LCL 29 - grep - Linux Command Line tutorial for forensics

Linux Command Line tutorial for forensics - 29 - grep

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Difficulty Level: Beginner
Prerequisites: basic understanding of linux command line and networking concepts.

In this video, we will look at the commands to help you find strings or pattern within files.


Video timeline
00:00 intro
01:38 -i ignore case
02:29 -c count of matching lines
03:01 multiple input files
03:46 -l list files with matches
04:39 -r recursive search
05:27 -v invert match
05:27 -e expression match
07:01 -A n print n number of lines after the matching line
-B n print n number of lines before the matching line
08:10 -w matching whole word only
09:02 regular expressions (^ $ .)
11:57 BONUS: regex for valid IP4 addresses (range specifiers [], ?)
15:19 recap


interview with Brian Kernighan (https://www.youtube.com/watch?v=NTfOnGZUZDk)

⭕️ For other videos about the Linux command line, see other videos in this series: https://www.youtube.com/playlist?list=PLSbhiuoC0XgX70ZtgJ7d-1rLui0jZRabg

Linux distro:
CAINE  linux (http://www.caine-live.net)

Virtualization software:
Virtual Box (http://virtualbox.org)

? for a more in-depth dive into grep:
grep Pocket Reference from Amazon: https://amzn.to/3oHYqWC

This course was designed to provide information on how to use the command line environment in a Unix/Linux system to accomplish tasks such as imaging, data acquisition, and archiving.  his course covers the basics of Unix/Linux commands that allow users to view and edit text files, obtain hardware and system information, partitioning and formatting, process related commands, manipulating disks and partitions, imaging, archiving, logical acquisition, live system response, and basic networking.

This would be beneficial for folks who are interested in digital forensics, incidence response, system administration, ethical hacking, or just plain linux.  his course covers material for beginners as well as for advanced users. This course would also be helpful if you are considering taking the CompTIA Linux+ certification test.

DISCLAIMER: Links in this video description might be affiliate links. If you purchase a product or service using one of these links, I may receive a small commission at no additional cost to you. Thank you!


#dfir #linux #grep