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SplunkLive!
Dirk Beerbohm | Senior Sales Engineer
München, 20. März 2018
Set Up Before You Can Play
Download the following at splunk.com
▶ Splunk Enterprise:
• https://www.splunk.com/download
▶ Tutorial Data:
• http://splk.it/2ey34P8
▶ Search Tutorial
• http://splk.it/2ePSYKB
Getting Started With
Splunk Enterprise
© 2018 SPLUNK INC.
1. Splunk Overview
2. Using Splunk –
Live Demonstration/Walk-Through
• Installing & Onboarding Data
• Searching
• Field Extraction
• Dashboards
• Alerting
• Analytics
3. Wrap-up/Q&A
Agenda
Big Data Comes From Machines
Volume | Velocity | Variety | Variability
GPS,
RFID,
Hypervisor,
Web Servers,
Email, Messaging,
Clickstreams, Mobile,
Telephony, IVR, Databases,
Sensors, Telematics, Storage,
Servers, Security Devices, Desktops
Splunk’s Mission:
Make machine data accessible,
usable, and valuable to everyone
What Does Machine Data Look Like?
Order Processing
Twitter
Care IVR
Middleware Error
ORDER, 2018-01-21T14:04:12.484,10098213, 569281734,67.17.10.12,43CD1A7B8322,SA-2100
JAN 21 14:04:12.996 wl-01.acme.com Order 569281734 failed for customer 10098213.
Exception follows: weblogic.jdbc.extensions.ConnectionDeadSQLException:
weblogic.common.resourcepool.ResourceDeadException: Could not create pool connection. The
DBMS driver exception was: [BEA][Oracle JDBC Driver] Error establishing socket to host and port:
ACMEDB-01:1521. Reason: Connection refused
01/21/18 16:33:11.238 [CONNEVENT] Ext 1207130 (0192033): Event 20111, CTI Num:ServID:Type
0:19:9, App 0, ANI T7998#1, DNIS 5555685981, SerID 40489a07-7f6e-4251-801a-
13ae51a6d092, Trunk T451.16
01/21/18 16:33:11:242 [SCREENPOPEVENT] SerID 40489a07-7f6e-4251-801a-13ae51a6d092
CUSTID 10098213
01/21/18 16:37:49.732 [DISCEVENT] SerID 40489a07-7f6e-4251-801a-13ae51a6d092
{actor:{displayName: “Go Cowboys!!”,followersCount:1366,friendsCount:789,link:
http://dallascowboys.com/,location:{displayName:“Dallas, TX”,objectType:“place”},
objectType:“person”,preferredUsername:“Cowb0ysF@n80”,statusesCount:6072},body: “Can’t buy
this device from @ACME. Site doesn’t work! Called, gave up on waiting for them to answer! RT if
you hate @ACME!!”,objectType:“activity”,postedTime:“2018-01-21T16:39:40.647-0600”}
SOURCES
Machine Data Contains Critical Insights
Order Processing
Twitter
Care IVR
Middleware Error
Customer ID Order ID
ORDER, 2018-01-21T14:04:12.484,10098213, 569281734,67.17.10.12,43CD1A7B8322,SA-2100
JAN 21 14:04:12.996 wl-01.acme.com Order 569281734 failed for customer 10098213.
Exception follows: weblogic.jdbc.extensions.ConnectionDeadSQLException:
weblogic.common.resourcepool.ResourceDeadException: Could not create pool connection. The
DBMS driver exception was: [BEA][Oracle JDBC Driver] Error establishing socket to host and port:
ACMEDB-01:1521. Reason: Connection refused
01/21/18 16:33:11.238 [CONNEVENT] Ext 1207130 (0192033): Event 20111, CTI Num:ServID:Type
0:19:9, App 0, ANI T7998#1, DNIS 5555685981, SerID 40489a07-7f6e-4251-801a-
13ae51a6d092, Trunk T451.16
01/21/18 16:33:11:242 [SCREENPOPEVENT] SerID 40489a07-7f6e-4251-801a-13ae51a6d092
CUSTID 10098213
01/21/18 16:37:49.732 [DISCEVENT] SerID 40489a07-7f6e-4251-801a-13ae51a6d092
{actor:{displayName: “Go Cowboys!!”,followersCount:1366,friendsCount:789,link:
http://dallascowboys.com/,location:{displayName:“Dallas, TX”,objectType:“place”},
objectType:“person”,preferredUsername:“Cowb0ysF@n80”,statusesCount:6072},body: “Can’t buy
this device from @ACME. Site doesn’t work! Called, gave up on waiting for them to answer! RT if
you hate @ACME!!”,objectType:“activity”,postedTime:“2018-01-21T16:39:40.647-0600”}
Order ID
Customer’s Twitter ID
Customer ID
Customer ID
Time waiting on hold
Customer’s Tweet
Company’s Twitter ID
Product ID
SOURCES
Machine Data Contains Critical Insights
SOURCES
Order Processing
Twitter
Care IVR
Middleware Error
Customer ID Order ID
ORDER, 2018-01-21T14:04:12.484,10098213, 569281734,67.17.10.12,43CD1A7B8322,SA-2100
JAN 21 14:04:12.996 wl-01.acme.com Order 569281734 failed for customer 10098213.
