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

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Ubuntu 14.04 login loop Unity terminated with status 1

I have ubuntu 14.04 and am stuck in a login loop problem despite trying the common answers to the multitude of questions on the site ,none have worked. I can't figure out what's wrong and would be ...
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0answers
7 views

when login screen to ubuntu , ubuntu ask my password and LDAP password ,

on login-screen on my ubuntu 15.04 1. username 2. password 3. LDAP Password my problem is i dunno what is my LDAP Password, i was try with all pass password i created and configured in ubuntu, it ...
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38 views

ubuntu 16.04 does not start after installing some packages

I had installed the ubuntu 14.04.4 some months ago and i tried to install the proprietary driver for nvidia and i had problems with black screen, and i could not revert to the previous driver. So, ...
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0answers
11 views

Ubuntu 14.04 LTS Dell Inspiron log in screen changing resolution apparently randomly

I have a new Dell Inspiron XPS, and frequently when I reboot the laptop, the login screen (apparently somewhat randomly) seems to be 4x4 of my original resolution, and the password field, all the ...
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6 views

Small onscreen keyboard on login screen

Login screen has small onscreen keyboard. After login, onscreen keyboard is right size. I've Ubuntu 16.04 server install, Elementary-desktop installed to it, but I had same problem with default ...
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0answers
30 views

Ubuntu Touch - Login screen

Is there a way that I can set up my Ubuntu Touch Tablet login screen to rotate when the rotational lock is not on? When I have my tablet on its rest the login screen is upside down. So I enter my ...
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1answer
85 views

I can't access to the login screen in Lubuntu 16.04 LTS

I have a Toshiba NB300 with 1 GB RAM with Intel® Atom™ processor N450 and I recently installed Lubuntu 16.04 LTS i386 and I have this message on the screen instead of the login box "/dev/sda6: clean, ...
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1answer
563 views

Can't log in Ubuntu 16.04 using Nvidia proprietary driver

I've recently upgraded from ubuntu 15.10 to 16.04. Here him my laptop details: Acer Inspire V nitro 17 Nvidia GeForce 860M RAM 6Gb As I was using nvidia driver on 15.10, after the upgrade I ...
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417 views

Ubuntu 16.04 flickering and disappearing screen - tried everything!

Video https://youtu.be/W7hm5Iorw8s with the problem. Running Skylake/Nvidia gtx 950 on a clean install. I'm no expert at all and I haven't got a clue what to do. I've tried various things but nothing ...
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3answers
2k views

After Upgrade from 14.04 to 16.04 login screen runs in a loop while console login works

I am on a DELL Precision 5510 Ubuntu Edition with Ubuntu 14.04 as default installation. Today I upgraded from 14.04. to 16.04 as shown here ...
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23 views

how to set last desktop environment as default

my friend chmod to all directory in my PC. so all directory permission change after that incident, when login (input user & password) i must select again last session entry thank you
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24 views

Ubuntu 15.10 installation crash now asking for login

I tried upgrading to Ubuntu 15.10. The installation crashed. A Black screen appeared and then nothing happened. I turned off My laptop and tried to reboot. Then a Black screen appeared asking for a ...
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1answer
107 views

HUGE PROBLEM! Can't log in to Ubuntu 14.04 after upgrade to 15.10, stuck at login screen

So I started the upgrade from Ubuntu 14.04 LTS to Ubuntu 15.10. Everything was going okay until it logged out. Even the guest session is not working tried upgrading from terminal with Ctrl+Alt+F1 but ...
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13 views

As soon as I log in my computer logs me out again

I've been having some trouble trying to install virtualbox on my computer. While trying to install npm ass well the terminal recommended apt-get autoremove. This made me not able to log in again. Per ...
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0answers
36 views

14.04 login-loop after installing NVIDIA driver .run file

So I have a Dell Inspiron 15 7559 (NVIDIA GeForce GTX 960M) running Windows 10 and Ubuntu 14.04 LTS. I was able to install Ubuntu from a live USB after having added the kernel parameters: quiet ...
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0answers
15 views

Can't login but guest login is OK

When I enter my password to login to Ubuntu and hit enter, nothing happens. I just stay at the same login page. The password is correct because when I try a wrong password, I get "invalid password" ...
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0answers
22 views

How do I disable GDM?

