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January 2018

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Sender:
Mailing list for Scientific Linux users worldwide <[log in to unmask]>
Date:
Wed, 24 Jan 2018 16:41:30 +1100
Reply-To:
Bill Maidment <[log in to unmask]>
Message-ID:
<[log in to unmask]>
Subject:
Problem recreating grub2 menu in SL7 dual boot with Win10
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From:
Bill Maidment <[log in to unmask]>
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Hi
In fear and trepidation I ran a BIOS update on my Acer Aspire A515-51G from the Win10 part of my dual boot (only Win10 can update the BIOS). On reboot, all I get is Win10 (Surprise! Surprise!).
So I booted into an SL7.4 USB recovery mode with chroot /mnt/sysimage and tried grub2-install /dev/sda only to be told /usr/lib/grub/x86_64-efi/modinfo.sh doesn't exist.
It appears that I need to do yum install grub2-efi-modules (why wasn't this done before? I ask).
Anyway, how do I install this while in rescue mode, which doesn't seem to have network access? Or is there a network enabling option for rescue mode (like there was in SystemRescueCD)?
Am I being dense in my old age?

Cheers
Bill Maidment

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