Exception follows: weblogic.jdbc.extensions.ConnectionDeadSQLException:
weblogic.common.resourcepool.ResourceDeadException: Could not create pool connection. The
DBMS driver exception was: [BEA][Oracle JDBC Driver] Error establishing socket to host and port:
ACMEDB-01:1521. Reason: Connection refused
01/21/18 16:33:11.238 [CONNEVENT] Ext 1207130 (0192033): Event 20111, CTI Num:ServID:Type
0:19:9, App 0, ANI T7998#1, DNIS 5555685981, SerID 40489a07-7f6e-4251-801a-
13ae51a6d092, Trunk T451.16
01/21/18 16:33:11:242 [SCREENPOPEVENT] SerID 40489a07-7f6e-4251-801a-13ae51a6d092
CUSTID 10098213
01/21/18 16:37:49.732 [DISCEVENT] SerID 40489a07-7f6e-4251-801a-13ae51a6d092
{actor:{displayName: “Go Cowboys!!”,followersCount:1366,friendsCount:789,link:
http://dallascowboys.com/,location:{displayName:“Dallas, TX”,objectType:“place”},
objectType:“person”,preferredUsername:“Cowb0ysF@n80”,statusesCount:6072},body: “Can’t buy
this device from @ACME. Site doesn’t work! Called, gave up on waiting for them to answer! RT if
you hate @ACME!!”,objectType:“activity”,postedTime:“2018-01-21T16:39:40.647-0600”}
Order ID
Customer’s Twitter ID
Customer ID
Customer ID
Time waiting on hold
Customer’s Tweet
Company’s Twitter ID
Product ID
Industry Leading Platform For Machine Data
Custom
dashboards
Report and
analyze
Monitor
and alert
Developer
Platform
Ad hoc
search
On-Premises
Private Cloud
Public
Cloud
Storage
Online
Shopping Cart
Telecoms
Desktops
Security
Web
Services
Networks
Containers
Web
Clickstreams
RFID
Smartphones
and Devices
Servers
Messaging
GPS
Location
Packaged
Applications
Custom
Applications
Online
Services
DatabasesCall Detail
Records
Energy MetersFirewall
Intrusion
Prevention
Platform Support (Apps / API / SDKs)
Enterprise Scalability
Universal Indexing
Machine Data: Any Location, Type, Volume Answer Any Question
Any Amount, Any Location, Any Source
No
back-end
database
Schema
on-the-fly
No need
to filter
data
Quick
time to
value
Agile
reporting
and
analytics
Real-time
architecture
Installing and
Using Splunk
Live Demonstration & Walk-Through
Set Up Before You Can Play
Get the following at splunk.com
▶ Splunk Enterprise:
• https://www.splunk.com/download
▶ Tutorial Data:
• http://splk.it/2ey34P8
▶ Search Tutorial
• http://splk.it/2ePSYKB
▶ IMPORT THE ZIP FILE, not individual files within it:
http://www.splunkbook.com
(sample data is located under ‘related links’ section – *same tutorialdata.zip from
first page)
▶ Log in to Splunk – http://127.0.0.1:8000 username=admin password=changeme
▶ To add the file to Splunk:
• Click Add Data
• Click Upload files from my computer
• Drag and drop your sample data zip file
• Review and finish
Getting Data Into Splunk
We will import sample
web e-commerce
store events
▶ License expired (already had older version installed)
• Close browser, empty cache, open browser. If that doesn’t work:
• Stop Splunk
• Uninstall all Splunk versions
• Windows Control Panel->Uninstall programs->Splunk
• OS X. Finder->Applications->Right click Splunk, Move to trash
• Reinstall
• Start Splunk
▶ Can’t start Splunk
• Windows, Search Control panel ->Services->Splunk start
• Linux; cd <SPLUNK dir>/splunk/bin;./splunk start
Common Problems at This Point
Let’s Dive In
© 2018 SPLUNK INC.
