![]() ![]() If we need to revert to the original configuration we can smile delete the configuration file that we created. Of course, we now need to type both the username and password to login. You will be returned to the login screen and we will see that we now have the desired state. I recommend using sudoedit /etc/xinetd.d/tftp instead. If yours doesnt, you can create the file first with sudo touch /etc/xinetd.d/tftp. From here we can restart the lightdm using the command: $ sudo service lightdm restart 2 Answers Sorted by: 4 My version of gedit (2.22.3) does create the file if it doesnt exist. We can log on to the text console as your user, in my case tux. If you are using VirtualBox on OS X you can use: Left CMD + fn + F1 If you are using VirtualBox on Windows you can use : Right Ctrl + F1 Use Ctrl+Alt+F1 to access the tty1 console. We will need to do this from a physical console. We can reboot the machine or we can choose the restart the display manager. ![]() With this setting saved and in place we are ready to go. We can see this configuration in the screenshot: The file should read as in the following: The Initial line just sets the header for the area the configuration that we work with. We want to ensure that we do not display the user list or, to put it another way that we hide users in the from the list. This will be a new file so will open without content. We will use the vi text editor but feel free to use nano should you want: $ sudo vi /etc/lightdm//nf After ticking the option, the hidden files will appear. The other way is to click buttons to unhide files. To show the hidden files using the keyboard shortcut, press Alt + H. In the example we are using Ubuntu 14.04 LTS.įirst we create the directory for the custom configuration: Ticking Show Hidden Files from the view options. We can create are own custom configuration in the Ubuntu desktop quite easily and we do not need to edit any existing configuration allowing use to revert at any time should we need. This is not desirable in a corporate environment. Additionally, the Guest account can be used by anyone without a password. The user list may be populated from an openLDAP directory or even Active Directory and we can see that this would be crazy to attempt to deploy the complete user list from a directory. On corporate desktops it is is both insecure and impractical to display the users list. ![]()
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