Questions about the login screen, specifically customizing/troubleshooting it.

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11
votes
7answers
27k views

Changing login screen wallpaper

I have been trying to change my login screen wallpaper to one of my own using ubuntu-tweak. The wallpapers are located in Ubuntu's default wallpaper folder and I have given all users read privileges ...
1
vote
1answer
14 views

How to hide administrator account or root in Login screen?

I used Ubuntu 12.04 and I want to only user account appear on the Login screen without guest and administrator account. My administrator account cannot view to everybody when their Login. ...
0
votes
1answer
19 views

Login screen background wallpaper not changing with Dfcon-editor nor Ubuntu Tweak [Ubuntu 14.04]

I am trying to set a new background image for my log in but I can't. I tried configuring via Dconf-editor with root mode but every time I set the new image and set to True the draw-user-backgrounds ...
-1
votes
0answers
13 views

Double entries on lightdm screen

Actually there is 4 entries on my lightdm login screen . First is Ubuntu default fourth is cairo-dock session second and third are both Kodi(aka XBMC) . Obs: One of Kodi session inside the ...
0
votes
0answers
13 views

Changing terminal login prompt with ncruses

I have a Ubuntu server with no DE that I want to replace the regular login prompt with a ncurses based login. How would I go about doing that? Below is a link to a program that I'm going to use to ...
0
votes
0answers
8 views

unable to get ubuntu login screen on my hp pavilion

Just a while ago, I have installed ubuntu 14.10 along side windows 8. But after everything is done .. I tried restarting my laptop but I am not getting any ubuntu screen to log in to it. As usual i am ...
138
votes
37answers
405k views

How to fix “The system is running in low-graphics mode” error?

Note: This is an attempt to create a canonical question that covers all instances of "low-graphics mode" error that occurs to a user, including but not limited to installation of wrong ...
-1
votes
0answers
37 views

No Loginscreen after suspend/standby

I'm running Ubuntu 14.04. Everytime I set my laptop in suspend or standby mode by closing its lid the loginscreen doesn't come up upon waking. Ubuntu switches directly back to the desktop without ...
1
vote
5answers
6k views

Ubuntu 12.04LTS stuck at login mouse and keyboard not responding

I have Ubuntu 12.04LTS installed on a dual-booted machine (i5 dual core 8G ram) and it's been working fine, but today for some reason when I logged out and tried to log back in it is stuck at the ...
2
votes
1answer
108 views

If I don't log in right away on my 14.04 LTS system, the login hangs

My newly dual booting system is working great with this one annoyance scenario: I boot the system, but don't touch anything. The screen eventually goes dark. I touch a key and get the login screen. ...
0
votes
0answers
23 views

Problems with login after startx command

I am running 14.04. after typing startx command i cannot login same account again. Login screen is repeatedly showing. I can login with guest section but i can not login to my another section . i ...
0
votes
0answers
25 views

I can't see my desktop only the terminal

I'm completely new to this, I put in the cd and I get this terminal thing when I turn on my computer it asks for login and password I enter that, and then all it says is: tommy@tommy:~$
0
votes
1answer
42 views

14.04 couldn't log in

I couldn't log in to my user account. When I tried it the screen returned to the log in screen. I am able to log in using ctrol alt f1 or an new created account, but not my own. Also rm /.Xautority ...
10
votes
5answers
4k views

rotated monitor. login screen needs rotation

I rotated my screen, an once I login, it works fine. but, the greeter (login) screen hasn't got the message that things are rotated 90 degrees. How can i change the rotation of the login screen? ...
11
votes
7answers
11k views

Hibernate missing in login screen

Re-enabling hibernation by adding a rule to policy kit added the option to hibernate to the desktop session as expected, but not for the login screen. How can I enable hibernation right from the ...
0
votes
1answer
75 views

login freeze after suspend on 14.04 (not nvidia related…)

I have been having trouble with my notebook lately... I run 14.04 LTS version of ubuntu on a thinkpad x1 carbon form lenovo (2nd generation), and it seems like everytime I wake my laptop from suspend, ...
0
votes
0answers
55 views

Ubuntu 12.04 to 14.04 distro upgrade problem in Kernel or Graphics display? Freeze login

On Thursday, I upgraded Ubuntu from LTS 12.04 to 14.04 LTS, Its been 2 days juggling up to restore my laptop to normal, I have exhausted nearly all suggestions listed on Ubuntuforums, IRC, Askubuntu ...
2
votes
1answer
352 views

Lightdm made me log in twice

The second login screen is normal. But in the first login screen, I can't type any password to go through it and strange characters appear in the upper-left hand of the screen when I type. Would ...
6
votes
1answer
134 views

Entirely disable suspension (at kernel level? - has to be independent of used DE and login state!)