▶ See Slide Note at
right about adding in
step-by-step
instructions here.
Dashboard
▶ buttercupgames
▶ buttercupgames 400
▶ buttercupgames 400 OR 500
▶ buttercupgames status=400 OR status=500
▶ buttercupgames status=400 OR status=500 | timechart count by status limit=10
▶ buttercupgames status=*
▶ buttercupgames status=* | timechart count by status limit=10
▶ buttercupgames status=* AND status!=200 | timechart count by status limit=10
▶ index=* sourcetype=access_combined_wcookie
Searches Used
SplunkLive! Munich 2018: Getting Started with Splunk Enterprise
▶ index=* sourcetype=access_combined_wcookie | top limit=20
browser_type (field extraction necessary)
▶ buttercupgames status!=200
▶ buttercupgames status!=200 | stats count by status | where count > 100
▶ buttercupgames status=* | iplocation clientip
▶ buttercupgames status=* | iplocation clientip | geostats count by action
Searches Used (Continued)
▶ SplunkLive! Presentations
• http://splunklive.splunk.com/presentations.html
▶ Documentation
• http://www.splunk.com/base/Documentation
▶ Technical Support
• http://www.splunk.com/support
▶ Videos
• http://www.splunk.com/videos
▶ Education
• http://www.splunk.com/view/education/SP-
CAAAAH9
▶ Community
• http://answers.splunk.com
▶ Splunk Book
• http://splunkbook.com
Time to Start SPLUNKING!!!
Where do I go for help?
Thriving Community
dev.splunk.com
75,000+ questions
and answers
1,000+ apps
Local user groups and
SplunkLive! events
▶Save the Date 2018
October 1-4, 2018
▶ 8,750+ Splunk Enthusiasts
▶ 300+ Sessions
▶ 100+ Customer Speakers
Plus Splunk University:
▶ Three Days: September 29-October 1, 2018
▶ Get Splunk Certified for FREE!
▶ Get CPE credits for CISSP, CAP, SSCP
Walt Disney World Swan and Dolphin Resort in Orlando
conf .splunk.com
SAVE THE DATE!
Wrap-Up/Q&A
© 2018 SPLUNK INC.
Don't forget to rate this session in the
SplunkLive! mobile app
Thank You
Appendix: Detailed
Walk-Through
SplunkLive! Munich 2018: Getting Started with Splunk Enterprise
© 2018 SPLUNK INC.
Download
Splunk
Enterprise for
your OS and
architecture.
© 2018 SPLUNK INC.
Download
tutorialdata.zip
© 2018 SPLUNK INC.
With Firefox,
Chrome
or Safari –
head to
http://127.0.0.1:8000
User = admin
Password = changeme
© 2018 SPLUNK INC.
You’ve
successfully
installed
Splunk and
logged in!
Let’s add the
tutorialdata.zip
via “Add Data.”
© 2018 SPLUNK INC.
You can also
“Add Data”
from Settings
at the top.
© 2018 SPLUNK INC.
Click on
upload.
© 2018 SPLUNK INC.
Let’s drag
tutorialdata.zip
into “Drop
your data
file here.”
© 2018 SPLUNK INC.
Click Next
© 2018 SPLUNK INC.
Splunk can
auto detect the
source type.
Let’s change
host field to
buttercup-web01,
and then click
Review.
© 2018 SPLUNK INC.
Looks good,
click Submit.
© 2018 SPLUNK INC.
Let’s Start
Searching
our data.
© 2018 SPLUNK INC.
We’re brought
into a search
with filters
applied to
search the
data we just
uploaded.
© 2018 SPLUNK INC.
Let’s type
“buttercupgames”
in the search
bar, and
double-click
into a bar on the
histogram.
© 2018 SPLUNK INC.
Notice the time
picker changed
with our drill
into the
histogram bar.
© 2018 SPLUNK INC.
Given that this
data is web
access, let’s do
a string search
for 400, which is
a “Bad Request”
code.
Notice that there are
188 events returned
(number will vary for you).
© 2018 SPLUNK INC.
