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You're reading from  Advanced Splunk

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Published inJun 2016
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ISBN-139781785884351
Edition1st Edition
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Ashish Kumar Tulsiram Yadav
Ashish Kumar Tulsiram Yadav
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Ashish Kumar Tulsiram Yadav

Ashish Kumar Tulsiram Yadav is a BE in computers and has around four and a half years of experience in software development, data analytics, and information security, and around four years of experience in Splunk application development and administration. He has experience of creating Splunk applications and add-ons, managing Splunk deployments, machine learning using R and Python, and analytics and visualization using various tools, such as Tableau and QlikView. He is currently working with the information security operations team, handling the Splunk Enterprise security and cyber security of the organization. He has worked as a senior software engineer at Larsen & Toubro Technology Services in the telecom consumer electronics and semicon unit providing data analytics on a wide variety of domains, such as mobile devices, telecom infrastructure, embedded devices, Internet of Things (IOT), Machine to Machine (M2M), entertainment devices, and network and storage devices. He has also worked in the area of information, network, and cyber security in his previous organization. He has experience in OMA LWM2M for device management and remote monitoring of IOT and M2M devices and is well versed in big data and the Hadoop ecosystem. He is a passionate ethical hacker, security enthusiast, and Linux expert and has knowledge of Python, R, .NET, HTML5, CSS, and the C language. He is an avid blogger and writes about ethical hacking and cyber security on his blogs in his free time. He is a gadget freak and keeps on writing reviews on various gadgets he owns. He has participated in and has been a winner of hackathons, technical paper presentations, white papers, and so on.
Read more about Ashish Kumar Tulsiram Yadav

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Subsearch


The search that is enclosed in a square bracket and whose result is passed as a parameter value to the search is called a subsearch. Basically, subsearches are used when the search requires some input that cannot be directly specified or that keeps on changing. Hence, another search query is written, and the result is passed to the original search.

Let's assume a user wants to know the location and IP address of top three users who have failed the login attempt. Now, the top three users who are failing the login will keep on changing, so subsearches are used. The subsearch will show the top three users that will be passed to the original search. This search will result in the location and IP address of those three users.

You will learn in detail how the preceding scenarios can be solved using various subsearch commands.

The append command

The append command of the subsearch category, as the name suggests, is used to append the result of one search with another search result. The subsearch...

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Advanced Splunk
Published in: Jun 2016Publisher: ISBN-13: 9781785884351

Author (1)

author image
Ashish Kumar Tulsiram Yadav

Ashish Kumar Tulsiram Yadav is a BE in computers and has around four and a half years of experience in software development, data analytics, and information security, and around four years of experience in Splunk application development and administration. He has experience of creating Splunk applications and add-ons, managing Splunk deployments, machine learning using R and Python, and analytics and visualization using various tools, such as Tableau and QlikView. He is currently working with the information security operations team, handling the Splunk Enterprise security and cyber security of the organization. He has worked as a senior software engineer at Larsen & Toubro Technology Services in the telecom consumer electronics and semicon unit providing data analytics on a wide variety of domains, such as mobile devices, telecom infrastructure, embedded devices, Internet of Things (IOT), Machine to Machine (M2M), entertainment devices, and network and storage devices. He has also worked in the area of information, network, and cyber security in his previous organization. He has experience in OMA LWM2M for device management and remote monitoring of IOT and M2M devices and is well versed in big data and the Hadoop ecosystem. He is a passionate ethical hacker, security enthusiast, and Linux expert and has knowledge of Python, R, .NET, HTML5, CSS, and the C language. He is an avid blogger and writes about ethical hacking and cyber security on his blogs in his free time. He is a gadget freak and keeps on writing reviews on various gadgets he owns. He has participated in and has been a winner of hackathons, technical paper presentations, white papers, and so on.
Read more about Ashish Kumar Tulsiram Yadav