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splunkstuff's Introduction

Hi there, I'm Chris

I created a project called Growl, originally called Global Notifications Center, in the early 2000's. I then helped to create Perian. Previously I was Project Manager on Adium. My commit history predates the existence of GitHub or Git, but some of the repos survived and have been migrated here.

Right now I work on mostly Information Security/CyberSecurity, know a lot about Splunk Process Language and Regular Expressions. The following are a few regular expressions I created which are my favorites.

My favorite regular expressions
Find duplicates Find text wrapped with an asterisk in a unique way
Find the beginning and ending of sentences on a line (the wild horses regex) Find different types of hashes for crypto types

The full history of edits for each regex are there so you can see the progression of building these out. I prefer PCRE but am not limited to it, simple for DEFINE and a few other benefits PCRE provides.

Right now I share a repo with others working on making SPL code which shows how to work with SPL. Here is the repo:

Splunk Stuff


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amillikin avatar chrisforsythe avatar dglauche avatar dmarlingsplunk avatar lasdem avatar mmccul avatar wedge22 avatar

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splunkstuff's Issues

Dashboard example of multiple inputs and chaining them

Write an example dashboard for chaining multiple inputs. Explanation:

What I often do is four inputs. First input has no tokens it uses. You fill in that input, which causes the next input to populate because the token it uses is finally defined. When you fill in that input, it allows the populating search of the next input to run, so the user can select their choice for that input, etc. Then, only when the last input in the chain is set can the actual search run, because it depends on a token from that last input.

Standard indexes

It'd be nice to have a doc that outlines "these are the index names and descriptions you should be using" as well as "here is when you split an index".

Make a dashboard for splunk certifications

Make a dashboard for splunk certifications to show how to work with different aspects of dashboards. Since the data is relevant to splunk, use the list of training courses and certifications to answer questions of:

  • If I have taken these courses, which certifications can I test on.
  • If I want this certification, which courses do I need
  • Which courses are optional for a certification

simplexml.rng: error: element "fieldset" not allowed here; expected the element end-tag or element "row" or "search"

I got this error:
error: element "fieldset" not allowed here; expected the element end-tag or element "row" or "search" with a seemingly legitimate SimpleXML file.
combined-current-forecast.zip
The command is
java -jar ~/dev/utils/jing-20091111/bin/jing.jar ~/dev/utils/SplunkStuff/validation/simplexml.rng ~/dev/rail-weather-dashboard/src/combined-current-forecast.xml
The xml file zipped is attached in the next comment.

Indexed vs search time

Document when does indexed field extractions help.

  • If you search for a key/value pair where the value is not found in other strings (mykey=fancystringvalue): No benefit
  • If you search for a value plain as a quoted string without a field ("valuehere"): No benefit
  • If you search for a key/value pair where the value is commonly found in multiple keys (mykey=1): Benefit

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