Let’s also add
500 into the mix,
and notice that
my event count
is higher now.
© 2018 SPLUNK INC.
We can see the
400 and 500
status codes,
but other status
codes also show
up in our
results.
That’s because the string
search doesn’t explicitly
search for status values – it’ll
string match any event that
contains “400” or “500.”
© 2018 SPLUNK INC.
Let’s explicitly
search for
status codes
equaling values
we want to see
returned.
© 2018 SPLUNK INC.
Great, we’ve
now returned all
the events
containing the
two status
codes we
searched for.
Click on
“Top values by
time,” which
will build out a
timechart for us.
© 2018 SPLUNK INC.
Notice how our
search query
changed, there’s
a | (pipe), and
a timechart
command
added.
The pipe followed by a
command allows further
operation on your
filtered data set.
© 2018 SPLUNK INC.
Let’s change our
search to:
buttercupgames
status=*
And – drill into
one bar on the
histogram.
© 2018 SPLUNK INC.
Click on “top
values by time”
under the status
field on the left,
which will
produce the
timechart
at right.
© 2018 SPLUNK INC.
Let’s exclude
200 status
codes by
adding AND
status!=200, and
change Line to
Column.
© 2018 SPLUNK INC.
After changing
from Line to
Column, let’s
Stack the results
(middle stack
under Stack
Mode).
Much better!
© 2018 SPLUNK INC.
Let’s now save
this to a
dashboard, a
place we can go
to view this
search without
having to
remember what
we had just
searched for.
Click Save AS -> Dashboard
Panel. Fill in, and click Save.
Then, View dashboard.
© 2018 SPLUNK INC.
Click on Search
to get us back to
our Search bar,
and let’s key in:
buttercupgames.
Development wants to know what web
browsers are being used to access the
site, but no fields currently exist. No
problem – let’s extract the browser field.
Find an event that contains a value
that you’re looking for, and click the “>”
arrow just to the left of “Time.”
The event will expand with a
down arrow, and Extract Fields will
be under Event Actions.
Click Extract Fields.
© 2018 SPLUNK INC.
Click Regular
Expression
(Splunk will
build a regular
expression
to extract our
fields), and
click Next.
Highlight the value of the field
you’d like to create, and let’s
name the field: browser_type
Click Add Extraction.
© 2018 SPLUNK INC.
Let’s verify that
the extracted
field contains
values that are
indeed types of
browsers.
Good, click Next to proceed.
Now, open the permissions
to “App,” which will allow
users of the App the ability
to leverage this extraction.
Click Next.
© 2018 SPLUNK INC.
Success!
Let’s explore
the fields just
created in
Search, by
clicking the link.
© 2018 SPLUNK INC.
You’ll now
be taken to
Search, with the
filter set to the
sourcetype that
the field
extraction has
been applied to.
Note – field extractions are
coupled to a sourcetype.
Click on “Top values.”
© 2018 SPLUNK INC.
Notice how the
search changed.
And, instead of
a bar graph, we
want a pie chart,
so drop down
the “bar” option
and change
it to pie.
Let’s add this search to our dashboard, and then view the dashboard.
Click Edit -> Edit Panels to drag the different panels to different positions.
© 2018 SPLUNK INC.
Let’s go back
to search,
and search for
buttercupgames
AND status!=200
(we want to see events that
aren’t successful).
Add the stats and where
clause above, to return when
there are more than 100
unsuccessful status codes.
© 2018 SPLUNK INC.
Let’s create
an alert.
Save As -> Alert.
Fill out the Title, Scheduled,
Earliest + Latest, and Cron
Expression.
Instead of 48, change to
minutes a few ahead of your
current time (i.e., if it’s 9:00
a.m., change to 05).
© 2018 SPLUNK INC.
Add to
Triggered
Alerts and
Save.
© 2018 SPLUNK INC.
You should see
an alert trigger
once your
scheduled
search runs at
the Cron
expression
you defined.
* Note – it was mentioned
that alerts wouldn’t work on
a trial license.
* Correction – alerts will
work until the trial license
expires.
© 2018 SPLUNK INC.
Let’s go back to
search and:
buttercupgames
status=* |
iplocation clientip
We want to look up
the clientip values against
the MaxMind database to
pull in City, Country, State,
Lat, Lon of the IPs.
© 2018 SPLUNK INC.
Now, business
is interested in
seeing plots on
a map of web
users and what
they’re doing
with the website.
