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

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3
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0answers
36 views

Cannot login after routine update

I went through a regular daily update a couple of weeks ago, and since then I have been unable to log in to my ubuntu account or the guest account. I have tried the solutions suggested in these ...
3
votes
0answers
243 views

After Upgrade from 13.04 to 13.10 missing user in login screen

I have upgraded to 13.10 from 13.04 now after booting (even after updates and rebooting) my user id is not listed. It has a uid higher than the minimum in lightdm.conf. I have the user light display ...
3
votes
0answers
427 views

How to get 12.04's login screen (lightdm) to display the shutdown menu like 10.04 when the computer's physical power button is pressed?

In Ubuntu 10.04 while at the login screen (gdm), when the computer's physical power button was pressed a screen popped up that offered options on shutting down the system (shutdown, restart, cancel, ...
2
votes
0answers
27 views

Udev rules for USB mounting and Low Graphics Mode error

I have a file containing the content bellow KERNEL!="sd[a-z][0-9]", GOTO="media_by_label_auto_mount_end" # Import FS infos IMPORT{program}="/sbin/blkid -o udev -p %N" # Get a label if present, ...
2
votes
0answers
50 views

Unable to login from User account or Guest account (not a duplicate question)

I have Dell 3521 laptop without dedicated video card. It came with Ubuntu 12.04 installed. One fine day, it prompted me for an upgrade, which i went for. During upgrade, its battery finished and once ...
2
votes
0answers
44 views

System Logs out when unused for some time instead of going into lock screen

I have switched to XFCE4 some days back from Unity, but now i again switched to Unity. From that time onwards I am facing following problem. My system logs out automatically when unused for some ...
2
votes
0answers
59 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 ...
2
votes
0answers
181 views

Changes in /etc/lightdm.conf.d/*conf or /etc/lightdm.conf makes any difference

I am trying to make my lightdm use a correct setup of my displays both for login and session. I have most likely misunderstood something here, but by reading the wiki I did the following: I have ...
2
votes
0answers
49 views

No Desktop after suspened or logged out 14.04

Ubuntu 14.04 w Cinnamon When the system suspends or logs out sometimes(see time note below) the login menu does not reappear or sometimes the desktop and all features do not appear and are not ...
2
votes
0answers
250 views

Lubuntu 14.04.1 Login Screen Resolution is Not Perfect

I have recently done a fresh installation(not DUAL Boot) of Lubuntu 14.04.1 LTS i386 on my desktop. Now the problem is, my screen resolution is 1366x768, i.e. I am using a wide screen monitor and when ...
2
votes
0answers
94 views

Select account based on password instead of username

Sometimes I might be forced to open my PC in front of strangers for some reason. In front of other people, I would like to make it appear that I'm logging in normally into my computer, but secretly I ...
2
votes
0answers
226 views

How do I rotate the login screen?

So I am trying out the 14.04 and I keep both of my monitors in portrait mode. But the login splash is in landscape. But I can't seem to figure out how to rotate my login splash or where the config is ...
2
votes
0answers
193 views

Missing Unity Desktop /w SLiM Login Manager

Not too long ago I installed SLiM (Simple Login Manager) as my Login Manager for Ubuntu 13.04 just to give it a try out to replace the default Ubuntu Login Manager. After getting SLiM successfully ...
2
votes
0answers
115 views

Gnome extensions don't work! I've tried everything!

When I go to https://extensions.gnome.org/, and try to install an extension, it clicks on, but nothing happens to my shell. Then, when I reload the page, the slider has turned off. Here are the things ...
2
votes
0answers
2k views

13.10 start up into low-graphics mode

I am running Ubuntu alongside Windows 8 on an Acer Aspire E1-571G. I was using Ubuntu 13.04 and today upgraded via the CLI to 13.10 Now Ubuntu doesn't take me to the log in screen to type in my ...
2
votes
0answers
312 views

Installing Ubuntu TV

I have installed desktop and wanted to install Ubuntu TV. I followed the instructions, and rebooted to the login screen. I clicked unity 2D, but it just takes me back to my main login screen, where I ...
2
votes
0answers
129 views

How to change the login type in Ubuntu 13.04?

