On 6/14/20 9:40 PM, Robert McBroom via users wrote:
On 6/14/20 3:12 PM, Samuel Sieb wrote:
On 6/14/20 9:39 AM, Robert McBroom via users wrote:
Copied my fedora 29 system to an SSD partition. Booting takes me to
Grub-rescue>
SuperGrub2 2.04s1 finds the system and boots it but it is read
only.?? Knoppix reads and writes to the system with no problem. Used
Knoppix to fix /etc/fstab and grub.cfg. I think grub-install is
needed from fedora but have to be able to write to the drive.
You need to provide more details. What do you mean it's read only?
And grub-install write to the raw hard drive, not to a filesystem. A
Fedora live boot or a net install rescue boot is a good way to fix
things.
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Any attempt to write to the system gets a message that the file system
is read only. grub2-install /dev/sda fails trying writes to
/boot/grub2/i386-pc. ls -l gives a list that looks completely normal
with the expected permissions owners and groups.
Oh, right, it wants to set up the modules too.
What does "mount" show? Try running "mount -o rw,remount /". Or use
"/boot" instead if you have a separate partition for it.
The simplest method though is still to download a Fedora net install
image and use the rescue mode. It sets everything up for you to chroot
to the installed system and run whatever you want. Just be aware that
it will do a full relabel on reboot. If you're sure you didn't change
anything important, you can remove the /.autorelabel file before rebooting.
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