All Questions
160
questions
1
vote
0
answers
62
views
can't signin to ubuntu due to sign-in loop
I am experiencing couple of errors on my ubuntu machine from the booting process to the sign in screen.
My Ubuntu is in emergency mode. Whenever I bootup my machine it shows the below message
You ...
-1
votes
1
answer
41
views
How to log in into another session when the screen is locked?
I used to be able to log in with another account when locking the first session. However, ever since I updated to 24.04 from 23.10 this option disappeared. I can only see this screen:
What may be ...
- 1,592
0
votes
0
answers
16
views
Having to manually start gdm everytime
I recently installed lightdm, Big mistake. It was terrible, So i then un-installed it using systemctl remove lightdm.service.
However, I am still having issues. First is that on startup it still has ...
-1
votes
0
answers
44
views
Ubuntu 20.04 screen turns purple briefly after entering password on login screen
Same problem 1
Same problem 2
I encountered the same problem as the two above. After I entered the password on the login screen and logged in, my computer screen would be black for a while, and then ...
- 1
0
votes
0
answers
158
views
Yubikey inserted always asking for smart card login and no longer for password
I'm using Ubuntu 23.10. My company provided me a Yubikey for VPN access and everything works fine. However whenever I turn my pc on, the gdm screen only asks for smart card login (and no longer for ...
- 185
0
votes
1
answer
77
views
How do I login normally to my Ubuntu PC again after an account lockout?
While my Ubuntu 20.04 (Focal) PC was at the lock screen, I inadvertently left an object on the keyboard for over an hour. It repeatedly pressed who knows how many buttons. When I found it, it was ...
- 552
1
vote
1
answer
347
views
Ubuntu gdm3 login screen menu
I have gdm3 installed as my display-manager on Ubuntu Budgie and when I log in there is this small settings icon in the right corner with the options:
Ubuntu Budgie
Ubuntu
Ubuntu with Xorg
What are ...
- 597
1
vote
0
answers
287
views
Inaccessible password field after screen lock, then boot error
I've just installed Ubuntu 23.10 on a new machine. When I return after a break, I find that the screen is locked and I need to enter my password. Once today and once yesterday I have found the field ...
- 412
2
votes
1
answer
969
views
22.04 - GDM Shell crashes (occasionally) after login
How would I diagnose a GDM crash after login. I can still SSH into the machine and I've been "fixing" broken shell session with:
$ sudo systemctl stop gdm
$ sudo systemctl start gdm
What ...
- 789
0
votes
0
answers
211
views
Login Loop Ubuntu 22.0.4.3 LTS
Ask Ubuntu community,
I would like to share my recent experience of facing a frustrating issue with Ubuntu on my computer. After a system update, I was confronted with a login loop challenge that ...
0
votes
0
answers
223
views
Ubuntu 23.04 freeze at login screen after fn lock
I have basically clean install of latest Ubuntu 23.04 on my Lattitude laptop (no nvidia or proprietary drivers)
And after a few days, it suddenly started to freeze right at login screen.
Have to go to ...
1
vote
0
answers
366
views
Cannot log in to session after update with gdm3
I was running Regolith (an i3-based WM) with Ubuntu 22.10.
I just updated my laptop to Ubuntu 23.04 using the do-release-upgrade.
After booting, I could access the login session (which is GDM), but ...
- 41
1
vote
1
answer
2k
views
no graphical login screen after boot into Ubuntu 22.04 following driver update
I have updated my nvidia driver to nvidia-driver-525-open using the GUI (which was marked as tested).
After a reboot I no longer get a graphical login screen, just a blinking cursor. Using Ctrl+Alt+F4 ...
- 91
0
votes
1
answer
2k
views
How to reset GDM3 configuration
I saw maybe on Reddit on r/Ubuntu or maybe on r/gnome about a Flatpak to customize the GDM/login/greeter. I installed it, took a look, and decided I was not very interested and just uninstalled it. It'...
- 163
1
vote
0
answers
54
views
Xsession hangs in sudo edubuntu-langpack-installer
After an upgrade from Ubuntu 20.04 to 22.04, the graphical login stopped working. The display manager did not show up anymore.
After some dpkg-reconfigure gdm3 and other things, that seems to work now ...
- 2,657
1
vote
0
answers
312
views
First user logs in using X11, switch user logs in using Wayland
I would like to use X11 for all user logins on my Ubuntu 22.04 setup so I uncommented WaylandEnable=false in /etc/gdm3/custom.conf.
After a reboot, the first user logs in and echo $XDG_SESSION_TYPE is ...
- 11
7
votes
1
answer
1k
views
Difference between F1 and F2 in Linux Consoles
I am using Ubuntu 22.04 LTS.
