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Elasticsearch在Centos 7上的安装与配置安装java环境 这里使用yum方式安装，前提是必须有网络 [Shell] 纯文本查看 复制代码 yum install java-1.8.0-openjdk
安装完成，查看java版本 [Shell] 纯文本查看 复制代码 [root@localhost ~]# java -version
openjdk version "1.8.0_151"
OpenJDK Runtime Environment (build 1.8.0_151-b12)
OpenJDK 64-Bit Server VM (build 25.151-b12, mixed mode)
安装 ElasticsearchElasticsearch的安装很简单，下载下来解压即可，这里使用wget下载，当然也可通过网页下载 https://www.elastic.co/downloads/elasticsearch ，再拷贝。 [Shell] 纯文本查看 复制代码 wget [url]https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-5.6.3.tar.gz[/url]
解压到/usr/local/ [Shell] 纯文本查看 复制代码 tar -zxvf elasticsearch-5.6.3.tar.gz -C /usr/local/
运行ElasticsearchElasticsearch 要求不能使用超级用户root运行，所以我们建立一个testuser账号 [Shell] 纯文本查看 复制代码 # 创建testuser账户
adduser testuser
# 修改密码
passwd testuser
然后，给testuser用户elasticsearch目录的授权。 [Shell] 纯文本查看 复制代码 chown -R testuser /usr/local/elasticsearch-5.6.3/
切换至elasticsearch目录，并以testuser用户运行 [Shell] 纯文本查看 复制代码 cd /usr/local/elasticsearch-5.6.3/
su testuser
运行elasticsearch，如果想后台运行后面加 -d [Shell] 纯文本查看 复制代码 [testuser@localhost elasticsearch-5.6.3]$ ./bin/elasticsearch
[2017-10-31T16:07:09,445][INFO ][o.e.n.Node ] [] initializing ...
[2017-10-31T16:07:09,662][INFO ][o.e.e.NodeEnvironment ] [oDFU6c3] using [1] data paths, mounts [[/ (rootfs)]], net usable_space [45.4gb], net total_space [49.9gb], spins? [unknown], types [rootfs]
[2017-10-31T16:07:09,662][INFO ][o.e.e.NodeEnvironment ] [oDFU6c3] heap size [1.9gb], compressed ordinary object pointers [true]
[2017-10-31T16:07:09,663][INFO ][o.e.n.Node ] node name [oDFU6c3] derived from node ID [oDFU6c3UT6ORC2p0CKBeLA]; set [node.name] to override
[2017-10-31T16:07:09,663][INFO ][o.e.n.Node ] version[5.6.3], pid[11484], build[1a2f265/2017-10-06T20:33:39.012Z], OS[Linux/3.10.0-514.26.2.el7.x86_64/amd64], JVM[Oracle Corporation/OpenJDK 64-Bit Server VM/1.8.0_151/25.151-b12]
[2017-10-31T16:07:09,664][INFO ][o.e.n.Node ] JVM arguments [-Xms2g, -Xmx2g, -XX:+UseConcMarkSweepGC, -XX:CMSInitiatingOccupancyFraction=75, -XX:+UseCMSInitiatingOccupancyOnly, -XX:+AlwaysPreTouch, -Xss1m, -Djava.awt.headless=true, -Dfile.encoding=UTF-8, -Djna.nosys=true, -Djdk.io.permissionsUseCanonicalPath=true, -Dio.netty.noUnsafe=true, -Dio.netty.noKeySetOptimization=true, -Dio.netty.recycler.maxCapacityPerThread=0, -Dlog4j.shutdownHookEnabled=false, -Dlog4j2.disable.jmx=true, -Dlog4j.skipJansi=true, -XX:+HeapDumpOnOutOfMemoryError, -Des.path.home=/usr/local/elasticsearch-5.6.3]
[2017-10-31T16:07:10,723][INFO ][o.e.p.PluginsService ] [oDFU6c3] loaded module [aggs-matrix-stats]
[2017-10-31T16:07:10,724][INFO ][o.e.p.PluginsService ] [oDFU6c3] loaded module [ingest-common]
[2017-10-31T16:07:10,724][INFO ][o.e.p.PluginsService ] [oDFU6c3] loaded module [lang-expression]
