All Questions
413
questions
0
votes
1
answer
13
views
Failed to load configuration from /etc/lightdm/lightdm.conf: Key file does not start with a group
Trying to solve another issue, I unistalled and reinstalled lightdm. After that, lightdm failed to start, and I could see this message in journalctl -xeu lightdm.service:
Failed to load configuration ...
- 1,592
-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 ...
0
votes
0
answers
114
views
Xubuntu 22.04.4 Slow desktop start after login (2-15 minutes)
I have problem and I need help with my Dell Inspiron 3525.
The PC starts up correctly until the login screen. After entering my username and password and accessing it, I can see the wallpaper and the ...
0
votes
2
answers
127
views
Desktop login not allowed
Suddenly my Odroid mini PC with Ubuntu do not allow to login to Desktop. After I press Log In screen flashes with dark for one second and gets back without logged in.
I found error in /var/log/auth....
- 4,597
0
votes
2
answers
744
views
Stuck in login loop, but only for one user
I was working on my Lenovo Idea Pad with Ubuntu when suddenly the screen froze, I could move the mouse and see the cursor moving, but clicking or pressing the keyboard keys had no effect, so I decided ...
- 23
0
votes
0
answers
88
views
Xubuntu freeze on lightdm login after upgrade to 22.04/22.10
I think it's the first time, that I ask a question here, since I found an answer for all previous issues.
I upgraded my xubuntu 20.04 to 22.04 (and then on commandline to 22.10, because I hoped, the ...
- 101
1
vote
0
answers
214
views
Blue tinted screen after login
I freshly installed Ubuntu Server 22.04.1 and added ubuntu-desktop with lightdm to it. Everything is running fine, besides the fact that the screen is getting tinted blue after I log in. See attached ...
- 11
1
vote
0
answers
165
views
VNC Crashes right after login
While I'm connecting to a pc via VNC it works smoothly but when I'm trying to log in a specific user which I added the user via the Join to domain process the VNC crashes right after, the login worked ...
- 11
1
vote
0
answers
2k
views
Configuring LightDM Lockscreen
Through some online forums I determined that, with lightdm, I could bypass the authentication greeter after a screen lock by simply switching the VT/TTY.
Then I came across information from here: ...
- 137
0
votes
1
answer
219
views
I have locked myself out of my computer
I am now running Ubuntu 22.04 LTS “Jammy Jellyfish”
As you could expect from my other post on custom keyboard issues, I have messed up again with my /usr/share/X11/xkb/rules/evdev/files
The unexpected ...
- 61
0
votes
0
answers
82
views
unknown guest account with password created
i am using ubuntu 20.04 i want guest session for students so i enabled it by following
How to enable Guest session on Ubuntu 20.04 Focal Fossa Linux
30 April 2020 by Lubos Rendek
terminal commands
1....
- 9
0
votes
1
answer
122
views
After attempting to upgrade from 18.04 to 20.04 login LightDM is black (blinking cursor), can't access v-terminal or recovery mode
I attempted to upgrade from 18.04 to 20.04 to no avail. After some issues I restarted my computer and now the login screen is just black with occasionally a blinking grey cursor in the top left.
I've ...
- 175
6
votes
2
answers
1k
views
Desktop takes time to show up after entering password on login screen
After entering my password at the login screen, a blank screen appears with a mouse cursor which we can move and after ~2 minutes the desktop shows up. This happens not only after booting but also if ...
- 61
1
vote
1
answer
3k
views
Ubuntu 20.04 - LightDM Auto Login Not Consistently Working
I've got a fresh install of Ubuntu 20.04, but can't get auto login to work consistently.
The only workaround i've found is to add a 2 second wait time, but i want to get to the root of the issue.
...
- 19
0
votes
0
answers
472
views
Lightdm(with slick-greeter) only starts AFTER tty login
I recently installed slick-greeter, and have wrestled with various configuration issues, and spent quite some time searching various threads across various distros for the issue I'm seeing.
That is, ...
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
2
votes
2
answers
2k
views
Cannot login to MATE for one user but not the other
Big disclaimer: Before this happened, I accidentally removed an important library (libreadline7), which has removed several important system libraries without me realizing (things like NetworkManager ...
