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关于 elk 不用说，大家多多少少都听过，最近我搭建了一套用作收集日志，供大家参考：
一. 安装 elasticsearch,logstash,kibana
强烈建议安装去 es 的官网安装：今天是 2019.4.9，目前最新的版本是 6.7.1，三个都装 6.7.1 版本 (版本最好一致，否则会有各种疑难杂症)elasticsearch: https://www.elastic.co/downlo…logstash: https://www.elastic.co/cn/dow…kibana:https://www.elastic.co/cn/dow…
其中 es 的安装教程我在这篇文章里面已经写了：https://segmentfault.com/a/11…，下面介绍 logstash 和 kibana 的安装过程
1.logstash: 下载后
## 进入安装包所在目录，解压
tar -xf logstash-6.7.1.tar.gz
## 切换到 bin 目录
cd /logstash-6.7.1/bin
## 编辑或者创建一个启动的配置文件，到时候用这个配置文件启动
vim input_flter_output.conf
input {
file{
path=> “/crawler/jenkins/*.log” ## 生成日志的目录
type=> “cml” ## 索引的类型
start_position=> “beginning” ## 一开始就输入原来的日志信息
}
stdin{}
}
filter{
}
output{
elasticsearch{
action=> “index”
hosts=> “www.iamcrawler.cn:9500” ## 输出到 elasticsearch 上面
index=> “log-%{+yyyy.MM.dd}” ## 生成一个 log- 时间的索引
}
}
#最后保存退出
## 在 bin 目录下再编写一个启动 bat
vim run.bat
sh logstash -f input_flter_output.conf &
#最后保存退出
然后运行 run.bat 即可
[root@iamcrawler bin]# sh run.bat
## 正常会出现以下情况：
[root@iamcrawler bin]# Sending Logstash logs to /crawler/logstash/logstash-6.7.1/logs which is now configured via log4j2.properties
[2019-04-09T13:11:40,120][WARN][logstash.config.source.multilocal] Ignoring the ‘pipelines.yml’ file because modules or command line options are specified
[2019-04-09T13:11:40,138][INFO][logstash.runner] Starting Logstash {“logstash.version”=>”6.7.1″}
[2019-04-09T13:11:50,041][INFO][logstash.pipeline] Starting pipeline {:pipeline_id=>”main”, “pipeline.workers”=>2, “pipeline.batch.size”=>125, “pipeline.batch.delay”=>50}
[2019-04-09T13:11:50,697][INFO][logstash.outputs.elasticsearch] Elasticsearch pool URLs updated {:changes=>{:removed=>[], :added=>[http://www.iamcrawler.cn:9500/]}}
[2019-04-09T13:11:51,065][WARN][logstash.outputs.elasticsearch] Restored connection to ES instance {:url=>”http://www.iamcrawler.cn:9500/”}
[2019-04-09T13:11:51,191][INFO][logstash.outputs.elasticsearch] ES Output version determined {:es_version=>6}
[2019-04-09T13:11:51,196][WARN][logstash.outputs.elasticsearch] Detected a 6.x and above cluster: the `type` event field won’t be used to determine the document _type {:es_version=>6}
[2019-04-09T13:11:51,232][INFO][logstash.outputs.elasticsearch] Using default mapping template
[2019-04-09T13:11:51,253][INFO][logstash.outputs.elasticsearch] New Elasticsearch output {:class=>”LogStash::Outputs::ElasticSearch”, :hosts=>[“//www.iamcrawler.cn:9500”]}
[2019-04-09T13:11:51,287][INFO][logstash.outputs.elasticsearch] Attempting to install template {:manage_template=>{“template”=>”logstash-*”, “version”=>60001, “settings”=>{“index.refresh_interval”=>”5s”}, “mappings”=>{“_default_”=>{“dynamic_templates”=>[{“message_field”=>{“path_match”=>”message”, “match_mapping_type”=>”string”, “mapping”=>{“type”=>”text”, “norms”=>false}}}, {“string_fields”=>{“match”=>”*”, “match_mapping_type”=>”string”, “mapping”=>{“type”=>”text”, “norms”=>false, “fields”=>{“keyword”=>{“type”=>”keyword”, “ignore_above”=>256}}}}}], “properties”=>{“@timestamp”=>{“type”=>”date”}, “@version”=>{“type”=>”keyword”}, “geoip”=>{“dynamic”=>true, “properties”=>{“ip”=>{“type”=>”ip”}, “location”=>{“type”=>”geo_point”}, “latitude”=>{“type”=>”half_float”}, “longitude”=>{“type”=>”half_float”}}}}}}}}
[2019-04-09T13:11:51,399][INFO][logstash.outputs.elasticsearch] Installing elasticsearch template to _template/logstash
[2019-04-09T13:11:51,783][INFO][logstash.inputs.file] No sincedb_path set, generating one based on the “path” setting {:sincedb_path=>”/crawler/logstash/logstash-6.7.1/data/plugins/inputs/file/.sincedb_6677650ec826fa62a735f6625357dead”, :path=>[“/crawler/jenkins/*.log”]}
[2019-04-09T13:11:51,896][INFO][logstash.pipeline] Pipeline started successfully {:pipeline_id=>”main”, :thread=>”#<Thread:0x729fdee9 run>”}
[2019-04-09T13:11:52,010][INFO][filewatch.observingtail] START, creating Discoverer, Watch with file and sincedb collections
[2019-04-09T13:11:52,033][INFO][logstash.agent] Pipelines running {:count=>1, :running_pipelines=>[:main], :non_running_pipelines=>[]}
[2019-04-09T13:11:52,723][INFO][logstash.agent] Successfully started Logstash API endpoint {:port=>9600}
2.kibana 的安装 kibana 安装比较简单，下载后，进入安装目录的 config 目录，如：cd /crawler/kibana/kibana-6.7.1-linux-x86_64/config
vim kibana.yml
## 添加如下命令
server.host: 0.0.0.0
elasticsearch.url: “http://localhost:9500” #这里是 es 的 http 地址
## 进入 kibana 目录，执行以下命令，后台运行 kibana
./bin/kibana &
二.kibana 的使用可以参照网上的很多教程，这里就不过多的描述了