Once again I need a workaround to deal with my almost broken notebook graphics card: It does not wake up after suspending! The Ubuntu 14.10 system is waking up, but the display stays off, so I have ...
2
votes
0answers
25 views

Ubuntu will not accept new password even after recovery mode reset

After a recent 14.04 update my computer will not accept my log in password. I have done all the various steps through the recovery mode at boot up, changed my admin password & I still receive an ...
1
vote
0answers
29 views

my lubuntu gui can not login by my user and guest user

I can not login in the gui, it flash and back to login gui after I input password, this is in my /var/log/lightdm/x-0-greeter.log file: ** (lightdm-gtk-greeter:2893): WARNING **: Error retrieving ...
0
votes
2answers
57 views

Login problem in Ubuntu 14.04

I have a little problem with Ubuntu: when i type the password to log in nothing happens, the only thing that happens is something similiar to a refresh (I'm using Ubuntu 14.04 LTS). When i type in a ...
0
votes
0answers
16 views

Login black screen

What should I do? I've alredy typed the username and password. The last line
1
vote
4answers
3k views

Login loop 14.04 but guest account is accessible

After upgrading to 14.04 from 13.10 which worked fine, I cannot get past login as it just loops back. Guest account works fine. I can login to the console by hitting Ctrl+Alt+F1 using username and ...
2
votes
2answers
9k views

Unity greeter does not display custom wallpaper

I am using Ubuntu 14.04 LTS 64 bit . I know this question has popped up many times but I want to make it very clear that none of the posts helped me a bit. my Problem: I am unable to get my custom ...
54
votes
15answers
33k views

How do I disable the drum beat sound on the login screen?

I would have expected System ▸ Administration ▸ Login Screen ▸ Play login sound to control this, but unchecking it does not prevent the drum beat sound from playing.
0
votes
1answer
14 views

If I turn off Login requirement am I secure if someone wanted to connect through internet?

I am the only user of PC and use full disk encryption. So I removed login requirement. Is that safe If someone wanted to login remotely while the PC is on?
0
votes
0answers
48 views

can't log in on 14.10 after normal shut down

I can't log in on 14.10 after a normal shut down from the menu. I booted up as normal, entered my phrase, Ubuntu boots to login screen, I enter my password, screen goes blank and I am back at the log ...
5
votes
5answers
13k views

How to restore Ubuntu login screen after lubuntu install?

I have Ubuntu 13.10 installed. I then installed lubuntu 13.10 (sudo apt-get install lubuntu-desktop) too. As a result the login screen has changed and I can no longer get an on screen keyboard. How ...
0
votes
0answers
31 views

How do I set the DPI setting for the login screen?

When I log into ubuntu and then lock my screen, the lock screen shows with the same DPI settings as my current session. But before anyone is logged in, the login screen has the "default" DPI which on ...
0
votes
1answer
60 views

ubuntu 14.04 login loop problem

My Ubuntu 14.04 is stuck, when trying to login my desktop. Means the screen gets black and soon after that the login screen comes back. I followed all steps in Ubuntu gets stuck in a Login Loop Even ...
0
votes
0answers
19 views

How do I fix my login after updating the rtkit package?

I installed the automatic updates from Software Updater and the system doesn't take me further from the login screen. I tried accessing using a live USB and I know that there are issues with the rtkit ...
2
votes
1answer
2k views

How to disable sliding login screen in Gnome?

I am using Gnome 3.6 and I am quite annoyed by the login screen when my computer wakes up. The new implementation in Gnome includes two steps. First you have to hit Esc or click and drag upward ...
40
votes
8answers
53k views

How to enable numlock at boot time for login screen?

