293 lines
13 KiB
Markdown
293 lines
13 KiB
Markdown
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因收到Google相关通知，网站将会择期关闭。相关通知内容
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03 安装：ElasticSearch和Kibana安装
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安装ElasticSearch
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ElasticSearch 是基于Java平台的，所以先要安装Java
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平台确认
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这里我准备了一台Centos7虚拟机, 为方便选择后续安装的版本，所以需要看下系统版本信息。
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[root@VM-0-14-centos ~]# uname -a
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Linux VM-0-14-centos 3.10.0-862.el7.x86_64 #1 SMP Fri Apr 20 16:44:24 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
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安装Java
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安装 Elasticsearch 之前，你需要先安装一个较新的版本的 Java，最好的选择是，你可以从 www.java.com 获得官方提供的最新版本的 Java。安装以后，确认是否安装成功：
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[root@VM-0-14-centos ~]# java --version
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openjdk 14.0.2 2020-07-14
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OpenJDK Runtime Environment 20.3 (slowdebug build 14.0.2+12)
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OpenJDK 64-Bit Server VM 20.3 (slowdebug build 14.0.2+12, mixed mode, sharing)
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下载ElasticSearch
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从这里 下载ElasticSearch
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比如可以通过curl下载
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[root@VM-0-14-centos opt]# curl -O https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-7.12.0-linux-x86_64.tar.gz
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% Total % Received % Xferd Average Speed Time Time Time Current
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Dload Upload Total Spent Left Speed
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解压
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[root@VM-0-14-centos opt]# tar zxvf /opt/elasticsearch-7.12.0-linux-x86_64.tar.gz
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...
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[root@VM-0-14-centos opt]# ll | grep elasticsearch
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drwxr-xr-x 9 root root 4096 Mar 18 14:21 elasticsearch-7.12.0
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-rw-r--r-- 1 root root 327497331 Apr 5 21:05 elasticsearch-7.12.0-linux-x86_64.tar.gz
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增加elasticSearch用户
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必须创建一个非root用户来运行ElasticSearch(ElasticSearch5及以上版本，基于安全考虑，强制规定不能以root身份运行。)
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如果你使用root用户来启动ElasticSearch，则会有如下错误信息：
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[root@VM-0-14-centos opt]# cd elasticsearch-7.12.0/
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[root@VM-0-14-centos elasticsearch-7.12.0]# ./bin/elasticsearch
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[2021-04-05T21:36:46,510][ERROR][o.e.b.ElasticsearchUncaughtExceptionHandler] [VM-0-14-centos] uncaught exception in thread [main]
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org.elasticsearch.bootstrap.StartupException: java.lang.RuntimeException: can not run elasticsearch as root
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at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:163) ~[elasticsearch-7.12.0.jar:7.12.0]
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at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:150) ~[elasticsearch-7.12.0.jar:7.12.0]
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at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:75) ~[elasticsearch-7.12.0.jar:7.12.0]
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at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:116) ~[elasticsearch-cli-7.12.0.jar:7.12.0]
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at org.elasticsearch.cli.Command.main(Command.java:79) ~[elasticsearch-cli-7.12.0.jar:7.12.0]
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at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:115) ~[elasticsearch-7.12.0.jar:7.12.0]
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at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:81) ~[elasticsearch-7.12.0.jar:7.12.0]
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Caused by: java.lang.RuntimeException: can not run elasticsearch as root
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at org.elasticsearch.bootstrap.Bootstrap.initializeNatives(Bootstrap.java:101) ~[elasticsearch-7.12.0.jar:7.12.0]
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at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:168) ~[elasticsearch-7.12.0.jar:7.12.0]
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at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:397) ~[elasticsearch-7.12.0.jar:7.12.0]
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at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:159) ~[elasticsearch-7.12.0.jar:7.12.0]
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... 6 more
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uncaught exception in thread [main]
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java.lang.RuntimeException: can not run elasticsearch as root
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at org.elasticsearch.bootstrap.Bootstrap.initializeNatives(Bootstrap.java:101)
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at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:168)
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at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:397)
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at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:159)
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at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:150)
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at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:75)
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at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:116)
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at org.elasticsearch.cli.Command.main(Command.java:79)
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at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:115)
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at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:81)
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For complete error details, refer to the log at /opt/elasticsearch-7.12.0/logs/elasticsearch.log
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2021-04-05 13:36:46,979269 UTC [8846] INFO Main.cc@106 Parent process died - ML controller exiting
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所以我们增加一个独立的elasticsearch用户来运行
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# 增加elasticsearch用户
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[root@VM-0-14-centos elasticsearch-7.12.0]# useradd elasticsearch
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[root@VM-0-14-centos elasticsearch-7.12.0]# passwd elasticsearch
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Changing password for user elasticsearch.
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New password:
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BAD PASSWORD: The password contains the user name in some form
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Retype new password:
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passwd: all authentication tokens updated successfully.