Let’s append a geostats
command that counts
the events by the values
of the action field.
Pretty cool! This is definitely
dashboard worthy
Let’s add to dashboard.
© 2018 SPLUNK INC.
Awesome!
Now we have a
single pane of
glass that
Operations,
Development
and Business
all care about –
from one
data source!
Talk about
value!
Ad

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SplunkLive! Munich 2018: Getting Started with Splunk Enterprise

  • 1. SplunkLive! Dirk Beerbohm | Senior Sales Engineer München, 20. März 2018
  • 2. Set Up Before You Can Play Download the following at splunk.com ▶ Splunk Enterprise: • https://www.splunk.com/download ▶ Tutorial Data: • http://splk.it/2ey34P8 ▶ Search Tutorial • http://splk.it/2ePSYKB
  • 4. © 2018 SPLUNK INC. 1. Splunk Overview 2. Using Splunk – Live Demonstration/Walk-Through • Installing & Onboarding Data • Searching • Field Extraction • Dashboards • Alerting • Analytics 3. Wrap-up/Q&A Agenda
  • 5. Big Data Comes From Machines Volume | Velocity | Variety | Variability GPS, RFID, Hypervisor, Web Servers, Email, Messaging, Clickstreams, Mobile, Telephony, IVR, Databases, Sensors, Telematics, Storage, Servers, Security Devices, Desktops Splunk’s Mission: Make machine data accessible, usable, and valuable to everyone
  • 6. What Does Machine Data Look Like? Order Processing Twitter Care IVR Middleware Error ORDER, 2018-01-21T14:04:12.484,10098213, 569281734,67.17.10.12,43CD1A7B8322,SA-2100 JAN 21 14:04:12.996 wl-01.acme.com Order 569281734 failed for customer 10098213. Exception follows: weblogic.jdbc.extensions.ConnectionDeadSQLException: weblogic.common.resourcepool.ResourceDeadException: Could not create pool connection. The DBMS driver exception was: [BEA][Oracle JDBC Driver] Error establishing socket to host and port: ACMEDB-01:1521. Reason: Connection refused 01/21/18 16:33:11.238 [CONNEVENT] Ext 1207130 (0192033): Event 20111, CTI Num:ServID:Type 0:19:9, App 0, ANI T7998#1, DNIS 5555685981, SerID 40489a07-7f6e-4251-801a- 13ae51a6d092, Trunk T451.16 01/21/18 16:33:11:242 [SCREENPOPEVENT] SerID 40489a07-7f6e-4251-801a-13ae51a6d092 CUSTID 10098213 01/21/18 16:37:49.732 [DISCEVENT] SerID 40489a07-7f6e-4251-801a-13ae51a6d092 {actor:{displayName: “Go Cowboys!!”,followersCount:1366,friendsCount:789,link: http://dallascowboys.com/,location:{displayName:“Dallas, TX”,objectType:“place”}, objectType:“person”,preferredUsername:“Cowb0ysF@n80”,statusesCount:6072},body: “Can’t buy this device from @ACME. Site doesn’t work! Called, gave up on waiting for them to answer! RT if you hate @ACME!!”,objectType:“activity”,postedTime:“2018-01-21T16:39:40.647-0600”} SOURCES
  • 7. Machine Data Contains Critical Insights Order Processing Twitter Care IVR Middleware Error Customer ID Order ID ORDER, 2018-01-21T14:04:12.484,10098213, 569281734,67.17.10.12,43CD1A7B8322,SA-2100 JAN 21 14:04:12.996 wl-01.acme.com Order 569281734 failed for customer 10098213. Exception follows: weblogic.jdbc.extensions.ConnectionDeadSQLException: weblogic.common.resourcepool.ResourceDeadException: Could not create pool connection. The DBMS driver exception was: [BEA][Oracle JDBC Driver] Error establishing socket to host and port: ACMEDB-01:1521. Reason: Connection refused 01/21/18 16:33:11.238 [CONNEVENT] Ext 1207130 (0192033): Event 20111, CTI Num:ServID:Type 0:19:9, App 0, ANI T7998#1, DNIS 5555685981, SerID 40489a07-7f6e-4251-801a- 13ae51a6d092, Trunk T451.16 01/21/18 16:33:11:242 [SCREENPOPEVENT] SerID 40489a07-7f6e-4251-801a-13ae51a6d092 CUSTID 10098213 01/21/18 16:37:49.732 [DISCEVENT] SerID 40489a07-7f6e-4251-801a-13ae51a6d092 {actor:{displayName: “Go Cowboys!!”,followersCount:1366,friendsCount:789,link: http://dallascowboys.com/,location:{displayName:“Dallas, TX”,objectType:“place”}, objectType:“person”,preferredUsername:“Cowb0ysF@n80”,statusesCount:6072},body: “Can’t buy this device from @ACME. Site doesn’t work! Called, gave up on waiting for them to answer! RT if you hate @ACME!!”,objectType:“activity”,postedTime:“2018-01-21T16:39:40.647-0600”} Order ID Customer’s Twitter ID Customer ID Customer ID Time waiting on hold Customer’s Tweet Company’s Twitter ID Product ID SOURCES