The new Ubuntu features a completely unkillable GDM. Is there a way to disable it? It is not enabled in services , the GDM startup script is deleted, it is removed from update.rc but it still starts ...
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1answer
70 views

Screen Goes Blank After Boot

Once I start my computer Ubuntu starts to boot by showing the splash screen. Then once the splash screen goes away the login screen appears, but then quickly goes blank. I uploaded a YouTube video ...
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0answers
17 views

14.04: Login fails and returns to login screen on my sudo machine, while login is successful on other machines on the same filesystem

I am using a machine on a cluster with a shared filesystem. On one of these machines I have a sudo account. The problem is that login fails and returns to login screen on my sudo machine, while login ...
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0answers
44 views

ubuntu 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 referred Ubuntu gets stuck in a login loop, ...
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0answers
45 views

Can't login (install ubuntu-desktop on Ubuntu server 14.04), it gets stuck in a login loop

Recently, I install the Ubuntu server 14.04 LTS. For some reasons, I need to install ubuntu-desktop. After that, I try to login through the UI ,but When I login, the screen gets black and soon after ...
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22 views

Customize passphrase login screen for Ubuntu 15.10

Is there a way to way to change the theme, wallpaper & message of the Passphrase Login Screen for Ubuntu 15.10.
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0answers
17 views

Cannot login, xscreensaver not loading

I use a BackBox/Ubuntu system and it had xfce and xscreensaver login screen when booting. Days ago I was testing shortcut keys trying to logout using keyboard, and pressed CTRL and Fn Thinkpad key ...
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8 views

Ubuntu Login page resolution after power on differs from desktop resolution?

When I power my laptop on, It goes to Login page. But the resolution of login-screen page is greater than the resolution of desktop after login? Can it be fixed? and how? Thank you
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32 views

Ubuntu 14.04 Login loop (variation)

Today I decided to install Ubuntu 14.04 LTS on my Windows 10 hosted Virtualbox. I installed some things, restarded the VM and got a login loop. It seems that the login loop in 14.04 is not a new ...
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1answer
41 views

Change lightdm-gtk-greeter background?

I've been Googling like a maniac trying to find an answer, so I've now decided to ask here. How do I go about changing the background of the login screen? (lightdm-gtk-greeter). It currently uses ...
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1answer
25 views

how to trace errors and crashes in Ubuntu itself?

I'm new in Linux, My Ubuntu has started crashing for some days randomly and closing everything, going back to login screen!! Is this the same as when windows hangs and you kill a program? (but ...
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22 views

Can not log into Lubuntu from GUI, but can from text mode

I can log into my Lubuntu machine from the text mode, but I can not log into it through the GUI. After entering the same password and hit the "login" button, the screen flashes and then returns to ...
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1answer
32 views

how to change the lightdm gtk session icon

Quick question - I'm using lightdm-gtk-greeter in both 15.10 and 16.04 In the panel the budgie-desktop session icon is appearing as a spanner (wrench) icon. Any ideas how I can change this from this ...
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0answers
21 views

Add different languages to Ubuntu log in screen?

So I am after installing Ubuntu, and it is after booting up for the first time. Here is the problem, it only has my native (Lithuanian) keyboard input available. But my password has special characters ...
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1answer
60 views

Login screen Ubuntu. How to add to ubuntu 14.04?

When I installed Ubuntu I didn't switch on login requirement. So when I'm connecting to Ubuntu using VNC I instantly see my desktop? Is it ok for my PC performance? There is installed apache server. ...
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0answers
165 views

Login loop after installing NVIDIA (GTX 960M) drivers on Ubuntu 14.04

I recently purchased the Acer Aspire V15 Nitro (VN7-592G-77LB) and installed Ubuntu 14.04 (ubuntu-14.04.4-desktop-amd64.iso) as dual boot. I've been trying to install the NVIDIA graphics drivers for ...
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31 views

Ubuntu 14.04 / VMware - initial screen size

When VMware Workstation starts my Ubuntu 14.04 image, there are 3 screens that it goes through. There is a) the terminal mode (runlevel 3) where the system boots. There is b) the initial login ...
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1answer
26 views

cannot login ubuntu desktop after change passwd

Yesterday I changed passwd with recovery mode. After I resumed normal boot, it only shows guest session and other but not my account. How can I fix it?
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0answers
85 views

15.10 Unity stuck after login, even as guest, background image permission denied despite 644

Yesterday I ran the last Ubuntu security updates, and now my desktop does not open anymore. Only the purple login wallpaper is visible (my user wallpaper is different and does not appear) and I can ...
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0answers
26 views

How to add White Dot pattern to desktop background?

