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… due some login problems. I just remove and reinstalled unity-greeter successfully, but now I cannot login in graphic mode with the default user I already had. Does anyone knows why is this happening or what can I do to fix this? A workaround in the web I found that changing the autologin-user=mylocaluser in 50-unity-greeter.conf it would solve this issue but nothing worked.

In terminal mode (Ctrl+Alt+F1) I can change users passwords but still I cannot login in graphic mode.

David Foerster
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marcohnunez
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  • When you log in to the terminal using (Ctrl-Alt-F1). You can start the GUI by running the command startx I just tried this on my VM but the problem is whether or not the HUD actually shows up... It seems that it doesn't for some reason. I know in other OSs like Raspbian if you use startx then It'll have its full DE pop up. – Jacob Bryan Nov 20 '14 at 17:18
  • startx works but just gave me the ubuntu wallpaper only, no sidebar, no options at right upper corner...clicking the right mouse button I could "change" things but closing the all settings window the ubuntu wallpaper was the only thing I can have...any suggestions??? – marcohnunez Nov 20 '14 at 18:08
  • For more info about this, please log in on a virtual terminal (Ctrl+Alt+F1), then switch back to grapical mode (Ctrl+Alt+F7 or F8) and try to log in. Switch back to virtual terminal and post the last lines of /var/log/auth.log that are related to your GUI log in attempt. – David Foerster Feb 22 '15 at 23:39

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Try deleting the .Xauthority file from your home directory and reboot. rm .Xauthority

Tobias
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  • Tobias, I did what you've said but nothing, I'm still inthe login screen...just said "Failed to start session" it didn't accepted the password I changed in Ctrl-Alt-F1 mode...any suggestions are welcome – marcohnunez Nov 20 '14 at 18:12
  • It's definitely a . file or folder in your home directory, but which one I can't say for sure. You could temporarily moving all of them to a different folder. – Tobias Nov 20 '14 at 18:17
  • if I move them all anywhere, what would the next step?? reboot?? all the files and folders belongs to the user I have...root and guest users not active – marcohnunez Nov 20 '14 at 19:04
  • You can just move to another folder within your home directy, but yeah, reboot and try and login. – Tobias Nov 20 '14 at 19:11
  • I moved them all including the hidden ones, but still can't login, do you think If I enable the root user would help??? – marcohnunez Nov 20 '14 at 19:54
  • That is very odd. And no, I don't think the root user will change anything. At this point I'd delete the user, make a new one and copy the files over. – Tobias Nov 20 '14 at 20:06
  • I did it, but the issue remains...I don't wnat to format the HD for this... – marcohnunez Nov 21 '14 at 17:49
  • If the issue persists across multiple users, the issue lies elsewhere. Could be to do with your desktop environment, or perhaps the unity-greeter config, I'd have a look at those. – Tobias Nov 21 '14 at 19:33
  • where are those config files?? to send you over – marcohnunez Nov 21 '14 at 19:42
  • I'm afraid I don't really know enough about that to help you, but I'm guessing you didn't fully restore unity-greeter, check out this thread perhaps: http://askubuntu.com/questions/403477/restore-unity-greeter One of the answers suggests sudo dpkg-reconfigure lightdm that might help. – Tobias Nov 21 '14 at 21:14
  • I did what you as you told, but nothing...after all that I reinstall 14.04.1; I couldn't find a solution...thanks a lot for your support – marcohnunez Nov 28 '14 at 15:31
  • sorry I mistyped....I did as you told....that what I was trying to say – marcohnunez Nov 28 '14 at 15:32