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    Here is an easy way to restore things if you have the starting point and size of each partition using fdisk: In this example we pretend that /dev/sda was wiped out, but the running system still has the info in /sys/class/block/sda Go into each partition and record the "start" and "size" hostdev@box /sys/class/block/sda/sda1 $ cat start 2048 hostdev@box /sys/class/block/sda/sd........
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    Use fdisk on your USB drive to create a bootable NTFS partition (in my case /dev/sdb): sudo fdisk /dev/sdb Welcome to fdisk (util-linux 2.27.1). Changes will remain in memory only, until you decide to write them. Be careful before using the write command. Command (m for help): n Partition type p primary (0 primary, 0 extended, 4 free)........
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    grub> root (hd0,0) root (hd0,0) Filesystem type is ext2fs, partition type 0xfd grub> setup (hd0) setup (hd0) But if you do: root (hd1,0) setup (hd1) it does work, I think hd0/sda had a GPT partition that was not removed properly (what I did was just dd bs=512 count=1 the partition table from another drive since the partition table should be identical). Checking if "/boot/grub/........
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