Whenever I change to Gnome Fallback, Ubuntu changes it right back to the default Ubuntu, any help? Oh, and this is on Ubuntu 13.04
2
votes
0answers
279 views

Login Wallpaper Spanning Dual Monitors in 12.04

Is there a way to make the background on the login screen span dual monitors rather than being mirrored? I know it's possible for the actual wallpaper when you're logged in but can't find an option ...
2
votes
0answers
1k views

Unable to change desktop environment in 12.10

I upgraded to 12.10 some days ago and now I'm unable to change between the environments. I currently have GNOME 3 (with extensions), KDE and, of course, Unity installed. The computer is a Lenovo G550. ...
2
votes
0answers
207 views

Starting minecraft logs me out of ubuntu 12.04

Whenever I start minecraft I can only get past the login screen. After that, the screen flashes dark, occasionally showing a Checking battery state ... [OK], and then it brings me to the login ...
2
votes
0answers
3k views

Stopping system V runlevel compatibility - Stuck on logon screen

My wireless stopped working suddenly and I tried to reinstall the driver. I think that I installed the wrong one and after rebooting I am stuck on Ubuntu login screen. When I try to login Ubuntu ...
2
votes
0answers
99 views

How to make a login screen display an auto-changing background?

Is there a way to make the login screen show an auto-changing background, as to be able to create an animation-like screen? I have used Ubuntu-tweak but that didn't help. Can I manually edit the ...
2
votes
0answers
1k views

Login screen restarts while entering password

I am having a problem that only occurred after installing the fglrx proprietary driver through the additional drivers app. The exact same issue is described in this question, however it's closed. ...
1
vote
0answers
5 views

Challenge-response local user login

Is it possible in Ubuntu, or in any Debian based distro, to use Digital Signatures with a Challenge-response setting for local user login(I don't mean ssh), instead of a password ? Storing the key on ...
1
vote
0answers
19 views

Webkit-greeter only changes after a restart, not when logging out or locking computer

On Ubuntu 14.04, I installed the lightdm-webkit-greeter using sudo apt-get install lightdm-webkit-greeter then, I did the following to get the greeter I wanted: cd /usr/share/lightdm-webkit/themes/ ...
1
vote
0answers
56 views

Log in with password not working(Lubuntu-15.04)

I have enabled the Password:asked on login from the users and groups available in the system tools. But however it's not working for me. When I login to lubuntu it automatically goes to the session ...
1
vote
0answers
80 views

Can't login into Ubuntu VM

I've installed Ubuntu 14.04 32 bits into VirtualBox on a Windows 8.1 32 bits, but when I try to login, it just sits there for a while thinking, a black screen pops and it goes back to the users, it ...
1
vote
0answers
26 views

Cant login after installation

I have installed Ubuntu 15.04 but then i try to login using my password the screen goes black and some text is shown realy fast in the upper left corner then I am back at the login. Why cant I login?
1
vote
0answers
35 views

Ubuntu wont load after installing SLiM

A few moments ago I decided to give the SLiM display manager a go, and I installed it with apt, then I restarted my PC and it got stuck at the loading page with the ubuntu logo and the six loading ...
1
vote
0answers
64 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 ...
1
vote
0answers
192 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 ...
1
vote
0answers
551 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
vote
0answers
98 views

Cannot login in Lubuntu

(Running Lubuntu on Odroid U3) Did a kernel update, apt-get update, apt-get upgrade, software update (by GUI) and restarted. When I tried to loggin in the login-screen (doesn't matter if LXDE, ...
1
vote
0answers
25 views

How to Make Ubuntu User Default

I am switching from Lubuntu to Ubuntu Unity. However, unless I specifically set at login Ubuntu as my environment I get LXE without any taskbar -- I purged Lubuntu desktop. How do I set Ubuntu Unity ...
1
vote
0answers
84 views

