具体的配置解释见官网
http://flume.apache.org/FlumeUserGuide.html#flume-sources
1、flume安装目录下新建文件夹 example
2、在example下新建文件
netcat-logger.conf
内容如下：
#name the components on this agent
a1.sources = r1
a1.sinks = k1
a1.channels = c1# Describe/configure the source
a1.sources.r1.type = netcat
a1.sources.r1.bind = nbdo3
a1.sources.r1.port = 44444# Describe the sink
a1.sinks.k1.type = logger# Use a channel which buffers events in memory
a1.channels.c1.type = memory
a1.channels.c1.capacity = 1000
a1.channels.c1.transactionCapacity = 100# Bind the source and sink to the channel
a1.sources.r1.channels = c1
a1.sinks.k1.channel = c13、启动命令
flume-ng agent -c ../conf -fnetcat-logger.conf -n a1 -Dflume.root.logger=INFO,console
解释：
-c ../conf 指定flume自身的配置文件所在目录-f conf/netcat-logger.conf 指定我们所描述的采集方案
-n a1 指定我们这个agent的名字
4、clone session 启动telnet
如果telnet命令无效，安装telnet。见博文：http://www.cnblogs.com/yangxia-test/p/4159891.html
5、测试
telnet 输入
hello
world
flume监听到的画面
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