elasticsearch安装
导入秘钥
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| rpm --import https://artifacts.elastic.co/GPG-KEY-elasticsearch
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下载rpm包
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| wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-7.1.1-x86_64.rpm
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安装
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| rpm -ivh elasticsearch-7.1.1-x86_64.rpm
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这里会自动在/usr/lib/systemd/system中生成一个开机自动启动的elasticsearch.service
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| # 启动
systemctl start elasticsearch.service
# 开机自启
systemctl enable elasticsearch.service
# 查看状态
systemctl status elasticsearch.service
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错误
启动报错： max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
解决方法：
在/etc/sysctl.conf文件最后添加一行 vm.max_map_count=655360 添加完毕之后，执行命令：
配置调整
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network.host: 0.0.0.0
discovery.seed_hosts: ["0.0.0.0"]
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验证
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| curl --location --request GET '192.168.1.220:9200?pretty'
{
"name": "oeTRcb8",
"cluster_name": "elasticsearch",
"cluster_uuid": "HWMo_L0QQBC2I6SKt3FWNQ",
"version": {
"number": "6.8.23",
"build_flavor": "default",
"build_type": "rpm",
"build_hash": "4f67856",
"build_date": "2022-01-06T21:30:50.087716Z",
"build_snapshot": false,
"lucene_version": "7.7.3",
"minimum_wire_compatibility_version": "5.6.0",
"minimum_index_compatibility_version": "5.0.0"
},
"tagline": "You Know, for Search"
}
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