I'm relatively new to Ubuntu and using 14.04. I have a desktop background which looks a lot better with all those white dots of login screen. Actually, to me all my backgrounds look much better with ...
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81 views

14.04 Login Loop

I know there are already several questions about this problem. However, I did not find a solution using the answer already provided. I just installed Ubuntu 14.04 LTS dual-boot alongside Windows 8. ...
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2answers
52 views

Ubuntu stopped working after update

After the actualization of yesterday (3/16/2016) my graphical interface shows malfunctioning (I have a nvidia gtx 750 ti and the login screen has a resolution of 640x480). But what is worse is that ...
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1answer
137 views

How to change login screen background Ubuntu Gnome 15.10

I'm using Ubuntu Gnome 15.10 and my gdm version is 3.16.2. I know that there are a few different threads here and articles at other websites about customizing the login screen in Ubuntu older ...
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1answer
33 views

Unable to log in after graphics driver change

After switching from the proprietary to the open source AMD GPU driver via the "additional drivers" menu, my display was not recognised properly after rebooting. It was automatically set to 93Hz (60Hz ...
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1answer
43 views

How to reset unity in Ubuntu 15.10 without WiFi

I have just recovered my Laptop from a GRUB issue now when I want to login, the screen splashes and go back to login screen, I can login fine using terminal, Some people say you need to reset unity ...
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0answers
69 views

Ubuntu 14.04 goes to Login screen after booting up - Automatic Login is ON

I am having a weird problem with Ubuntu 14.04 on my INTEL NUC for quite a long time now. When I boot up Ubuntu, It boots up automatically to the Desktop but then immediately goes to the Login screen ...
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0answers
36 views

Immediately returns to login screen after logging in

So I just had a software update on ubuntu 14.04 and now when I try to login, it just sits there for a few seconds then returns to the login screen. I've tried restarting and doing a few things I found ...
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2answers
183 views

Ubuntu 14.04 stuck in gui login loop and after fix attempt no login gui

My Ubuntu 14.04 was stuck in a login loop under all profiles including the Guest profile. I do get a terminal session through ssh from another computer, and I can Ctrl-Alt-F3 to a terminal. I tried ...
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0answers
12 views

Log on screen loading issues?

I recently just started having issues with my screen. Here is what happens. When I am on my machine for a certain amount of time then close my screen and it locks I use my sudo password to log back ...
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1answer
62 views

Not able to sudo after running `chown -R username:usergroup /*` [duplicate]

I am fairly new to Ubuntu. I am currently using Ubuntu 14.04 version. I am stuck into a problem that my primary user account is not functioning after i ran a command chown -R username:usergroup /* on ...
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0answers
24 views

Unable to use a session in Ubuntu 14.04 clean install

I am relatively new to Ubuntu. I've only used Linux for some Raspberry Pi projects, but I recently installed Ubuntu on an old computer for my wife to use at home. Computer: Dell XPS with Intel Core ...
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0answers
37 views

Unable to login with my main user account

I am using Ubuntu 14 and when I try to login with my main user account, it accepts the password, but it does not enter. It gets stuck there showing only the wallpaper. It neither returns back on login ...
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0answers
36 views

Ubuntu 14.04 crash when opening HTML file in firefox. Dual boot UEFI

So I just installed Ubuntu 14.04. The problem is that when I open an HTML file in Firefox, I get logged out to the login screen, and from this point I can't log back in for 2-3 minutes (I get logged ...
0
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1answer
20 views

how to make unity available on login-screen

I've installed unity over kubuntu 15.10 and I can see it on the login screen. how could I do to make it available?