If you wish to probe a network from the point of view of a specific machine, you usually need to reconfigure some switches to provide port mirroring and divert all traffic to a segment from where you can probe the it. Use cases are, for example, a tailored bootable Kali 2021.4 installation to be used as a repair, forensic or maintenance tool.

the system that boots from the USB drive does not need to chroot to a RAM disk the present Kali installation runs on the external drive as it would do on an internal disk in particular, you can install further packages with apt-get install, you can edit configuration files, and all these changes are permanent even if you boot from this USB drive on a different machine the next time you can also compile a custom kernel and install it on the USB drive. does not involve any “live” system, i.e.runs on any 64bit Intel/AMD machine that can boot from a USB drive, either using EFI boot or legacy boot,.is fully encrypted using luks, including encryption of the boot and swap partitions,.These instructions allow you to create a fully encrypted standalone installation of Kali Linux 2021.4 on an external USB drive. Standalone Kali Linux 2021.4 Installation on a USB Drive, Fully Encrypted

Install kali linux from usb