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I cant login to the Ubuntu 14.04 but I can access the guest user.

If I enter the correct password, it flashes and comes back to the same login screen and if I enter wrong password it mentions invalid password (so I'm not entering the wrong password)

I used disks to auto mount one ntfs partition using this guide before the issue started and I used mount point as /home. So I wonder if thats the issue.

Can boot in to the recovery but login using ctrl+alt+F1 didn't work , it says incorrect login. I am dual booting Windows 7 and Ubuntu 14.04 and can access windows.

(I did go through other threads with same issues but none of them worked)

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2 Answers 2

Reset to default
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Selected recovery from grub menu. Selected root shell.

Remounted it in write mode

mount -w -o remount /

Edited fstab

nano /etc/fstab

Saved it and restated and it is working fine now.

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Login as a guest user. Then look at the contents of /etc/fstab and delete the line with the mountpoint '/home' in it. You can do this by opening a terminal enter the command:

sudo nano /etc/fstab

Save the file. Then reboot and see if you can login. I don't know what you already tried to fix it but this could work. At the moment I can't test if you can edit fstab as a guest user so I'm not sure if it works.

You could also try the solutions in this post: Ubuntu gets stuck in a login loop The following command fixed it for me when my machine got stuck in a login loop.

dpkg-reconfigure lightdm

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  • AFAIK guest logins can't use sudo or obtain the rights necessary to execute dpkg-reconfigure commands. They will need to boot into recovery mode and repair /etc/fstab from a root shell. Note that it will be necessary to remount the root filesystem in read-write mode before editing the file.
    – steeldriver
    Jun 11, 2016 at 13:12
  • You are right, can't use sudo in guest.so how can I repair fstab from root shell in recovery.I'm still at the early stages of Ubuntu, so step by step command guide will be helpful.thanks.
    – balus
    Jun 11, 2016 at 16:05

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