- 143
1
vote
2
answers
2k
views
lightdm crash (once) & thereafter login screen shows "failed to authenticate" - impossible to login
OS: ubuntu 20.04 with lightdm
HW: Raspberry Pi 4B 8GB
History: this system has worked for well over a year without issues.
There was a random crash of the sound system (this has happened before), my ...
- 982
0
votes
1
answer
846
views
Dual monitors on login are working in a mirrored mode instead of be handled as extension
I have a laptop and recently connected second monitor (VGA). The problem is when I first boot both monitors show same login screen (like in the mirroring mode).
After login in, both monitors are ...
- 271
1
vote
1
answer
1k
views
Lightdm gives black screen after logging out
I am using Ubuntu 20.04 with lightdm.
Everything is fine except that if I log out, the screen turns black. And I have to press Ctrl + Alt + F2 to get the console and issue sudo lightdm to get the ...
- 11
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
0
votes
0
answers
155
views
Login loop with lightdm, startx works, .xsession-errors.old contains systemctl: unrecognized option '--value'
I got a login loop in Ubuntu 18.04.5 LTS, startx works,
installed ubuntu-desktop and made it the default and the login loop persisted, reinstalled lightdm stayed the same,
after booting with startx, ....
0
votes
1
answer
492
views
Switching between users in XFCE / LightDM without locking session
When I was using KDE with KDM it was very simple to switch users. After I logged in multiple sessions I could easily switch by pressing ctrl+alt+f7 and ctrl+alt+f8 and so on. It was seamless because:
...
1
vote
0
answers
316
views
Add custom indicator to lightdm-slick-greeter
I'm trying to add a custom indicator to the lightdm-slick-greeter I'm using.
I have 2 batteries in my laptop and would like to be able to see both batteries on my loginscreen. I looked through a few ...
- 111
1
vote
1
answer
95
views
Does Ligntdm require specific configuration or clean-up of SDDM files after install on Lubutu 20.04?
I'm evaluating Lubuntu 20.04 for a custom application. Customisations include a static IP address, vnc service, an auto-login for a non-admin user and halting of all non-essential services to ...
- 21
0
votes
0
answers
507
views
How to remove the Xubuntu Login screen in Ubuntu 18.04 (and NOT 14.04)
Apart from Gnome I had / have Unity desktop in my Ubuntu 18.04. Later I installed Xubuntu over it. Change the desktop background with windows wallpaper. The same wallpaper was automatically taken by ...
0
votes
1
answer
64
views
Need to enter password 5 to 10 times at logon screen after intsalling lightdm
Hi I am sorry but I do not have much knowledge on Linux or Ubuntu OSs. I installed a fresh copy of 18.04 LTS and upgraded to 20.04 LTS.
I have an NVIDIA RTX 2080 and installed the NVIDIA Drivers ...
- 1
0
votes
1
answer
103
views
lightdm change badge icon login for "ubuntu on wayland"
I have changed cinnamon login badge icon with:
/usr/share/unity-greeter/custom_cinnamon_badge.png
I would like to change the "ubuntu on wayland" badge (which is empty) in the same way, for ...
- 287
0
votes
0
answers
470
views
The lightdm login screen is wrong
These are the steps I took to install lightdm:
sudo apt update
sudo apt install lightdm # I have set lightdm instead of gdm3 in the interactive menu
sudo apt install slick-greeter
sudo apt install ...
- 287
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
1
vote
0
answers
146
views
Slick-greeter wont stay persistent in Xubuntu
I'm running Xubuntu 20.04 and I've installed slick-greeter, I've also run sudo apt-get autoremove lightdm-gtk-greeter and yet when my computer wakes up from a sleep it still goes back to the lightdm-...
0
votes
1
answer
33
views
Switched greeting on Ubuntu System; now doesn't Work
Yesterday, I switched my available greeting, on my Ubuntu System, from lightdm-webkit2-greeter to slick-greeter and after I rebooted my system, the boot sequence is stuck on the loading bootup screen ...
- 13
0
votes
1
answer
569
views
Mate Desktop freezes on login
I got a new laptop, and swapped my hard drive into it. it booted right up. when I log in with my typical user account, the screen goes black, and it eventually shuts down.
