Every time I try to log in the password is invalid at login.

The password works ok in tty and boot etc. but not in log in screen. The guest session opens up ok. I tried altering password in grub menu: no joy.

I tried everything posted but no luck yet. Do you have any ideas. Thanks!

  • operating system ubuntu 15.10 – vernon Feb 25 '16 at 17:06
  • Do you have any special character in your password? Or, in other words: are you sure the layout of the keyboard in the graphical environment reflects your real keyboard? If you are not sure I will show you how to do it: what do you use, Gnome, KDE, Mate,... ? – MariusMatutiae Feb 26 '16 at 7:28


sudo chmod -R ug+rwx /home/[username]
  • chmod:cannot access /home/[username]:No such file or directory – vernon Feb 25 '16 at 19:58
  • well I hope you substituted [username] with your username, I am sorry to have not mentioned this in the answer. – Jay T. Feb 25 '16 at 20:01
  • Command line having to use in tty1 – vernon Feb 25 '16 at 20:13
  • Yes used my username – vernon Feb 25 '16 at 20:17
  • 1
    @JayT. Recursively changing the permission is a pretty bad idea btw – Tom Yan Feb 26 '16 at 3:02

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