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

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

  1. 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
    

  2. 开机自启动

    /bin/systemctl daemon-reload
    /bin/systemctl enable elasticsearch.service
    
  3. 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
    
  4. 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
    
  5. 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/
    
  6. 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 $?
    

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