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Questions tagged [login]

Questions related to logging into a user session or shell, for example at the graphical login screen that normally appears at the end of the boot process

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Kubuntu shows error at login (file:///usr/share/sddm//themes/breeze/Main.qml:No such file or directory)

I moved over to the latest Kubuntu release and after successfully installing everything I removed some unwanted packages. However after a reboot I was stuck at the login screen showing an on screen ...
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10 views

Failed to start session, WiFi down

All of a sudden I receive a "Failed to start session" on Ubuntu when I login with lightgdm. I googled solutions, and they all tell me to reinstall ubuntu-desktop, however it seems like my WiFi card ...
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14 views

ubuntu 18.04 logs into a black screen. The desktop appears when I restart my monitor. Any fixes?

Suddenly I see a black screen after password login. I have to restart de monitor to see the desktop.
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8 views

while trying to use 2 monitors with nvidia's xorg.conf, when trying to login why it fails and how to fix?

I ran nvidia settings and generated the xorg.conf merged file with the result of X :1 -configure and copied it to /etc/X11 what overrides automatic X configuration. then I ran sudo service lightdm ...
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1answer
31 views

Can’t login to GUI but can on tty

I use Kubuntu. I can’t login to GUI but can on tty mode, I check the log and it show this log: invalid session "/var/lib/sddm/.desktop" The output of journalctl -xe:
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41 views

Double-login on 18.04?

For the past week or two, I've noticed my login process to be slightly different than normal. This made me wonder if there is a security issue I should worry about. So I started searching here, but ...
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8 views

Automatically suspend 18.04.1 at idle login screen

This PC is often left in a logged out state at the login screen. I have set power options to automatically suspend on idle, and these do work if a user is logged in. They do not work if the computer ...
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25 views

Display a terminal window after login on a Live Lubuntu

I'm currently customizing a Live Lubuntu USB. I've added Autostart commands to rc.local and they run perfectly fine, however, I have a dd command that runs on Autostart as well that takes a lot of ...
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1answer
13 views

18.04 fresh install login loop, no mouse, slow keyboard input, geForce gtx 1060

I've just bought a new PC: ASRock H370M-ITX/ac 1151-2 Mini-ITX Motherboard Intel Core i5 8600 Hex Core LGA 1151-2 3.10 GHz CPU Processor MSI GeForce GTX 1060 6GT OCV2 6GB Video Card Ubuntu ...
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Stuck on Ubuntu splash screen after removing unity-greeter

I am using ubuntu 18.04. I installed unity-desktop for some time and then uninstalled it. I selected lightdm while installing unity. Even after removing unity-desktop there was still unity login ...
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Choices on login screen

On my login screen if I click on the cogwheel I get five choices: Gnome, Gnome under Xorg, Ubuntu, Ubuntu under Wayland, Unity I usually work with Ubuntu under Wayland but sometimes need to check ...
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43 views

Boot login loop 18.04

I am having the same issue stated elsewhere concerning a loop at login. I boot up my machine, enter my password, the screen goes black, and returns to login. I can access a terminal using Ctrl+Alt+F2....
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18 views

Cannot login to a remote server through ssh(keeps waiting after entering the passphrase)

When I tried to log in to my remote server via ssh, I enter my password it keeps me waiting nothing happens after I enter the correct password. So I typed the command ssh -v username@ipaddress to see ...
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33 views

Ubuntu 18.04 automatically logs out after about 1 minute

My computer shut down because the battery run out while the charger wasn't connected. Now, when I start a session several things are wrong. 1) Worst of all, it logs me out automatically after a short,...
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9 views

Ubuntu logging out everytime I enter a folder from the GUI

After I solved this problem with the answer there, another problem is present on Ubuntu Mate running on Odroid. Every time I try to open any folder (the ones I just created or home folder), Ubuntu ...
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0answers
68 views

How to change Ubuntu 18.04 login screen theme

I am not satisfied with the default Ubuntu look and replaced it with Adapta GTK theme, Papirus icon theme and Breeze cursor theme (like in Manjaro Linux), so it looks good now (at least for me). But ...
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60 views