  • 8. Machine Data Contains Critical Insights SOURCES Order Processing Twitter Care IVR Middleware Error Customer ID Order ID ORDER, 2018-01-21T14:04:12.484,10098213, 569281734,67.17.10.12,43CD1A7B8322,SA-2100 JAN 21 14:04:12.996 wl-01.acme.com Order 569281734 failed for customer 10098213. Exception follows: weblogic.jdbc.extensions.ConnectionDeadSQLException: weblogic.common.resourcepool.ResourceDeadException: Could not create pool connection. The DBMS driver exception was: [BEA][Oracle JDBC Driver] Error establishing socket to host and port: ACMEDB-01:1521. Reason: Connection refused 01/21/18 16:33:11.238 [CONNEVENT] Ext 1207130 (0192033): Event 20111, CTI Num:ServID:Type 0:19:9, App 0, ANI T7998#1, DNIS 5555685981, SerID 40489a07-7f6e-4251-801a- 13ae51a6d092, Trunk T451.16 01/21/18 16:33:11:242 [SCREENPOPEVENT] SerID 40489a07-7f6e-4251-801a-13ae51a6d092 CUSTID 10098213 01/21/18 16:37:49.732 [DISCEVENT] SerID 40489a07-7f6e-4251-801a-13ae51a6d092 {actor:{displayName: “Go Cowboys!!”,followersCount:1366,friendsCount:789,link: http://dallascowboys.com/,location:{displayName:“Dallas, TX”,objectType:“place”}, objectType:“person”,preferredUsername:“Cowb0ysF@n80”,statusesCount:6072},body: “Can’t buy this device from @ACME. Site doesn’t work! Called, gave up on waiting for them to answer! RT if you hate @ACME!!”,objectType:“activity”,postedTime:“2018-01-21T16:39:40.647-0600”} Order ID Customer’s Twitter ID Customer ID Customer ID Time waiting on hold Customer’s Tweet Company’s Twitter ID Product ID
  • 9. Industry Leading Platform For Machine Data Custom dashboards Report and analyze Monitor and alert Developer Platform Ad hoc search On-Premises Private Cloud Public Cloud Storage Online Shopping Cart Telecoms Desktops Security Web Services Networks Containers Web Clickstreams RFID Smartphones and Devices Servers Messaging GPS Location Packaged Applications Custom Applications Online Services DatabasesCall Detail Records Energy MetersFirewall Intrusion Prevention Platform Support (Apps / API / SDKs) Enterprise Scalability Universal Indexing Machine Data: Any Location, Type, Volume Answer Any Question Any Amount, Any Location, Any Source No back-end database Schema on-the-fly No need to filter data Quick time to value Agile reporting and analytics Real-time architecture
  • 10. Installing and Using Splunk Live Demonstration & Walk-Through
  • 11. Set Up Before You Can Play Get the following at splunk.com ▶ Splunk Enterprise: • https://www.splunk.com/download ▶ Tutorial Data: • http://splk.it/2ey34P8 ▶ Search Tutorial • http://splk.it/2ePSYKB
  • 12. ▶ IMPORT THE ZIP FILE, not individual files within it: http://www.splunkbook.com (sample data is located under ‘related links’ section – *same tutorialdata.zip from first page) ▶ Log in to Splunk – http://127.0.0.1:8000 username=admin password=changeme ▶ To add the file to Splunk: • Click Add Data • Click Upload files from my computer • Drag and drop your sample data zip file • Review and finish Getting Data Into Splunk We will import sample web e-commerce store events
