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RHEL 7.5 bootloader error. grub error

hammamhammam Posts: 1
edited February 23 in Red Hat Enterprise

Hi all,

 for some reason I used the disk utility on rhel 7.5 to change the partition type of a usb,

next boot I found that my boot partition has been deleted and the system was not able to boot,


a grub error


I used the installation media to enter the rescue mood trying to setup the boot partition again,


I typed the following commands

ls /dev/sd*

ls /sbin | grep grub2

/sbin/grub2-install /dev/sda


and got the following error


error: /usr/lib/grub/i386-pc/modinfo.sh does not exist. please specify --target or --directory.


please some one can help with that 

I googled it several times but couldn't find a solution

thank you

Hammam

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