Login screenPassword field freezes when in an area without any known WiFi and no cable. 18.10

Login screen password field freezes when in an area without any known WiFi and no cable on 18.10. If I connect my cable once and log in, then supply a WiFi password, I am able to log in without ...
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47 views

Ubuntu 18.04 login loop on one user

I just recently upgraded to 18.04, leading to one of my user being stuck in a login loop despite correct password. Meanwhile my other user logs in just fine. Any help to remedy this issue would be ...
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1answer
31 views

lightdm-kde-greeter on multiseat do to let two simultaneous users login

I have two graphics cards, two monitors and some pairs of input devices. Till weeks ago they were working fine. Also with two simultaneous user logins. Now they behave strange: When user1 logins on ...
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20 views

Avoiding Login Loop with Ubuntu 16.04 NVIDIA GPU Driver 390 install

I installed ubuntu 16.04. Immediately, I installed NVIDIA graphics drivers using ppa for nvidia-390 (I have a GTX 1080ti). Upon reboot, I end up in a login loop. I enter my password and after a few ...
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15 views

Auto login on Ubuntu Mate 16.04

I've been searching and can't find a solution. I installed Ubuntu mate 16.04 on a Pi2B and when following a guide I entered this line: step 8: OPTIONAL - turn off UI OS, so that things will ...
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21 views

Can login in WinSCP but not in RemoteDesktopConnection

i just changed my password. Now when i try to login in RemoteDesktop it says: Blockquote Connecting to sesman ip 127.0.0.1 port 3350 sesman connect ok sending login info to ...
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40 views

Can't login into Ubuntu 18.04.1 LTS, Stuck in a loop, opening the console keeps asking for user and password

After two days of not using the laptop, once I try to log in the screen becomes black for a few seconds and then it returns back to the login screen with no error message. I tried restarting the ...
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3answers
1k views

Black screen on login, gnome-shell eating 100% of CPU

From the usual Ubuntu login screen, I click on my name, type my password, and press ENTER. Screen goes black...and stays black. I cannot get to my desktop. If I SSH from another computer and run ...
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27 views

How to immediately report sudo commands from standard account without asking for password?

In Ubuntu 16.04, I made the standard user log in without a password (from ubuntu settings), but sudo still asks me for a password [and typing nothing and pressing enter only registers as an "incorrect ...
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35 views

Login loop nightmare

Im using Ubuntu 18.04 and have recently ran into the login loop issue. Looking this up online I found a solution by adding pci=nomsi to the the GRUB_CMDLINE_LINUX_DEFAULT command in the /etc/default/...
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22 views

Use google drive before login in ?Ubuntu 18.04

So the integration for Google Drive in Ubuntu 18.04 is great in the gui, but I would like to use it on a server (this may be still running the desktop version of Ubuntu 18.04 for other reasons). As ...
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7 views

flicking problem

My ubuntu 14.04 is having some problem while starting and shutdown, some progarm was running for 1 min "ply/loop event files" and Login page is appearing . Please assist as soon as possible. And also ...
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0answers
38 views

Ubuntu18.04.1 LTS gets stuck in a login loop

My Ubuntu is stuck in a login loop when trying to enter my desktop. When I login, the screen gets black and soon after that the login screen comes back. I saw this solution: solution But when I ...
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15 views

Aborted during update (16.04) - file retrieval help

I, being an idiot, manually aborted during a software update as I had stupidly left things running and the computer froze. Now when I enter my password on the user account, the screen scrambles. On ...
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31 views

Cannot Boot Ubuntu - TTY1 login loop

Upon removing a particular package, I think I removed some very important stuff from my Ubuntu 18.04. When I login, I get the Ubuntu 18.04 LTS tty1 screen. It prompts me to login. I enter my username ...
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27 views

seahorse: How do I view the Login Keyring?

