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For 14.04 use the following command to set lightdm back to normal sudo /usr/lib/lightdm/lightdm-set-defaults --greeter unity-greeter reboot for the changes to take effect This works for going from xubuntu and back to unity-greeter ubuntustudio and back and kubuntu back to unity-greeter as well.


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You can install another display manager such as LightDM, MDM, Slim, GDM sudo apt-get install lightdm select LightDM sudo dpkg-reconfigure lightdm You can add greeters to have nice themes How to change the LightDM theme/greeter? There is also lightdm-kde-greeter mentioned here How do I install KDE and retain LightDM as a login manager?


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open the terminal crt - alt T and use the commnad chfn to add Real Name in /etc/passwd, open /etc/login.defs (as root) and look for the line containing CHFN_RESTRICT. Change whatever is followed to frwh. This will allow changing Real Name from KDE System Settings.


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What I did to fix it was to go to recovery mode, enable networking, press yes, the terminal appears on the bottom half of the screen, I pressed ctrl + C then after a few seconds the desktop appears... the first thing I do is to install the ati driver, restart, and now it works!


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If you can't login normally because a file 50-unity-greeter.conf has been impaired, you can try this: PressCtrl+F6 Input Login and your password Type startx Open any directory and go to a hardDisk and search greeter. When you see for example: unity-greeter_14.04.10-0ubuntu1_amd64.deb, or anything like greeter.deb, execute this file. reboot and that's ...


-1

Try this: sudo chown root /etc/shadow sudo chmod u=r,g=r /etc/shadow


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The answer was to delete the ~/.Xauthority file, as in this case.


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Yes. Go to System Settings -> Keyboard -> Shortcuts -> Custom Shorcuts, then add a new one. In the "what command to be executed" line, type: dm-tool switch-to-greeter And then assign your chosen keypresses to it. Reference


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This isn't a direct answer, but instead of lockimg, you can use switch user screen, and set a shorcut for that. Go to System Settings -> Keyboard -> Shortcuts -> Custom Shorcuts, then add a new one. In the "what command to be executed" line, type: dm-tool switch-to-greeter And then assign your chosen keypresses to it.


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I have been experiencing the very same problem a couple of times every week and have tried most of solutions given here but the only way I can log back in is by restarting lightdm. sudo service lightdm restart. The funny thing is that even after I restrat lightdm, it does not log in on the first attempt but only on my second attempt even though I am ...


2

System Settings -> User Accounts -> slide the automatic login button to off Alternativelly, Open the command line / terminal (Ctrl+Alt+T) Enter the following command sudo nano /etc/lightdm/lightdm.conf You should see in there something like [SeatDefaults] autologin-user=yourusername where yourusername is your actual username. Remove ...


1

Your system has been set to automatically log you in - this was a choice you probably made at install time. You can switch desktops by choosing logout (not shutdown or reboot) which will take you to the login screen where you can then choose a desktop. Choosing a desktop is persistent - next time you reboot it will take you back to the desktop you have ...


8

Just go to System Settings -> User Accounts and disable automatic login. That way, you will always be prompted for the password and it's in that login screen you can choose which environment to login to.


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I believe the problem is that you're missing one line in your code. [SeatDefaults] allow-guest=false So how can you edit lightdm.conf again ? Option #1: Command line has a wonderful text editor called nano. You can learn more about it later using man nano, but for now, log into tty1, like you already know, and do the following: sudo nano ...


0

ctrl+alt+F1 $ sudo service lightdm restart ctrl+alt+F7 or F8 if the lightdm still doesn't show up re install it $ sudo apt-get autoremove lightdm $ sudo apt-get install lightdm sudo dpkg-reconfigure lightdm ok ==> chose lightdm the $ sudo apt-get update && sudo shutdown -r


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If you installed two keyboard layouts, you should see a white square in the top right corner of your login screen showing the one that is active right now. In this case, it would say Ru. If you click on that you may be able to choose the English keyboard layout. I hope that helps.


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Open the boot options and then try to open your system in advanced->recovery mode and if it opens then remove the password using the GUI choose the options from the settings to log into directly and then again try the normal boot. This might help.


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Assuming a recent Ubuntu version and trouble with signature on the kernel or initramfs... Boot, press shift to display the grub boot menu where you should see Advanced options for Ubuntu ... use the arrow keys and select it, then press enter. A new menu appears, I hope you have several entries like Ubuntu, with Linux ... NOTE: the ones having a ...



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