Hello
I have recently bought a development board from Orbbec which uses Lubuntu 14.04.
I have wrongly modified the /etc/sudoers file. Now the file is corrupted. I can't use sudo anymore. I cannot use su or pkexec because it requires a root password which I don't know.
I would like to reinstall the operating system.
I have created a bootable USB, but the device does not have a grub, so I cannot boot on the USB key. I cannot mount the iso in command line since I cannot use sudo.
Please someone, any idea what else I could try?
Thank you very much for your help.
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