Proxmark3 easy support on Chromebook

Hi all, this is my first post. Would like to ask if anyone have used the linux development environment from a chromebook to connet to the proxmark3 easy?
i did everything a linux environment requires to install it but when running pm3 it says i do not have the required permission to launch.
it works on the offline mode but not when trying to connect to the proxmark easy card.

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A quick Google search suggests you need to turn on a setting somewhere to “share devices with Linux”

The devices may be mounted to: /mnt/chromeos/

Does the PM3 seem to show up there if you do all that?

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this shows on mnt chromeos

ebas@penguin:~$ ls -l /mnt/chromeos
total 4
drwxr-xr-x 12 nobody nogroup 4096 Jul 18  2022 fonts
ebas@penguin:~$ cd proxmark3
ebas@penguin:~/proxmark3$ pm3
[!!] Script cannot access /dev/ttyXXX files, insufficient privileges
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What does ls /dev and/or lsusb say when the PM3 is plugged in?

[!!] Script cannot access /dev/ttyXXX files, insufficient privileges

That sounds odd to me, did you do the make accessrights step?

Also, disclaimer, I don’t have much experience with Chromebooks

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ebas@penguin:~$ ls /dev
bus      dri   fuse     log     net   pts     snd     stdout   wl0
console  fd    initctl  lxd     null  random  stderr  tty      zero
core     full  kvm      mqueue  ptmx  shm     stdin   urandom
ebas@penguin:~$ lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

i dont understand whicone of this is the proxmark since it is connected but i do not have the tab to do the share with linux option only this from terminal

---- yes i did the make accessrights too but still not works
:smiling_face: thank you so much for your help, i do not have much experience with chromebook either

the proxmark works fine with my windows computer it read and connects right away

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None of those look to be the PM3 to me

This help post:
https://support.google.com/chromebook/thread/234940212/external-drive-on-linux?hl=en

suggests opening chrome://os-settings/crostini/sharedUsbDevices in a browser and seeing what shows up

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