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# 修改目录权限至新增的elasticsearch用户
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[root@VM-0-14-centos elasticsearch-7.12.0]# chown -R elasticsearch /opt/elasticsearch-7.12.0
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# 增加data和log存放区，并赋予elasticsearch用户权限
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[root@VM-0-14-centos elasticsearch-7.12.0]# mkdir -p /data/es
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[root@VM-0-14-centos elasticsearch-7.12.0]# chown -R elasticsearch /data/es
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[root@VM-0-14-centos elasticsearch-7.12.0]# mkdir -p /var/log/es
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[root@VM-0-14-centos elasticsearch-7.12.0]# chown -R elasticsearch /var/log/es
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然后修改上述的data和log路径，vi /opt/elasticsearch-7.12.0/config/elasticsearch.yml
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# ----------------------------------- Paths ------------------------------------
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#
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# Path to directory where to store the data (separate multiple locations by comma):
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#
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path.data: /data/es
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#
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# Path to log files:
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#
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path.logs: /var/log/es
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修改Linux系统的限制配置
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修改系统中允许应用最多创建多少文件等的限制权限。Linux默认来说，一般限制应用最多创建的文件是65535个。但是ES至少需要65536的文件创建权限。
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修改系统中允许用户启动的进程开启多少个线程。默认的Linux限制root用户开启的进程可以开启任意数量的线程，其他用户开启的进程可以开启1024个线程。必须修改限制数为4096+。因为ES至少需要4096的线程池预备。ES在5.x版本之后，强制要求在linux中不能使用root用户启动ES进程。所以必须使用其他用户启动ES进程才可以。
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Linux低版本内核为线程分配的内存是128K。4.x版本的内核分配的内存更大。如果虚拟机的内存是1G，最多只能开启3000+个线程数。至少为虚拟机分配1.5G以上的内存。
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修改如下配置
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[root@VM-0-14-centos elasticsearch-7.12.0]# vi /etc/security/limits.conf
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elasticsearch soft nofile 65536
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elasticsearch hard nofile 65536
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elasticsearch soft nproc 4096
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elasticsearch hard nproc 4096
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启动ElasticSearch
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[root@VM-0-14-centos elasticsearch-7.12.0]# su elasticsearch
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[elasticsearch@VM-0-14-centos elasticsearch-7.12.0]$ ./bin/elasticsearch -d
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[2021-04-05T22:03:38,332][INFO ][o.e.n.Node ] [VM-0-14-centos] version[7.12.0], pid[13197], build[default/tar/78722783c38caa25a70982b5b042074cde5d3b3a/2021-03-18T06:17:15.410153305Z], OS[Linux/3.10.0-862.el7.x86_64/amd64], JVM[AdoptOpenJDK/OpenJDK 64-Bit Server VM/15.0.1/15.0.1+9]
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[2021-04-05T22:03:38,348][INFO ][o.e.n.Node ] [VM-0-14-centos] JVM home [/opt/elasticsearch-7.12.0/jdk], using bundled JDK [true]
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[2021-04-05T22:03:38,348][INFO ][o.e.n.Node ] [VM-0-14-centos] JVM arguments [-Xshare:auto, -Des.networkaddress.cache.ttl=60, -Des.networkaddress.cache.negative.ttl=10, -XX:+AlwaysPreTouch, -Xss1m, -Djava.awt.headless=true, -Dfile.encoding=UTF-8, -Djna.nosys=true, -XX:-OmitStackTraceInFastThrow, -XX:+ShowCodeDetailsInExceptionMessages, -Dio.netty.noUnsafe=true, -Dio.netty.noKeySetOptimization=true, -Dio.netty.recycler.maxCapacityPerThread=0, -Dio.netty.allocator.numDirectArenas=0, -Dlog4j.shutdownHookEnabled=false, -Dlog4j2.disable.jmx=true, -Djava.locale.providers=SPI,COMPAT, --add-opens=java.base/java.io=ALL-UNNAMED, -XX:+UseG1GC, -Djava.io.tmpdir=/tmp/elasticsearch-17264135248464897093, -XX:+HeapDumpOnOutOfMemoryError, -XX:HeapDumpPath=data, -XX:ErrorFile=logs/hs_err_pid%p.log, -Xlog:gc*,gc+age=trace,safepoint:file=logs/gc.log:utctime,pid,tags:filecount=32,filesize=64m, -Xms1894m, -Xmx1894m, -XX:MaxDirectMemorySize=993001472, -XX:G1HeapRegionSize=4m, -XX:InitiatingHeapOccupancyPercent=30, -XX:G1ReservePercent=15, -Des.path.home=/opt/elasticsearch-7.12.0, -Des.path.conf=/opt/elasticsearch-7.12.0/config, -Des.distribution.flavor=default, -Des.distribution.type=tar, -Des.bundled_jdk=true]
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查看安装是否成功
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[root@VM-0-14-centos ~]# netstat -ntlp | grep 9200
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tcp6 0 0 127.0.0.1:9200 :::* LISTEN 13549/java
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tcp6 0 0 ::1:9200 :::* LISTEN 13549/java
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[root@VM-0-14-centos ~]# curl 127.0.0.1:9200
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{
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"name" : "VM-0-14-centos",
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"cluster_name" : "elasticsearch",
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"cluster_uuid" : "ihttW8b2TfWSkwf_YgPH2Q",
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"version" : {
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"number" : "7.12.0",
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"build_flavor" : "default",