  • 13. ▶ License expired (already had older version installed) • Close browser, empty cache, open browser. If that doesn’t work: • Stop Splunk • Uninstall all Splunk versions • Windows Control Panel->Uninstall programs->Splunk • OS X. Finder->Applications->Right click Splunk, Move to trash • Reinstall • Start Splunk ▶ Can’t start Splunk • Windows, Search Control panel ->Services->Splunk start • Linux; cd <SPLUNK dir>/splunk/bin;./splunk start Common Problems at This Point
  • 15. © 2018 SPLUNK INC. ▶ See Slide Note at right about adding in step-by-step instructions here. Dashboard
  • 16. ▶ buttercupgames ▶ buttercupgames 400 ▶ buttercupgames 400 OR 500 ▶ buttercupgames status=400 OR status=500 ▶ buttercupgames status=400 OR status=500 | timechart count by status limit=10 ▶ buttercupgames status=* ▶ buttercupgames status=* | timechart count by status limit=10 ▶ buttercupgames status=* AND status!=200 | timechart count by status limit=10 ▶ index=* sourcetype=access_combined_wcookie Searches Used
  • 18. ▶ index=* sourcetype=access_combined_wcookie | top limit=20 browser_type (field extraction necessary) ▶ buttercupgames status!=200 ▶ buttercupgames status!=200 | stats count by status | where count > 100 ▶ buttercupgames status=* | iplocation clientip ▶ buttercupgames status=* | iplocation clientip | geostats count by action Searches Used (Continued)
  • 19. ▶ SplunkLive! Presentations • http://splunklive.splunk.com/presentations.html ▶ Documentation • http://www.splunk.com/base/Documentation ▶ Technical Support • http://www.splunk.com/support ▶ Videos • http://www.splunk.com/videos ▶ Education • http://www.splunk.com/view/education/SP- CAAAAH9 ▶ Community • http://answers.splunk.com ▶ Splunk Book • http://splunkbook.com Time to Start SPLUNKING!!! Where do I go for help?
  • 20. Thriving Community dev.splunk.com 75,000+ questions and answers 1,000+ apps Local user groups and SplunkLive! events
  • 21. ▶Save the Date 2018 October 1-4, 2018 ▶ 8,750+ Splunk Enthusiasts ▶ 300+ Sessions ▶ 100+ Customer Speakers Plus Splunk University: ▶ Three Days: September 29-October 1, 2018 ▶ Get Splunk Certified for FREE! ▶ Get CPE credits for CISSP, CAP, SSCP Walt Disney World Swan and Dolphin Resort in Orlando conf .splunk.com SAVE THE DATE!
  • 23. © 2018 SPLUNK INC. Don't forget to rate this session in the SplunkLive! mobile app Thank You
  • 26. © 2018 SPLUNK INC. Download Splunk Enterprise for your OS and architecture.
  • 27. © 2018 SPLUNK INC. Download tutorialdata.zip
  • 28. © 2018 SPLUNK INC. With Firefox, Chrome or Safari – head to http://127.0.0.1:8000 User = admin Password = changeme
  • 29. © 2018 SPLUNK INC. You’ve successfully installed Splunk and logged in! Let’s add the tutorialdata.zip via “Add Data.”
  • 30. © 2018 SPLUNK INC. You can also “Add Data” from Settings at the top.
  • 31. © 2018 SPLUNK INC. Click on upload.
  • 32. © 2018 SPLUNK INC. Let’s drag tutorialdata.zip into “Drop your data file here.”
  • 33. © 2018 SPLUNK INC. Click Next
  • 34. © 2018 SPLUNK INC. Splunk can auto detect the source type. Let’s change host field to buttercup-web01, and then click Review.
  • 35. © 2018 SPLUNK INC. Looks good, click Submit.
  • 36. © 2018 SPLUNK INC. Let’s Start Searching our data.
  • 37. © 2018 SPLUNK INC. We’re brought into a search with filters applied to search the data we just uploaded.
  • 38. © 2018 SPLUNK INC. Let’s type “buttercupgames” in the search bar, and double-click into a bar on the histogram.
  • 39. © 2018 SPLUNK INC. Notice the time picker changed with our drill into the histogram bar.
  • 40. © 2018 SPLUNK INC. Given that this data is web access, let’s do a string search for 400, which is a “Bad Request” code. Notice that there are 188 events returned (number will vary for you).
  • 41. © 2018 SPLUNK INC. Let’s also add 500 into the mix, and notice that my event count is higher now.
