Shulou(Shulou.com)06/03 Report--

Logstash installation 1, download

Logstash download

Https://www.elastic.co/downloads/logstash

2. Install and check the jdk version

If you don't need to install jdk yourself

Java-version

Upload the logstash installation package to the / opt folder and extract # extract tar-zxvf logstash-6.1.1.tar.gz# to establish a soft link ln-s / opt/logstash-6.1.1/bin/logstash / usr/local/sbin/logstash test logstash

Principle: input, filter, output

# because soft links have been added, you can directly enter the command logstash to execute logstash-e 'input {stdin {}} output {stdout {}'

Enter hello to see that logstash gets the hello directly.

three, Common parameter usage-n specifies the name of the Logstash instance. If not specified, the default host name-f specifies the Logstash configuration file or directory. If you specify the directory, the configuration file-e in the merge directory specifies the Logstash configuration data, which is specified as a string. It is often used to manually test-l specify the Logstash log file directory, and under the default installation directory, the logs directory-debug enables Logstash debugging mode-log.level specifies the Logstash log level Fatal/error/warn/info/debug/trace--config.debug specifies Logstash to print configuration merge log. The premise is to open debug mode-debug and set log level-t to test Logstash configuration file. You must use-r to set Logstash automatic overload configuration file with-f, and use-- config.reload.interval to set Logstash reload configuration cycle with-f. Default is 3 seconds-http.host sets LogstashAPI listening address-http.port sets LogstashAPI listening port-quiet sets Logstash to quiet mode

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