14.04 Random Logouts

Relates to the unsolved question #166687 I also am using chrome when the screen goes black and I'm at the login screen. Everything I had open is now closed and my keyring was not unlocked at login.
1
vote
0answers
369 views

Ubuntu 14.10 Lightdm greeter resolution before login

There are various answers for changing the resolution of the Lightdm greeter before login by adding a root executable script to /etc/lightdm/lightdm.conf like this: [SeatDefaults] ...
1
vote
0answers
27 views

login screen problem related to user partition

Every time I switch on my pc, I see the screen message: user/local disk cannot be found please mount it manually or press 'S' to skip What I did was I created a /home partition and local/user ...
1
vote
0answers
214 views

Upgrade from 12.04 to 14.04, re-activation of 3rd party sources, login doesn't show up

I've just upgraded from 12.04 to 14.04. It went all fine, also the restart. Then, I re-activated some third party packages sources, and I did some updates. Afterwards, ubuntu doesn't start. The screen ...
1
vote
0answers
160 views

Install Ubuntu flavors in Ubuntu 14.04 without changing the startup/login screens?

I recently installed the community's customized Linux desktops on another machine, such as KDE and LXDE, but I also noticed my boot-up screen and startup screen changed. Is there any way I can ...
1
vote
0answers
151 views

Trying to change desktop environment but stuck on log in screen.

Im currently running lubuntu and was trying to try out gnome. now im in the log in screen and changed it to gnome in the top right hand corner. I proceed to log in but the screen goes black and the ...
1
vote
0answers
202 views

unity-greeter login background won't change according to the user that is highlighted

I use Ubuntu 12.04. Recently, I change to use another Accounts Service which could remove certain users from the graphic login screen of unity-greeter. I downloaded source code from a branch of ...
1
vote
0answers
123 views

How do you change keyboard layouts from the login screen in Xubuntu?

I've set up multiple user accounts in Xubuntu 14.04. I (the admin) am a dvorak user so I have English US dvorak as the default layout, but the other user is a qwerty user. I've added English US ...
1
vote
0answers
205 views

dual monitor/projector login screen

if have a dual "monitor" setup, where one of the monitors actually is a projector. the projector is not always turned on. the problem is, that the login screen quite often is not visible and the ...
1
vote
0answers
70 views

Is it possible to login into lightdm interactive screen remotely?

I have this big Ubuntu desktop that dubs also as a home cinema PC. When I feel lazy, I'd love to be able to run the PC remotely and watch movies from my bed. I can turn it on via WoL. I can launch ...
1
vote
0answers
67 views

Ubuntu login screen doesn't show up after cleaning NVRAM on a mid-2009 Macbook Pro

I have a macbook Pro mid 2009, with three partitions : OSX 10.8.5, Ubuntu 13.04 and Windows 7. EFI and GRUB are here, first EFI boots with offering the choice of the three systems then, if Linux or ...
1
vote
0answers
857 views

Ubuntu 13.10 How to enable numlock at boot time for login screen?

I found this How to enable numlock at boot time for login screen? But after I performed this steps (luvr answer from Apr 29 '12 at 20:11 ): Ensure that numlockx is installed: sudo apt-get install ...
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0answers
29 views

Having computer switch to guest account after a certain amount of time

Instead of having the screensaver lock my computer is it possible to have it switch to the guest account instead. I'm using ubuntu 13.10 64bit Thanks
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vote
0answers
24 views

Login Screen Makes Me Login 4 Times

Using Ubuntu 12.04, after coming back from suspend mode, I find that I consistently can't login on first try. It usually makes me have to go through it twice, but then it became 3 times, and now it's ...
1
vote
0answers
258 views

Cannot login to 12.04 in the GUI

I have 12.04 on my machine, and after a shut down and a restart I haven't been able to log into the GUI, after entering my password, it switches back to the GUI and does not accept it. I've tried ...
1
vote
0answers
109 views

How to make password visible in Ubuntu login screen?

My six month-old child was hitting the keyboard of my locked laptop. And after some time I noticed that characters in the password entry field are visible (I mean not as asterisks). Is this some kind ...