[2017-10-31T16:07:10,724][INFO ][o.e.p.PluginsService ] [oDFU6c3] loaded module [lang-groovy]
[2017-10-31T16:07:10,724][INFO ][o.e.p.PluginsService ] [oDFU6c3] loaded module [lang-mustache]
[2017-10-31T16:07:10,724][INFO ][o.e.p.PluginsService ] [oDFU6c3] loaded module [lang-painless]
[2017-10-31T16:07:10,724][INFO ][o.e.p.PluginsService ] [oDFU6c3] loaded module [parent-join]
[2017-10-31T16:07:10,724][INFO ][o.e.p.PluginsService ] [oDFU6c3] loaded module [percolator]
[2017-10-31T16:07:10,724][INFO ][o.e.p.PluginsService ] [oDFU6c3] loaded module [reindex]
[2017-10-31T16:07:10,724][INFO ][o.e.p.PluginsService ] [oDFU6c3] loaded module [transport-netty3]
[2017-10-31T16:07:10,724][INFO ][o.e.p.PluginsService ] [oDFU6c3] loaded module [transport-netty4]
[2017-10-31T16:07:10,725][INFO ][o.e.p.PluginsService ] [oDFU6c3] no plugins loaded
[2017-10-31T16:07:12,622][INFO ][o.e.d.DiscoveryModule ] [oDFU6c3] using discovery type [zen]
[2017-10-31T16:07:13,133][INFO ][o.e.n.Node ] initialized
[2017-10-31T16:07:13,133][INFO ][o.e.n.Node ] [oDFU6c3] starting ...
[2017-10-31T16:07:13,306][INFO ][o.e.t.TransportService ] [oDFU6c3] publish_address {127.0.0.1:9300}, bound_addresses {[::1]:9300}, {127.0.0.1:9300}
[2017-10-31T16:07:13,318][WARN ][o.e.b.BootstrapChecks ] [oDFU6c3] max file descriptors [65535] for elasticsearch process is too low, increase to at least [65536]
[2017-10-31T16:07:16,372][INFO ][o.e.c.s.ClusterService ] [oDFU6c3] new_master {oDFU6c3}{oDFU6c3UT6ORC2p0CKBeLA}{olaY-n5LTpCUpzrhU3joVw}{127.0.0.1}{127.0.0.1:9300}, reason: zen-disco-elected-as-master ([0] nodes joined)
[2017-10-31T16:07:16,398][INFO ][o.e.h.n.Netty4HttpServerTransport] [oDFU6c3] publish_address {127.0.0.1:9200}, bound_addresses {[::1]:9200}, {127.0.0.1:9200}
[2017-10-31T16:07:16,399][INFO ][o.e.n.Node ] [oDFU6c3] started
[2017-10-31T16:07:17,242][INFO ][o.e.g.GatewayService ] [oDFU6c3] recovered [0] indices into cluster_state
如果没有没有error，就运行成功啦 新开一个终端，用curl访问 [Shell] 纯文本查看 复制代码 [root@localhost ~]# curl 'http://localhost:9200/?pretty' [/size][/font][/color][/p]{
"name" : "oDFU6c3",
"cluster_name" : "elasticsearch",
"cluster_uuid" : "v2mGsAuuTsqIzzm8CZcW5w",
"version" : {
"number" : "5.6.3",
"build_hash" : "1a2f265",
"build_date" : "2017-10-06T20:33:39.012Z",
"build_snapshot" : false,
"lucene_version" : "6.6.1"
},
"tagline" : "You Know, for Search"
}
其他配置elasticsearch指定ip地址 编辑es的配置文件 [Shell] 纯文本查看 复制代码 [testuser@localhost elasticsearch-5.6.3]$ vim ./config/elasticsearch.yml
找到network.host: 一行，去除#号，修改为： [Shell] 纯文本查看 复制代码 network.host: [_local_, 172.30.6.1]
172.30.6.1为指定的ip地址，可以是多个。 这样就可以在浏览器里打开啦 http://172.30.6.1:9200/?pretty 原文 https://www.tech1024.cn/original/2962.html
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