I can log in via the ...
- 14.9k
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
2
votes
1
answer
635
views
LightDM theme is not acting normal
fellow Ubuntu Enthusiasts! I recently installed LightDM via sudo apt install lightdm and then installed lightdm settings tool via sudo apt-get install lightdm-gtk-greeter-settings
And now, LightDM ...
- 860
2
votes
0
answers
284
views
Cannot draw-user-backgrounds on greeter, Mate 20.04
Fresh install of Ubuntu Mate 20.04.1. Issue did not exist on earlier Mate 20.04 version. I have been running multiple users on Ubuntu for 10+ years (mostly vanilla flavor) and have never had this ...
- 21
1
vote
1
answer
6k
views
Restore Original Login Screen on Ubuntu 20.04
On a fresh Ubuntu 20.04 installation, I installed Unity and configured it to use lightdm in the installation wizard. The login screen looks different, where we now have the option to select the ...
- 225
4
votes
2
answers
4k
views
Login problem in 20.04 : can't type anything in the login box
Ubuntu 20.04.1 LTS / XFCE / Dell Latitude 3460 recently upgraded from Ubuntu 18.04.
(1) After suspend first wakes up to an Unlock screen with a simplified log-in window (with just one Unlock button ...
3
votes
2
answers
1k
views
Desktop Environment Initialization Delay in 20.04 (PLEASE HELP!)
Specs
Display Manager: lightdm 1.30.0
Desktop Environment: gnome 3.36.3 (though I also tried xfce)
Problem/Background
Once I login, all I can see (for at least a minute) is the wallpaper and mouse. ...
- 137
3
votes
2
answers
2k
views
Why does Ubuntu MATE use two different greeters?
I'm running Ubuntu MATE 20.04 on one of my machines, and noticed that for some reason, it appears to be using two different greeters. It looks like LightDM for the login screen, but something else for ...
- 14.8k
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
0
votes
0
answers
161
views
Can't log back in to only my account after switching to another user in lightdm on xubuntu
My family has a shared computer were we all have accounts. This is an Xubuntu 20.04 system running lightdm as the user manager. For whatever reason, whenever I login to my account, then lock the ...
- 215
1
vote
0
answers
275
views
Can't type password in log in screen after installing lightdm. Switched to Xorg from Wayland
I had some trouble running team-viewer, so I followed this advice. I installed lightdm
sudo apt-get install lightdm
and changed the setting to 'lightdm'-Xorg. Previously it was Wayland I believe.
...
- 111
0
votes
3
answers
7k
views
gdm3 login loop, lightdm works in Ubuntu 20.04
A lot of people seem to have this issue, and many people have been able to fix it, but I have used every fix (besides reinstalling Ubuntu or creating a new user and moving stuff over) and have not ...
- 347
0
votes
0
answers
223
views
TurboVPN for ubuntu server and set the only avaibile desktop to be xfce4 for all users
I am setting up a new Ubuntu server for several users
My target is everyone could connect it with the TurboVPN by the server IP when user login to it, it will show the login screen to users and enter ...
1
vote
1
answer
2k
views
Issues with Lightdm and gdm3 on ubuntu 20.04
I have been using ubuntu 20.04 since release, I started with gdm3 and then I got the infamous login loop error which I couldn't solve without switching to Lightdm. The issue is when I switch to ...
1
vote
0
answers
85
views
Login loop GUI three desktop environments
I just reinstalled Ubuntu 18.04 and initially had problems with no GUI. After some help, I got Gnome and lightDM but now I am stuck in a login loop.
A while earlier I was able to login, but there ...
- 31
3
votes
2
answers
7k
views
How to select lightdm greeter theme or appearance?
I'm testing Ubuntu 20.04 LTS with many desktop environments installed.
Currently I have the following:
$ dpkg -l | grep -i greet
ii arctica-greeter 0.99....
- 101k
14
votes
9
answers
44k
views
Ubuntu 20.04 - Can’t log in after upgrade
I installed 20.04 (upgraded from 18.04) and cannot log in at all. I’ve tried changing my password using recovery mode, installing lightdm, and using Ctrl-Alt-F3.
Strangely, when using Ctrl-Alt-F3, I ...
- 141