I would like to know how i can create and iso from an extracted cd directory

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1

I would like to know how i can create and iso from an extracted cd directory
I have modified the rootfs and it boots but it can’t boot on efi , is there a solution about that?
I know how to make isos for debian or ubuntu but fedora must be different there is no isolinux
i have tried but the iso can’t boot on efi.

2

Before anyone can know what might have gone wrong it is necessary to know in detail what has been tried.

Please provide details – step by step