I am trying to force numlock to be on upon initial boot at the login screen on Ubuntu 12.04. The only solutions I have found so far switch numlock on only after initial login. I'm looking to force ...
0
votes
1answer
38 views

Stuck on login screen, everything plugged in is unresponsive

Whilst downloading version 14.04, my mother manually restarted the computer by holding the power button in. Upon restart, the mouse and keyboard do not work, the speakers would not play the start up ...
3
votes
1answer
2k views

Remote login on Ubuntu 14.04

On Ubuntu 13.10 in Login screen there was an option for Remote Login.Where is this option in Ubuntu 14.04?How can I enable it?
7
votes
1answer
4k views

Personalize monitor position before login

I'm using multiple monitors. When logged in everything I fine. Left monitor is positioned left and right monitor is positioned right, but before I login the login screen positions them the other way ...
0
votes
0answers
13 views

Logging into my user account sends me back to login. Xserver? [duplicate]

Solved Running sudo startx must have changed the ownership to root so ownership must be taken back. At the login screen press Ctrl+Alt+F1. Enter your credentials to login then enter ls -la and you ...
1
vote
0answers
133 views

Black and white screen after “successful” LightDM login screen rotation in Ubuntu Mate 14.04

I have rotated LightDM login screen as suggested by Stephen and got black and white greeter (see photo). Sometimes the problem disappears after login, but occasionally it remains on session. I am ...
0
votes
1answer
83 views

Desktop on Ubuntu 14.04 lts doesn't appear after login

I have installed radiotray and used to start the application from terminal just typing radiotray. I wrote a script start_radio.sh and put in /etc/profile.d. The content of start_radio.sh is only ...
1
vote
3answers
2k views

Disable sleep mode after 5 minutes

I have Ubuntu 14.04 installed on my laptop. When I have my laptop plugged in to my tv to watch a movie, the screen goes black after exactly 5 minutes. I have to move the mouse, to see I'm at the login ...
0
votes
0answers
28 views

How to add username prompt to 14.04.1

I'm using Trusty Tahr, and I was wondering if there was a way to remove the users list at the login screen and instead have a prompt asking for both the username and the password, like in the live ...
1
vote
0answers
122 views

Ubuntu 14.04 login loop - Guest sessions does not work either

I have been using Ubuntu 14.04 soon after it is released. Today I messed something up with the Chinese input ibus, and I don't know if this is the reason at all, but when I reboot using sudo shutdown ...
-1
votes
3answers
60 views

How to get Ubuntu to ask for my password at login screen again?

I used to have a password prompt but then I, from somewhere in User Accounts, unchecked "Require a password for login." Now, I want Ubuntu to prompt for a password again at login screen, mainly ...
0
votes
0answers
11 views

No mouse when dropping back to login screen

Keyboard works fine and I'm able to log back in to Ubuntu but for some reason the mosue disappears when I log out and return to the login screen.
0
votes
1answer
25 views

stuck on login screen, with CTRL + alt +Fx not working

I tried upgrading my Ubuntu 13.10 to 14.04 through the terminal but it got to a point when my laptop froze so I had to switch it off and restart it but now when I enter my login details, nothing ...
5
votes
2answers
259 views

How to install kde-plasma with lightdm instead of kdm

I like lightdm and especially its webkit-greeter a lot. Is there a way to install kde without installing kdm and using lightdm instead? I have tried everything from installing kdm and then remove it ...
0
votes
0answers
76 views

Randomly unable to unlock the desktop

I cannot find any pattern, and this drives me nuts. Sometimes, after locking my Ubuntu-unity Ctrl+Alt+L or using the menu), if fail to log in again. What happens in case of failure is (normally): ...
0
votes
1answer
42 views

Two Monitors, login does not show up - Ubuntu 14.04

I'm trying to use Ubuntu 14.04 on my PC. I have two monitors and an ATI Radeon HD 4770 Video Card. The thing is, after installing Ubuntu, and after reboot, the login screen does not show up, and the ...
1
vote
1answer
70 views

Jenkins Security

What is the location for the Jenkins System Console Output files? I am configuring Jenkins Security on Ubuntu, and have been locked out at the login screen. Tried every account I can remember but not ...