Logstash-plugins github address : 

1、安装好 ruby 环境

2、下载插件包，例如：

0> wget https://github.com/logstash-plugins/logstash-filter-aggregate 0> unzip master0> cd logstash-filter-aggregate-master0> gem build logstash-filter-aggregate.gemspec   #会生成 logstash-filter-aggregate-0.1.3.gem 文件0> /path/to/your/logstash/bin/plugin  install   /path/to/your/logstash-filter-aggregate-0.1.3.gem Validating ./logstash-filter-aggregate-0.1.3.gemInstalling logstash-filter-aggregateInstallation successful

3、现在，调用list列出所有的已安装插件列表，会看见刚才安装的aggregate插件：

0> /path/to/your/logstash/bin/plugin listlogstash-filter-aggregate