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You are in emergency mode. 
After logging in, type "journalctl -xb" to view system logs, 
"systemctl reboot" to reboot, "systemctl default" 
or ^D to try again to boot into default mode"<

The output of sudo blkid and cat ../etc/fstab on my screen:

screenshot

Don't know how to insert blkid and /etc/fstab content here.

1 Answer 1

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  • boot to GRUB Recovery mode
  • choose root access

type:

sudo mount -o remount,rw /        # to remount the disk as rw

sudo cp /etc/fstab /etc/fstab.BAK # backup the fstab file first

sudo pico /etc/fstab              # edit fstab

edit the entry for:

change the UUID for/usr/local, to the UUID shown in sudo blkid for /dev/sdb2

note: having a separate partition for /usr/local is very unusual.

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  • The user is already running a superuser-privileged shell. It is pictured in the question. There is no need to reboot or indeed involve GRUB at all.
    – JdeBP
    Oct 25, 2018 at 10:22
  • @JdeBP I don't understand your point. And how does it change my answer? Everything there will fix the fstab.
    – heynnema
    Oct 25, 2018 at 13:47
  • You don't understand how there is no need to reboot relates to your instruction to reboot?
    – JdeBP
    Oct 25, 2018 at 14:19
  • @JdeBP I have no instruction to reboot. I have instructions to fix the problem from a cold start. It's a known starting condition... not some arbitrary emergency stop, where you don't know the actual condition of the machine.
    – heynnema
    Oct 25, 2018 at 14:24

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