Updating Kali Linux on USB
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Requirements
In order to properly on a USB, persistence must be setup. If persistence is not setup, re-imaging the USB with an ISO from the build will be a suitable update.
Process
The best way to update Kali on a USB is to follow the same way you would on a full install.
First ensure that etc/apt/sources.list
is properly populated:
After that we can run the following commands which will upgrade us to the :
Using this, the kernel will not be updated however. If the kernel is needed to be upgraded, perhaps there is a security vulnerability patched, a re-write would be needed with the latest ISO. If there is data that is needed to be saved, an rsync to a separate storage device would be a good way to backup that data.