使用Elasticsearch

概述

Elasticsearch是目前最强大、最流行的全文搜索引擎。但在Ubuntu 20.04下, 实测Elasticsearch占用内存为9GB,因此安装前请谨慎考虑。推荐使用Meilisearch

安装

1.0> 导入 Elasticsearch PGP 密钥,用于对所有软件包进行签名

wget -qO - https://artifacts.elastic.co/GPG-KEY-elasticsearch | sudo gpg --dearmor -o /usr/share/keyrings/elasticsearch-keyring.gpg

2.0> 安装必备软件

sudo apt-get install apt-transport-https

3.0> 保存存储库

echo "deb [signed-by=/usr/share/keyrings/elasticsearch-keyring.gpg] https://artifacts.elastic.co/packages/8.x/apt stable main" | sudo tee /etc/apt/sources.list.d/elastic-8.x.list

4.0> 安装 Elasticsearch Debian

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

获取授权密码

如下图所示,安装完成后会自动输出授权密码

相关命令

## 设置开机自启
sudo /bin/systemctl daemon-reload
sudo /bin/systemctl enable elasticsearch.service

## 启动和停止
sudo systemctl start elasticsearch.service
sudo systemctl stop elasticsearch.service


详见官网:https://www.elastic.co/guide/en/elasticsearch/reference/8.14/deb.html

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