# Encrypting Your Root File System on RASPBERRY PI - using LUKS & dm-crypt

**URL:** <https://community.zymbit.com/t/encrypting-your-root-file-system-on-raspberry-pi-using-luks-dm-crypt/150>\
**Category:** Encrypting File System\
**Created:** [May 15, 2017, 6:22am UTC](https://community.zymbit.com/t/encrypting-your-root-file-system-on-raspberry-pi-using-luks-dm-crypt/150 "2017-05-15T06:22:09Z")\
**Posts on this page:** 1\
**Showing post:** 184

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**Author:** ![Bob\_of\_Zymbit](https://avatars.discourse-cdn.com/v4/letter/b/82dd89/32.png) [@Bob\_of\_Zymbit](https://community.zymbit.com/u/Bob_of_Zymbit)\
**Post date:** [July 6, 2020, 7:31pm UTC](https://community.zymbit.com/t/encrypting-your-root-file-system-on-raspberry-pi-using-luks-dm-crypt/150/184 "2020-07-06T19:31:22Z")

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Hi Chris, you can use perimeter detect to lock down physical access to the SD Card in the PI. Once you have properly set things up, perimeter detect can take action from doing nothing, to sending an alert, or self-destructing. Check out this page for options:

> [@Using Perimeter Detect: Zymkey 4](https://community.zymbit.com/t/using-perimeter-detect/204):
>
> See [Zymbit’s Documentation Site](https://docs.zymbit.com/tutorials/perimeter-detect/zymkey4/) for the most recent Perimeter Detect documentation.

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