Debian / Ubuntu 安装 Elasticsearch 7.x 版本

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Debian / Ubuntu 安装 Elasticsearch 7.x 版本

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官方的安装指南：https://www.elastic.co/guide/en/elasticsearch/reference/current/deb.html

本文推荐使用apt-fast来代替apt-get来进行安装，安装期间下载速度将会有所提升，apt-fast的使用方法与apt-get相同，apt-fast的安装方法：https://www.quyu.net/info/1613.html

首先检查JAVA环境

Java是在任何系统上运行Elasticsearch的必要部件，通过运行以下命令检查您的系统是否安装Java，此命令将会显示当前的Java版本。

java -version

1	java -version

还果你的系统还没有安装java，使用这些教程在Debian 10和Debian 9上安装Java 。

安装Elasticsearch

接下来按照提示进行以下操作：

wget -qO - https://artifacts.elastic.co/GPG-KEY-elasticsearch | sudo apt-key add -

1	wget -qO - https://artifacts.elastic.co/GPG-KEY-elasticsearch \| sudo apt-key add -

在开始之前，您可能需要在Debian上安装APT传输HTTPS包：

sudo apt-get install apt-transport-https

1	sudo apt-get install apt-transport-https

然后添加elastic的官方源：

echo "deb https://artifacts.elastic.co/packages/7.x/apt stable main" | sudo tee -a /etc/apt/sources.list.d/elastic-7.x.list

1	echo "deb https://artifacts.elastic.co/packages/7.x/apt stable main" \| sudo tee -a /etc/apt/sources.list.d/elastic-7.x.list

开始安装：

sudo apt-get update && sudo apt-get install elasticsearch

1	sudo apt-get update && sudo apt-get install elasticsearch

sudo /bin/systemctl daemon-reload

sudo /bin/systemctl enable elasticsearch.service

1	sudo /bin/systemctl enable elasticsearch.service

启动服务

sudo systemctl start elasticsearch.service

1	sudo systemctl start elasticsearch.service

停止服务

sudo systemctl stop elasticsearch.service

1	sudo systemctl stop elasticsearch.service

输入以下命令查看服务是否启动成功

sudo systemctl status elasticsearch.service

1	sudo systemctl status elasticsearch.service

如果找不到JAVA，编辑
/usr/share/elasticsearch/bin/elasticsearch-env
加JAVA_HOME

安装IK分词器

sudo /usr/share/elasticsearch/bin/elasticsearch-plugin install https://github.com/medcl/elasticsearch-analysis-ik/releases/download/v7.1.1/elasticsearch-analysis-ik-7.1.1.zip

1	sudo /usr/share/elasticsearch/bin/elasticsearch-plugin install https://github.com/medcl/elasticsearch-analysis-ik/releases/download/v7.1.1/elasticsearch-analysis-ik-7.1.1.zip