场景：生产环境可集中式分析特定日志，便于管理，以及快速解决程序问题等。
常见：nginx、apache的访问日志，错误日志 catalina.out日志等。可以把错误日志提取出并解决。
安装方式：
1）编译安装 常用组合 ELK+Reids+插件
1.1）优点：方便管理
1.2）缺点：需要手动安装配置，相对yum繁琐
2）yum安装
2.1）优点：安装配置方便
2.2）缺点：相对编译不太好管理（依赖关系等因素）
My eg：
注意事项：elk安装比较简单，但是要注意最低配置。这里我个人用的是编译安装，并且自己写的脚本。yum安装脚本可直接用。
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[root@elk config]
node(elasticsearch) is running...
[root@elk config]
elasticsearch is already running...
[root@elk config]
java version
"1.8.0_112"
Java(TM) SE Runtime Environment (build 1.8.0_112-b15)
Java HotSpot(TM) 64-Bit Server VM (build 25.112-b15, mixed mode)
[root@elk config]
kibana is running...
[root@elk config]
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![wKiom1h15uaC1QsEAABh48bhY_E144.png-wh_50]( "1.png")
注意地方：
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elasticsearch.yml：
[root@elk config]
cluster.name: elk
node.name: node1
network.host: 0.0.0.0
http.port: 9200
http.cors.enabled:
true
http.cors.allow-origin:
"*"
[root@elk config]
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kibana.yml ：
[root@elk config]
elasticsearch.url: “http:
//192
.168.1.225:9200”
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logstash获取日志样板：（重点）
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[root@elk config]
[root@elk config]
input {
file
{
path =>
"/usr/local/tomcat-7.x/logs/catalina.out"
start_position =>
"beginning"
}
}
filter {
if
[path] =~
"access"
{
mutate { replace => {
"type"
=>
"tomcat catalina.out"
} }
grok {
match => {
"message"
=>
"%{COMBINEDAPACHELOG}"
}
}
}
date
{
match => [
"timestamp"
,
"dd/MMM/yyyy:HH:mm:ss Z"
]
}
}
output {
elasticsearch {
hosts => [
"192.168.1.225:9200"
]
}
stdout { codec => rubydebug }
}
[root@elk config]
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启动：logstash -f catalinalog.conf （测试）
![wKioL1h17JKxiz_CAAEBN7AelG4305.png-wh_50]( "2.png")
kibana访问：
![wKioL1h18THzN7gcAAF3i2SGpMs513.png-wh_50]( "2.png")
摘取tomcat最后启动成功状态日志：
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January 11th 2017, 15:39:52.990path:
/usr/local/tomcat-7
.x
/logs/catalina
.out @timestamp:January 11th 2017, 15:39:52.990 @version:1 host:0.0.0.0 message:信息: Destroying ProtocolHandler [
"ajp-bio-8009"
] tags: _id:AVmMeAegJ7ojQvedm4_L _type:logs _index:logstash-2017.01.11 _score: -
January 11th 2017, 15:39:52.989path:
/usr/local/tomcat-7
.x
/logs/catalina
.out @timestamp:January 11th 2017, 15:39:52.989 @version:1 host:0.0.0.0 message:信息: Stopping ProtocolHandler [
"ajp-bio-8009"
] tags: _id:AVmMeAegJ7ojQvedm4_H _type:logs _index:logstash-2017.01.11 _score: -
January 11th 2017, 15:39:52.989path:
/usr/local/tomcat-7
.x
/logs/catalina
.out @timestamp:January 11th 2017, 15:39:52.989 @version:1 host:0.0.0.0 message:信息: Stopping ProtocolHandler [
"http-bio-80"
] tags: _id:AVmMeAegJ7ojQvedm4_F _type:logs _index:logstash-2017.01.11 _score: -
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转载至：http://renzhiyuan.blog.51cto.com/10433137/1891134?b2
本文转自 亮公子 51CTO博客，原文链接:http://blog.51cto.com/iyull/1892522
