Job scheduling on a Linux system with cron - crontab file tutorial
Job scheduling on a Linux system with cron - CLI 55 - crontab file tutorial
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Difficulty Level: Intermediate
Prerequisites: basic understanding of linux system usage
basic understanding of sudo usage (see this tutorial: • gaining root access on a Linux system - su... )
In this video we are going to be looking at using the crontab file and how that determine what types of processes are periodically started on a Linux machine. Analyzing these jobs can reveal unauthorized presence or malicious actions that are being run on your system.
Video timeline
00:00 intro
01:21 crontab files (/etc/cron*)
05:43 individual crontab files
06:36 running cron
11:53 BONUS 1: anacron
12:57 BONUS 2: user access
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#DFIR #linux #crontab