ELK filebeat的安装

安装参考官方文档：

https://www.elastic.co/guide/en/beats/filebeat/current/filebeat-installation.html

注意事项：

From the PowerShell prompt, run the following commands to install Filebeat as a Windows service

PS > cd 'C:Program FilesFilebeat'
PS C:Program FilesFilebeat> .install-service-filebeat.ps1

PowerShell要用x86版。