Technical requirements

The code for this chapter can be found at https://github.com/PacktPublishing/Bash-Shell-Scripting-for-Pentesters/tree/main/Chapter16.

This chapter will utilize a Kali virtual machine with GitLab and Bash scripts for running security checks and monitoring. Configure your Kali Linux virtual machine with at least the following:

• 4 GB RAM
• 30 GB storage
• Two virtual CPUs

Once you have a working Kali installation that meets or exceeds the preceding specifications, run the ch16_setup_environment.sh script found in this chapter’s GitHub directory. We’ll review the script later in this chapter.

Next, configure the system email:

1. Run the ch16_setup_mail.sh script. This script can be found in the GitHub repository directory for this chapter.
2. Test sending yourself mail:

   $ echo "Test message" | mail -s "Test Subject" $USER

3. Check your mail:
   1. Enter the mail command in the terminal
   2. Press the Enter/Return...