I was experimenting with the TTY consoles that are Ctrl+Fn+Alt+F3, F4, F5, and up. I noticed that F1 and F2 both seem to be the graphical desktop. F2 is the one that I ...
- 1,537
0
votes
0
answers
166
views
Ubuntu Studio 22.04 Log-in screens pops up and then disappers
I have somewhat similar problem to Login page doesn't appear
In my case sometimes, though not always, I can see the log-on-screen pop up for maybe 1 second and then I get a black screen with a ...
5
votes
1
answer
2k
views
Unable to use KDE desktop due to autologin
I recently moved from Windows to Ubuntu but now I want to use a different dekstop (KDE rather than GNOME). I installed KDE Plasma Desktop using the instructions here: https://itsfoss.com/install-kde-...
- 73
0
votes
1
answer
257
views
Cannot Refresh Snap Store (PID 1805)
I know Pending Update questions have been asked and answered, such as this one, which seems thorough enough to solve the problem. However, after running a Snap Store update from command line I ...
- 13
0
votes
1
answer
357
views
Prevent Ubuntu (GDM?) from locking when switching to another TTY
In TTY3 I use a simple window manager as my main working area, but sometimes I need to test stuff in a full Gnome environment, so I use it on TTY1, just as the default on a clean Ubuntu install.
But ...
- 81
3
votes
0
answers
663
views
Cannot login second user after "switch user", but can if using Ctrl+Alt+F1
For at least a year or so I have had problems with the "switch user" function on Ubuntu. If I log in (whether as "user1" or "user2") and click "switch user" I ...
0
votes
0
answers
650
views
Stuck at blank purple screen after login Ubuntu 20.04
After logging in after a reboot, it just removes the login window thing and gives a blank purple screen with a mouse cursor instead of my desktop. I can ctrl-alt-f2 and then ctrl-alt-f1 back and it'll ...
0
votes
0
answers
1k
views
Execute script every time a user login/logout using a service (gdm)
I'm a newbie in linux and I'll be glad for any help.
I'm using gdm and I want to execute a script **every time** a user login/logout .
To see that the mechanism works, I tried at first to execute the ...
1
vote
0
answers
218
views
Display manager doesn't load desktop and instead shows a black screen for 5 minutes after entering login info. then loads after the 5 minutes
After I get to the login screen from a reboot, once I enter my password and login, instead of getting the desktop, I get a completely black screen for exactly 5 minutes, once those 5 minutes have ...
- 37
0
votes
1
answer
376
views
Login Greeter takes 20~30 sec (after bootup apparently finished) to appear
I looked into this question among a few others (on and off SO) for a solution.
The upvoted (but not accepted) answer to that question, suggests entropy might be a problem.
I have infact from the ...
- 143
1
vote
0
answers
2k
views
AD user login error using GDM-password with sssd?
We have a Ubuntu 18.04 machine that had an issue where AD users were unable to log in with their credentials. I found a error that pointed to a GPO that was causing issue. A quick search showed that ...
- 13
0
votes
0
answers
181
views
Second user can't log in
This is 21.10 on top of a previous 21.04. When I try to log in with a second user (either an old existing one or a newly created one), the system freezes.
I log in as the primary user. Then, I try to ...
- 1
1
vote
0
answers
2k
views
Xauthority file inside /run/user/1000/gdm/Xauthority instead of my home directory
I'm currently experiencing the log-in loop bug, and I found out that the .Xauthority file isn't in my home drive at all, but rather inside /run/user/1000/gdm/Xauthority. None of the websites I used to ...
- 11
4
votes
0
answers
162
views
Ubuntu 20.04 GDM increments pam_tally without password input
I have an Ubuntu 20.04 machine with slightly modified common-auth and common-password files to lock the user out for 10 minutes if an incorrect password is tried 10 times. This works fine in the ...
- 41
-1
votes
1
answer
2k
views
Not able to change the login screen background ubuntu 20.04
I am not able to change the background at my login screen. tried the gnome extension way. Not working even after i already change it there, the background is still the default one. Used ubuntu tweak ...
- 39
1
vote
1
answer
79
views
Login Loop and strange PWD
I'm getting the infinite log in loop on Ubuntu for just one of my user accounts - I've tried all of the recommended solutions (modifying .Xauthority, /temp/ and using lightdm)
Strangely when I ctrl+...
- 31
2
votes
0
answers
2k
views
Connect to Ubuntu 20.04 via VNC before login (with GDM3)
Good day,
I need to be able to connect via vnc to an Ubuntu 20.04 client, log out via it and log back in. My problem: VNC can not connect when I am in the login screen. I know this is a general ...
- 21
1
vote
0
answers
428
views
How do I enable mirror (clone) display mode on login screen? (gdm3)
My monitor is often turned off when I log in (I use the TV instead). I usually use screen mirroring (cloning) when logged in. But on the login screen, the mirroring doesn't work. Thus in my TV, I don'...
