I am trying to change rootfs to RO on DietPi ver 6.24 but gets a - mount: / is busy.
It is a fresh install, and my video looper (which actually reads the video file from a USB stick) is the only program I am going to use, and it makes no difference if it is stopped.
I have deleted the swapfile through dietpi-drive_manager (which appears to set swappines=1) so what do I have to do to change the fs to RO?
I am doing this remote over ssh - is that a problem having Dropbear running, or what have I overseen?
I have now tried to login directly via console, disabled the only program installed in autostart, stopped Dropbear, and changed to the /boot partition before running dietpi-drive_maneger - but with the same result.
So is it at all possible to make rootfs read only?
And trying manually to change fstab, so it should be RO from next boot totally makes it crash under startup.
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