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"build_type" : "tar",
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"build_hash" : "78722783c38caa25a70982b5b042074cde5d3b3a",
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"build_date" : "2021-03-18T06:17:15.410153305Z",
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"build_snapshot" : false,
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"lucene_version" : "8.8.0",
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"minimum_wire_compatibility_version" : "6.8.0",
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"minimum_index_compatibility_version" : "6.0.0-beta1"
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},
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"tagline" : "You Know, for Search"
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}
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安装Kibana
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Kibana是界面化的查询数据的工具，下载时尽量下载与ElasicSearch一致的版本。
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下载Kibana
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从这里 下载Kibana
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解压
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[root@VM-0-14-centos opt]# tar -vxzf kibana-7.12.0-linux-x86_64.tar.gz
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使用elasticsearch用户权限
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[root@VM-0-14-centos opt]# chown -R elasticsearch /opt/kibana-7.12.0-linux-x86_64
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#配置Kibana的远程访问
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[root@VM-0-14-centos opt]# vi /opt/kibana-7.12.0-linux-x86_64/config/kibana.yml
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server.host: 0.0.0.0
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启动
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需要切换至elasticsearch用户
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[root@VM-0-14-centos opt]# su elasticsearch
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[elasticsearch@VM-0-14-centos opt]$ cd /opt/kibana-7.12.0-linux-x86_64/
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[elasticsearch@VM-0-14-centos kibana-7.12.0-linux-x86_64]$ ./bin/kibana
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log [22:30:22.185] [info][plugins-service] Plugin "osquery" is disabled.
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log [22:30:22.283] [warning][config][deprecation] Config key [monitoring.cluster_alerts.email_notifications.email_address] will be required for email notifications to work in 8.0."
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log [22:30:22.482] [info][plugins-system] Setting up [100] plugins: [taskManager,licensing,globalSearch,globalSearchProviders,banners,code,usageCollection,xpackLegacy,telemetryCollectionManager,telemetry,telemetryCollectionXpack,kibanaUsageCollection,securityOss,share,newsfeed,mapsLegacy,kibanaLegacy,translations,legacyExport,embeddable,uiActionsEnhanced,expressions,charts,esUiShared,bfetch,data,home,observability,console,consoleExtensions,apmOss,searchprofiler,painlessLab,grokdebugger,management,indexPatternManagement,advancedSettings,fileUpload,savedObjects,visualizations,visTypeVislib,visTypeVega,visTypeTimelion,features,licenseManagement,watcher,canvas,visTypeTagcloud,visTypeTable,visTypeMetric,visTypeMarkdown,tileMap,regionMap,visTypeXy,graph,timelion,dashboard,dashboardEnhanced,visualize,visTypeTimeseries,inputControlVis,discover,discoverEnhanced,savedObjectsManagement,spaces,security,savedObjectsTagging,maps,lens,reporting,lists,encryptedSavedObjects,dashboardMode,dataEnhanced,cloud,upgradeAssistant,snapshotRestore,fleet,indexManagement,rollup,remoteClusters,crossClusterReplication,indexLifecycleManagement,enterpriseSearch,beatsManagement,transform,ingestPipelines,eventLog,actions,alerts,triggersActionsUi,stackAlerts,ml,securitySolution,case,infra,monitoring,logstash,apm,uptime]
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log [22:30:22.483] [info][plugins][taskManager] TaskManager is identified by the Kibana UUID: xxxxxx
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...
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如果是后台启动：
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[elasticsearch@VM-0-14-centos kibana-7.12.0-linux-x86_64]$ nohup ./bin/kibana &
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界面访问
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可以导入simple data
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查看数据
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配置密码访问
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使用基本许可证时，默认情况下禁用Elasticsearch安全功能。由于我测试环境是放在公网上的，所以需要设置下密码访问。相关文档可以参考这里
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停止kibana和elasticsearch服务
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将xpack.security.enabled设置添加到ES_PATH_CONF/elasticsearch.yml文件并将值设置为true
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启动elasticsearch (./bin/elasticsearch -d)
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执行如下密码设置器，./bin/elasticsearch-setup-passwords interactive来设置各个组件的密码
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将elasticsearch.username设置添加到KIB_PATH_CONF/kibana.yml 文件并将值设置给elastic用户： elasticsearch.username: "elastic"
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创建kibana keystore, ./bin/kibana-keystore create
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在kibana keystore 中添加密码 ./bin/kibana-keystore add elasticsearch.password
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重启kibana 服务即可 nohup ./bin/kibana &
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然后就可以使用密码登录了：
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