- 519
0
votes
1
answer
2k
views
Set the login screen to a different fixed refresh rate?
I am using Ubuntu 21.04 with a 144 Hz monitor.
I wonder if there is a way to set the login screen to 144 Hz?
This would probably avoid to switching the refresh rate at session startup (screen going ...
- 103
1
vote
1
answer
2k
views
Fast bootup, but slow login from GDM prompt to desktop
Specs
Ubuntu version: 20.10 (groovy)
Storage: SATA SSD
RAM: 8 GB DDR3
CPU: AMD A8-4500M APU
GPU: AMD Radeon HD 7640G
Problem
Bootup is quite fast at 14 seconds as reported by systemd-analyze. But ...
- 119
1
vote
0
answers
751
views
Display Managers gdm3, xdm not working after upgrade to 20.04; lightdm stuck in login loop, only LXDE working [duplicate]
I just upgraded to Ubuntu 20.04. But I'm now stuck with problems with display managers.
GDM3 (preferred DM for me) and xdm are just stuck at a black screen (with a blinking cursor/underscore).
Next ...
- 71
4
votes
0
answers
2k
views
System-wide x11vnc for GDM on 20.04
I'm trying to setup system-wide x11vnc so even if no users are logged in, I can remotely connect and start a Gnome session. I followed this tutorial on the Arch Linux wiki as it seemed to mirror ...
- 41
0
votes
1
answer
3k
views
Black Screen after login (Ubuntu 20.04)
Problem: After typing in my credentials I am greeted by a black screen with a cursor. My desktop environment does not load. How can I resolve this issue and get my desktop environment to load?
System: ...
- 11
1
vote
0
answers
124
views
GNOME desktop manager no longer opening, drop to console login screen
I'm running ubuntu 18.04 on a Dell 5540. Everything was working fine until I rebooted a couple of days ago and was dumped into a console login screen. Looking at the current syslog I find ...
- 1,539
0
votes
0
answers
102
views
If password fails, make GDM switch bach to the User list in 5 seconds
If the user enters an incorrect password on GDM in Ubuntu 20.04, the password box is redisplayed along with the error message, "Sorry that didn't work. Please try again."
If you do not ...
- 12.5k
1
vote
1
answer
602
views
problem with ubuntu booting
I guess I ran some command trying to install something. After that, when I tried to restart my PC, it showed
error while reading block run fsck manually
which I did. After that, it was stuck in ...
- 11
0
votes
1
answer
2k
views
Login only via Ubuntu Wayland possible and User is missing in Login List, Ubuntu 20.04
After update from Ubuntu 18.04 to 20.04, all works fine. My notebook has two users there have access to the client with a separate user profile.
After Unsubscribe from my profile, is it impossible to ...
- 325
2
votes
1
answer
2k
views
Ubuntu 20.04 always forces me to create a new user at boot
I have newly installed Ubuntu 20.04, customized GDM3, installed my needed software and everything appeared to be successful. However, when I reboot, Ubuntu asks me to create a new user for some ...
- 79
3
votes
2
answers
2k
views
GDM cannot show user after upgrade to 20.04
I just upgraded from 18.04 to 20.04 on my workstation. It uses LDAP authentication. I already have an authenticated user. It used to be shown in GDM prior the upgrade. However after the upgrade only ...
- 101
1
vote
0
answers
498
views
Ubuntu login screen customization - show an animation when correct credentials are entered
I know we can customize the Ubuntu 20.04 login background, however I want to develop something slightly different.
I would like, when the user enters a correct login and credential and then click the ...
- 23
1
vote
0
answers
854
views
Must do Ctrl Alt F1 to be able to start graphical session
I recently installed Ubuntu 20.04 using a mini iso. I added gnome-session firefox and some other things.
For some reason, when starting the PC I only get a black screen. If I press Ctrl Alt F1 I see ...
- 11
2
votes
0
answers
1k
views
Unable to log into 20.04 -- How do I fix Fbcon?
Noob here.
I messed something up when I tried to install Linux Homebrew and now I'm unable to log into my main desktop (I get kicked out when I correctly enter my credentials). I've since uninstalled ...
- 21
1
vote
0
answers
510
views
Some issues in logs after the upgrade to 20.04
I am a newbie in ubuntu, and would be most grateful if you could help me in an appropriate manner, please, if you can.
I have upgraded the 18.04 system to the 20.04 version on my v3-471G acer aspire ...
- 11
0
votes
1
answer
775
views
Cannot open log file Xorg.pid
I encounter serious problem. When I am trying to login to my LDAP User, gdm doesn't start my user session and want me to log in again.
I have connection to LDAP Server
I can login to that account on ...
- 101