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Lab 42.2
Battogtokh
Posts: 23
Hi, I am having trouble with updating /boot/grub/grub.cfg file on Ubuntu 16.04. I tried rescue mode, but it is still doesn't accept my edit because it is "Read only" file. I tried /etc/default/grub, but there is nothing to change for UUID. Please advise where I am lost. I googled for hours to get through it. But still scratching my head ...
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Oh i see that file can be updated with :wq! in vim, even it is readonly. Please advise what else I could try updating read only files?
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Hi Battogtokh,
You can use the following command to remount a partition as read write:
mount -o remount, rw /
In case that you want to remount the root partition as read-write.
Regards,
Luis.
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