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  • Joe1
    Joe1 replied to a discussion, Boot Loader Install Failed

    I tried to install grub2 from the command line as follows
    grub2-install --recheck --no-floppy --root-directory=/ /dev/sda
    i got a message
    grub2-install error hostdisk/sda appears to contain a ufs filesystem which isn't known to reserve space for dos-style boot

    I found the following solution at http://askubuntu.com/questions/126146/i-cant-install-grub2
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    It appears that you somehow got an iso9660 filesystem header written into your hard disk's boot track. Since your first partition starts at sector 2048, and you are using the conventional msdos partition table, you can eliminate it by writing zeros to sectors 1-2047 with the following command:

    sudo dd if=/dev/zero of=/dev/sda bs=512 seek=1 count=2047

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    I ran this command. After that then Clearos 7.2 installed!