I want to view the Passwords stored in the Login Keyring, in which Google results point to launching seahorse -> View By Keyring -> Select Login under Passwords. But as far I can see, there is no ...
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1answer
47 views

Error found when loading /home/[user]/.profile at boot

Every time after I login, but before the desktop loads, a dialog box with the error: Error found when loading /home/[user]/.profile enp7s0: Unknown host ifconfig: `--help' gives usage information. I ...
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1answer
24 views

Ubuntu active directory like login

In a configuration of various users and machines is it possible to sync or do something similar to windows domain accounts where every user can login on every machine with the same domain login? ...
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1answer
19 views

Ubuntu keeps asking for log in on Odroid although can login as root

I have Ubuntu Mate on odroid. After updating I modified from Software & Updates to keep upgrading from Xenial repository. After that the login window keeps showing at startup even though I insert ...
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25 views

Chrome and Chromium crash at login

As in the title, I just installed Ubuntu 18.04 LTS and installed at first chrome-stable but as soon as I try to sign in my account it freezes until it asks me to force quit (chromium web browser does ...
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1answer
29 views

Problem with tty terminal login [duplicate]

I stuck at boot up sequence access so I open tty terminal by pressing ctrl + alt + F2. I have to login, but I forgot my login, I know only my password.
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11 views

16.04 LTS suddenly not allowing login

Webserver and DB still running fine, but cannot login to web portal of server and cannot login to SSH anymore. Desktop is the same result, only way to restore is reboot. System runs for several weeks ...
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49 views

Ubuntu 16.04.5 Stuck in login loop after sudo apt update/upgrade

Today my machine gave me a message saying that something was wrong with my computer. I pressed "Report issue". Then I did: sudo apt update and sudo apt upgrade. Following this, I get stuck in a ...
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23 views

Can't re-login after logout gnome with SLiM

When re-login to gnome, it displays the wallpaper of gnome but immediately back to SLiM. However I can re-login to i3-wm. After restart the SLiM, re-login works. Anything wrong with gnome or SLiM?
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23 views

Keyboard and mouse not working in 16.04 [duplicate]

I have been getting pop up messages that The system is running in low graphics mode After rebooting, the mouse and keyboard are not working and my computer is password locked. Can anyone help?
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53 views

phpmyadmin couldn't login as root in Ubuntu Server 18.04

I installed Ubuntu Server 18.04. By default I cannot install phpmyadmin using the command "sudo apt-get -y install phpmyadmin". Getting message "unable to locate package phpmyadmin" but its success ...
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0answers
15 views

Reset password and now no password works; unable to access bios menu, unable to reinstall

I have Lubuntu installed on a 2017 Lenovo ideapad. I reset the user account name and password (from "guest" and "guest" to my name and a different password) and the next time I went to log in, it told ...
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1answer
29 views

No GUI after Login, GUI works if I drop into TTY terminal then back to lightDM

Just installed Xubuntu 18.04 on my HP Pavilion 15 in a dual boot configuration with windows. I was running Gnomebuntu 16.04 previously, but I am now unable to either install any distro or get the ...
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19 views

LightDM login issues

I'm trying to log into my PC running 18.04 with lightDM, and whenever I attempt to sign in, the screen flashes black and returns to my lightDM greeter. If I switch to a different tty and run startx, ...
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0answers
35 views

Password typed in login manager appears as username in tty

The scenario I am asking about is this: when reaching the login screen after the boot process, I switch to tty2 and log in by typing my username and password. I then exit, getting back to the (...
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1answer
67 views

Server: No login prompt after upgrade, some services not starting

I just upgraded an Ubuntu server from 16.04 to 18.04. All went seemingly smooth, but after a restart I'm not able to log in. The server boots, I can see all the usual logging output on the screen, ...
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50 views

Authentication Failure when switch account after upgrade 16.04 kernel

I upgraded my Ubuntu Desktop to version 4.4.0-131-generic and start having this problem. Step to reproduce error; login your user then lock screen. login another user then lockout. (Noticed that if ...
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1answer
838 views

How do I get the old user-based login screen to work in 18.04

I remember back in the day if I had 3 accounts on my Ubuntu system and each had a different wallpaper I would see each wallpaper at the login screen (depending on which account was selected). Now in ...
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21 views

Can't log in after changed password

I've tried to change my user's password, with the help of this guide. It seems that it was lucky, because when I'm entering the new password, Ubuntu get stuck in a login loop. But what's next? I've ...