Delete fields in events

Elastic Stack Logstash
1

Hello All,

could you please help us to get the desire out put my logs usign the logstash groke filter

My Logformat id :"Apr 17 15:20:01 wiki-jira CROND[8769]: (root) CMD (/usr/lib64/sa/sa1 1 1)"

I want get the out as " CMD (/usr/lib64/sa/sa1 1 1)" ..

I tried the several ways but no luck to me .. Pleasae suggest us how to do ?

thanks
jagdish

2

Have you looked at the syslog example in the documentation?

https://www.elastic.co/guide/en/logstash/current/config-examples.html

3

And try this!
http://grokconstructor.appspot.com/
I came up with that in 1 min. You can use the mutate filter to remove fields
%{CISCOTIMESTAMP}%{SPACE}%{NOTSPACE}%{CRON_ACTION}%{NOTSPACE}%{SPACE}%{NOTSPACE}%{CRON_ACTION}%{GREEDYDATA:your_field}