  • 42. © 2018 SPLUNK INC. We can see the 400 and 500 status codes, but other status codes also show up in our results. That’s because the string search doesn’t explicitly search for status values – it’ll string match any event that contains “400” or “500.”
  • 43. © 2018 SPLUNK INC. Let’s explicitly search for status codes equaling values we want to see returned.
  • 44. © 2018 SPLUNK INC. Great, we’ve now returned all the events containing the two status codes we searched for. Click on “Top values by time,” which will build out a timechart for us.
  • 45. © 2018 SPLUNK INC. Notice how our search query changed, there’s a | (pipe), and a timechart command added. The pipe followed by a command allows further operation on your filtered data set.
  • 46. © 2018 SPLUNK INC. Let’s change our search to: buttercupgames status=* And – drill into one bar on the histogram.
  • 47. © 2018 SPLUNK INC. Click on “top values by time” under the status field on the left, which will produce the timechart at right.
  • 48. © 2018 SPLUNK INC. Let’s exclude 200 status codes by adding AND status!=200, and change Line to Column.
  • 49. © 2018 SPLUNK INC. After changing from Line to Column, let’s Stack the results (middle stack under Stack Mode). Much better!
  • 50. © 2018 SPLUNK INC. Let’s now save this to a dashboard, a place we can go to view this search without having to remember what we had just searched for. Click Save AS -> Dashboard Panel. Fill in, and click Save. Then, View dashboard.
  • 51. © 2018 SPLUNK INC. Click on Search to get us back to our Search bar, and let’s key in: buttercupgames. Development wants to know what web browsers are being used to access the site, but no fields currently exist. No problem – let’s extract the browser field. Find an event that contains a value that you’re looking for, and click the “>” arrow just to the left of “Time.” The event will expand with a down arrow, and Extract Fields will be under Event Actions. Click Extract Fields.
  • 52. © 2018 SPLUNK INC. Click Regular Expression (Splunk will build a regular expression to extract our fields), and click Next. Highlight the value of the field you’d like to create, and let’s name the field: browser_type Click Add Extraction.
  • 53. © 2018 SPLUNK INC. Let’s verify that the extracted field contains values that are indeed types of browsers. Good, click Next to proceed. Now, open the permissions to “App,” which will allow users of the App the ability to leverage this extraction. Click Next.
  • 54. © 2018 SPLUNK INC. Success! Let’s explore the fields just created in Search, by clicking the link.
  • 55. © 2018 SPLUNK INC. You’ll now be taken to Search, with the filter set to the sourcetype that the field extraction has been applied to. Note – field extractions are coupled to a sourcetype. Click on “Top values.”
  • 56. © 2018 SPLUNK INC. Notice how the search changed. And, instead of a bar graph, we want a pie chart, so drop down the “bar” option and change it to pie.
  • 57. Let’s add this search to our dashboard, and then view the dashboard. Click Edit -> Edit Panels to drag the different panels to different positions.
  • 58. © 2018 SPLUNK INC. Let’s go back to search, and search for buttercupgames AND status!=200 (we want to see events that aren’t successful). Add the stats and where clause above, to return when there are more than 100 unsuccessful status codes.
  • 59. © 2018 SPLUNK INC. Let’s create an alert. Save As -> Alert. Fill out the Title, Scheduled, Earliest + Latest, and Cron Expression. Instead of 48, change to minutes a few ahead of your current time (i.e., if it’s 9:00 a.m., change to 05).
  • 60. © 2018 SPLUNK INC. Add to Triggered Alerts and Save.
  • 61. © 2018 SPLUNK INC. You should see an alert trigger once your scheduled search runs at the Cron expression you defined. * Note – it was mentioned that alerts wouldn’t work on a trial license. * Correction – alerts will work until the trial license expires.
  • 62. © 2018 SPLUNK INC. Let’s go back to search and: buttercupgames status=* | iplocation clientip We want to look up the clientip values against the MaxMind database to pull in City, Country, State, Lat, Lon of the IPs.
  • 63. © 2018 SPLUNK INC. Now, business is interested in seeing plots on a map of web users and what they’re doing with the website. Let’s append a geostats command that counts the events by the values of the action field. Pretty cool! This is definitely dashboard worthy Let’s add to dashboard.
  • 64. © 2018 SPLUNK INC. Awesome! Now we have a single pane of glass that Operations, Development and Business all care about – from one data source! Talk about value!