Best splunk tutorial - Splunk tutorial videos - Splunk - Class 2

Published: 24 February 2020
on channel: Academy 2020

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Best splunk tutorial - Splunk tutorial videos - Splunk - Class 2:
• Best splunk tutorial - Splunk tutoria...

Splunk tutorial for beginners:
Hello everyone, welcome to yet another interesting session by Intellipaat.
In today's session, we will
discuss why Splunk?
What is Splunk and its components?
The working mechanism of Splunk
and use case?
Hands-on exercise to input the
data from local machine.
Career opportunities in Splunk?
Before moving to why we need Splunk?
Let us see, what Splunk is?
Have you heard the word Splunk?
Splunk is a software or tool that is used
to analyze the machine data.
But have you ever thought that,
why do we have to analyze the machine data?
You must be aware of the exponential
growth in machine data over the last decade.
This was mainly because of the
growing number of machines and the usage of
IoT devices.
And analyzing the data is needed because the solution to the different problem is hidden
in machine data.
Analyzing this machine data
will help us to understand the
customer behaviors and their requirement.
Which will, in turn, help us to provide better
service.
This machine data will help us to alert the
system admins about any security
issues and system failures.
Analyzing machine data also helps us to improve machine functionality.
However, analyzing machine data is not a simple task.
So, how do we do that?
Let us see, how to do that?
Consider that you are working as a system
administrator in some organization.
In an organization, the data can be generated from different sources, such as sensors,
network devices, cloud
services, internet of things
and mobile services.
And the data generated from these resources will be in the form of unstructured machine
data.
For example, machine data looks something
like this.
Let us say, failure occurred on any of the
one systems and you have to find the solution
for it.
It will be very difficult for you to find
out, in which step the hardware failed the
program.
Machine data is:
Complex to understand
In an unstructured format and
Not suitable for making analysis/visualization
So, what do you think, how this can be resolved?
In this case, we need a tool that understands machine data and help us in identifying where
exactly the hardware or software has failed.
Ad we discussed already, this can be resolved
by using Splunk.
Splunk is a tool in which the
machine data is processed to extract the human
readable form of data.
This will help you to analyze the problems.
Whenever you are looking for state of any
software or hardware, you will search for
logfile which will help us to understand the
state of the software.
Splunk can be defined as a Google for log
files.
That is, Splunk makes machine data available to IT infrastructure.
The Primary components of Splunk are:
forwarders, indexers and search heads.
Forwarders are responsible for
collecting the data and forwarding it to other
Splunk instances or indexers.
The indexers are the place where
the data is stored.
However, we cannot just access the data from indexers, we need to have search
heads which will help us to analyze, visualize and report the data.
Splunk will help the user to leverage the
machine data in:
Analyzing the system performance
Identify the failure conditions
in the system
Monitor the business matrix
Search and investigate a reason
Helps in visualizing the data
and creating dashboards of results
It can also store the data for
future references
Now, let us see how Splunk works?
We have a data that is stored in machines
which can be in form of logs,
databases, views or API clauses.
On the other hand, we have users
who act as information dividers from various
sources.
The business operations need
graphs, images, pivots, and dashboards to
make better decisions for business.
So, what you think, what acts
as a bridge between data and users.
Yes, it is data indexes.
Or you can think that, it is a table of databases.
And this is how the data is stored in the
machines.
Once we store the data, we can extract
the data using search
processing language or SPL.
All the data in the machine will be now stored in the form of events.
Once this data is retrieved from the machine you can edit, calculate or concert according
to your needs.
This technology is not only easy to implement
but also provides a wide spectrum of services to its users.
Some of those are, Indexing data
Facilitates searching and investigating
Mapping knowledge to search
Scheduling alert Prepare and share Splunk reports
All these days, we have seen storage devices
get better and better over the
years, we have seen processors become more
efficient with every aging day,
but not data movement.
Splunk is a handy tool to do
this.
You might be wondering why organizations are
opting for Splunk.
Well here are some of the benefits of Splunk.
It started working as the "Google"
for log files.
Thank you for watching this video.
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