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In some cases, your computer may display an Ubuntu login error message. This problem can be caused by a number of reasons.
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g.Press Ctrl + Alt + F7 to return to the Surf screen, which should now look different. Is the connection working? If so, then your personal problem is solved! If not, go back to the full screen terminal (Ctrl + Alt + F2 again) and move sudo dpkg-reconfigure lightdm to restore LightDM exactly as you are in the connection manager.
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One of the most common and arguably the most annoying errors that Ubuntu users encounter is the connection startup loop. If you try to log into Ubuntu after starting it, You will be taken directly to the same connection test, and the process will repeat endlessly.
It might seem like you’re out of luck, but there are several ways to stop the loop. The most common cause is a weird permissions issue with the report that Ubuntu requires to run the graphical desktop. You can close it by entering the command line shell and also by correcting the file permissions. This is an instant fix and it works in many cases.
Connect To Shell
How do I get to the login screen in Ubuntu?
When you get the prompt (try “Ctrl + Alt + F1” or “Ctrl + Alt + F2”, my GUI is usually on Ctrl + Alt + F7), you can try sudo to start the login screen with the lightdm service starting … If this value works, you might have a completely different problem, reinstalling the display manager might fix the errors.
Start Ubuntu as usual. Let it go to the login screen. Then, once there, don’t log in. Instead, move Ctrl + Alt + F3 on your keyboard. Ubuntu will exit the visual login screen and end up in a black and white terminal. Your
What is the default login for Ubuntu?
Usually Ubuntu is just a username and password. if not, it identifies Ubuntu and then enters a blank password to guess it. This does not apply to the LiveCD for the installed system, unless otherwise noted.
Enter your username at the command line, and then enter your password when prompted. They are presented on a familiar terminal screen. You navigate here in the same way as in the windows of your graphical terminal.
Check The Permissions Of All Xauthorities
The file you need to dengi is located in the root of your / home folder. After entering, you should be there. This file is a hidden “point file”, you will need to use the correct flags to find it. Search with ls
and, as a result, grep
in the following command.
You should see the file type listed first, permissions by username, and the group that specifically has it. If you see “root” here, then you have found the source of our own problem.
Change Xauthority Permissions
Now that you understand the cause of the problem, it’s time to fix it. User and group must own this Xauthority file, not root. You can change the owner by running chown
with sudo.
This should be fine, so you can reconnect. Press Ctrl Alt + + F7 to return to the regular login screen. Log into Ubuntu!
More Options
If that didn’t work, or if your Xresources file was owned by your typical corporate user, you have a few other options to try. E It isn’t necessarily guaranteed either, but it’s worth a try.
Change “/ Tmp” Permissions
Sometimes the same problem occurs in the “/ tmp” folder, where vendors temporarily use files used by your computer, and also in the Xauthority folder. The plot process is very similar.
Go and re-enter the terminal. Then look at the “/ tmp.Looking”
permissions. TO
You have specific permissions on the top record unique to “.” If they look like “drwxrwxrwt” then everything is fine. Otherwise, you would have to chmod
reset these guys to this state, including sudo.
Change Display Manager
If you forget everything else, you can finally try changing the display manager. This was a more common problem shortly before Ubuntu 17.10, when it switched to GNOME and GDM for connections. However, the high standard is the exact standard for some versions of Ubuntu LightDM. On the other hand, if you are using GNOME and GDM, you can try LightDM. Enter the engraving terminal. From there, install the Display Manager that users capturetry it. During installation, Ubuntu will ask you if you want to switch back to Switch. OK.
Hopefully one of these methods will fix the problem and you can log into Ubuntu normally.
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ls -lah | grep-really Xauthority
sudo chown username: .Xauthority username
com / avatar / cce44ca466a72d799b4e426e4eb7f1b3? s = 192 & d = mm & r = g Nick Congleton
Nick is a freelance writer. Journalist, Linux enthusiast and longtime PC gamer.
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