-openjdk-devel
   # 查看安装版本
   java -version

安装elasticsearch

rpm --import https://artifacts.elastic.co/GPG-KEY-elasticsearch
vim /etc/yum.repos.d/elasticsearch.repo
# 写入
[elasticsearch-6.x]
name=Elasticsearch repository for 6.x packages
baseurl=https://artifacts.elastic.co/packages/6.x/yum
gpgcheck=1
gpgkey=https://artifacts.elastic.co/GPG-KEY-elasticsearch
enabled=1
autorefresh=1
type=rpm-md
# 安装
yum install elasticsearch
yum install --enablerepo=elasticsearch elasticsearch

[elasticsearch]
name=Elasticsearch repository for 7.x packages
baseurl=https://artifacts.elastic.co/packages/7.x/yum
gpgcheck=1
gpgkey=https://artifacts.elastic.co/GPG-KEY-elasticsearch
enabled=0
autorefresh=1
type=rpm-md

开机自启动

/bin/systemctl daemon-reload
/bin/systemctl enable elasticsearch.service

修改配置

vim /etc/elasticsearch/elasticsearch.yml
# 修改配置
network.host: 0.0.0.0
http.port: 9200
# 保存退出，重启
service elasticsearch restart
# 或
systemctl restart elasticsearch.service

安装ik分词插件

elaticsearch6.8 ik插件地址：https://github.com/medcl/elasticsearch-analysis-ik/releases/tag/v6.8.0

cd /usr/share/elasticsearch
# 安装插件
./bin/elasticsearch-plugin install https://github.com/medcl/elasticsearch-analysis-ik/releases/download/v6.8.0/elasticsearch-analysis-ik-6.8.0.zip
# 查看安装
ll plugins/
# 重启elasticsearch
systemctl restart elasticsearch.service

安装elasticsearch（非yum安装参考，未完成）

参考链接：https://www.elastic.co/cn/downloads/past-releases

本次安装的版本： https://www.elastic.co/cn/downloads/past-releases/elasticsearch-6-8-0

# 下载指定版本的elasticsearch
wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.8.0.tar.gz
# 解压
tar zxvf elasticsearch-6.8.0.tar.gz
# 移动
mv elasticsearch-6.8.0 /usr/local/

官方服务脚本参考

#!/bin/bash
#
# elasticsearch <summary>
#
# chkconfig:   2345 80 20
# description: Starts and stops a single elasticsearch instance on this system
#

### BEGIN INIT INFO
# Provides: Elasticsearch
# Required-Start: $network $named
# Required-Stop: $network $named
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: This service manages the elasticsearch daemon
# Description: Elasticsearch is a very scalable, schema-free and high-performance search solution supporting multi-tenancy and near realtime search.
### END INIT INFO

#!/bin/bash
#
# elasticsearch <summary>
#
# chkconfig:   2345 80 20
# description: Starts and stops a single elasticsearch instance on this system
#

### BEGIN INIT INFO
# Provides: Elasticsearch
# Required-Start: $network $named
# Required-Stop: $network $named
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: This service manages the elasticsearch daemon
# Description: Elasticsearch is a very scalable, schema-free and high-performance search solution supporting multi-tenancy and near realtime search.
### END INIT INFO

#
# init.d / servicectl compatibility (openSUSE)
#
if [ -f /etc/rc.status ]; then
   . /etc/rc.status
   rc_reset
fi

#
# Source function library.
#
if [ -f /etc/rc.d/init.d/functions ]; then
   . /etc/rc.d/init.d/functions
fi

# Sets the default values for elasticsearch variables used in this script
ES_HOME="/usr/share/elasticsearch"
MAX_OPEN_FILES=65535
MAX_MAP_COUNT=262144
ES_PATH_CONF="/etc/elasticsearch"

PID_DIR="/var/run/elasticsearch"

# Source the default env file
ES_ENV_FILE="/etc/sysconfig/elasticsearch"
if [ -f "$ES_ENV_FILE" ]; then
   . "$ES_ENV_FILE"
fi

# ES_USER and ES_GROUP settings were removed
if [ ! -z "$ES_USER" ] || [ ! -z "$ES_GROUP" ]; then
   echo "ES_USER and ES_GROUP settings are no longer supported. To run as a custom user/group use the archive distribution of Elasticsearch."
   exit 1
fi

exec="$ES_HOME/bin/elasticsearch"
prog="elasticsearch"
pidfile="$PID_DIR/${prog}.pid"

export ES_JAVA_OPTS
export JAVA_HOME
export ES_PATH_CONF
export ES_STARTUP_SLEEP_TIME

lockfile=/var/lock/subsys/$prog

if [ ! -x "$exec" ]; then
   echo "The elasticsearch startup script does not exists or it is not executable, tried: $exec"
   exit 1
fi

checkJava() {
   if [ -x "$JAVA_HOME/bin/java" ]; then
       JAVA="$JAVA_HOME/bin/java"
   else
       JAVA=`which java`
   fi

   if [ ! -x "$JAVA" ]; then
       echo "Could not find any executable java binary. Please install java in your PATH or set JAVA_HOME"
       exit 1
   fi
}

start() {
   checkJava
   [ -x $exec ] || exit 5

   if [ -n "$MAX_OPEN_FILES" ]; then
       ulimit -n $MAX_OPEN_FILES
   fi
   if [ -n "$MAX_LOCKED_MEMORY" ]; then
       ulimit -l $MAX_LOCKED_MEMORY
   fi
   if [ -n "$MAX_MAP_COUNT" -a -f /proc/sys/vm/max_map_count ] && [ "$MAX_MAP_COUNT" -gt $(cat /proc/sys/vm/max_map_count) ]; then
       sysctl -q -w vm.max_map_count=$MAX_MAP_COUNT
   fi

   # Ensure that the PID_DIR exists (it is cleaned at OS startup time)
   if [ -n "$PID_DIR" ] && [ ! -e "$PID_DIR" ]; then
       mkdir -p "$PID_DIR" && chown elasticsearch:elasticsearch "$PID_DIR"
   fi
   if [ -n "$pidfile" ] && [ ! -e "$pidfile" ]; then
       touch "$pidfile" && chown elasticsearch:elasticsearch "$pidfile"
   fi

   cd $ES_HOME
   echo -n $"Starting $prog: "
   # if not running, start it up here, usually something like "daemon $exec"
   daemon --user elasticsearch --pidfile $pidfile $exec -p $pidfile -d
   retval=$?
   echo
   [ $retval -eq 0 ] && touch $lockfile
   return $retval
}

stop() {
   echo -n $"Stopping $prog: "
   # stop it here, often "killproc $prog"
   killproc -p $pidfile -d 86400 $prog
   retval=$?
   echo
   [ $retval -eq 0 ] && rm -f $lockfile
   return $retval
}

restart() {
   stop
   start
}

reload() {
   restart
}

force_reload() {
   restart
}

rh_status() {
   # run checks to determine if the service is running or use generic status
   status -p $pidfile $prog
}

rh_status_q() {
   rh_status >/dev/null 2>&1
}


case "$1" in
   start)
       rh_status_q && exit 0
       $1
       ;;
   stop)
       rh_status_q || exit 0
       $1
       ;;
   restart)
       $1
       ;;
   reload)
       rh_status_q || exit 7
       $1
       ;;
   force-reload)
       force_reload
       ;;
   status)
       rh_status
       ;;
   condrestart|try-restart)
       rh_status_q || exit 0
       restart
       ;;
   *)
       echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload}"
       exit 2
esac
exit $?

SR.李

mayday,mayday,no problem!

elasticsearch6.8+ik分词yum安装

安装elasticsearch