Filebeat如何与Logstash配合使用在CentOS

Filebeat和Logstash是Elastic Stack(以前称为ELK Stack)中的两个关键组件,它们通常一起使用来收集、处理和转发日志数据。以下是在CentOS系统上配置Filebeat与Logstash配合使用的步骤:

1. 安装Elastic Stack

首先,你需要安装Elasticsearch、Logstash和Kibana。你可以使用Elastic官方提供的YUM仓库来安装这些组件。

添加Elastic YUM仓库

sudo rpm --import https://artifacts.elastic.co/GPG-KEY-elasticsearch
echo -e "[elasticsearch-7.x]\nname=Elasticsearch repository for 7.x packages\nbaseurl=https://artifacts.elastic.co/packages/7.x/yum\ngpgcheck=1\ngpgkey=https://artifacts.elastic.co/GPG-KEY-elasticsearch\nenabled=1\nautorefresh=1\ntype=rpm-md" | sudo tee -a /etc/yum.repos.d/elasticsearch.repo

安装Elasticsearch

sudo yum install elasticsearch

启动并启用Elasticsearch服务

sudo systemctl start elasticsearch
sudo systemctl enable elasticsearch

安装Logstash

sudo yum install logstash

启动并启用Logstash服务

sudo systemctl start logstash
sudo systemctl enable logstash

安装Kibana

sudo yum install kibana

启动并启用Kibana服务

sudo systemctl start kibana
sudo systemctl enable kibana

2. 安装Filebeat

sudo yum install filebeat

3. 配置Filebeat

编辑Filebeat配置文件 /etc/filebeat/filebeat.yml,设置输出到Logstash。

filebeat.inputs:
- type: log
  enabled: true
  paths:
    - /var/log/*.log

output.logstash:
  hosts: ["localhost:5044"]  # Logstash的地址和端口

4. 配置Logstash

编辑Logstash配置文件 /etc/logstash/conf.d/filebeat.conf,设置输入和输出。

input {
  beats {
    port => 5044
  }
}

filter {
  # 根据需要添加过滤器
  # grok {
  #   match => { "message" => "%{COMBINEDAPACHELOG}" }
  # }
}

output {
  elasticsearch {
    hosts => ["localhost:9200"]
    index => "filebeat-%{+YYYY.MM.dd}"
  }
}

5. 启动Filebeat

sudo systemctl start filebeat
sudo systemctl enable filebeat

6. 验证配置

确保Elasticsearch、Logstash和Kibana都在运行,并且Filebeat能够将日志发送到Logstash。

检查Filebeat状态

sudo systemctl status filebeat

检查Logstash状态

sudo systemctl status logstash

检查Elasticsearch状态

sudo systemctl status elasticsearch

检查Kibana状态

sudo systemctl status kibana

通过这些步骤,你应该能够在CentOS系统上成功配置Filebeat与Logstash配合使用。如果有任何问题,请检查日志文件以获取更多信息。

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