0
votes
1answer
20 views

Login screen freezed after resume

Today I came into strange problem. Yesterday, as always, I suspended my Ubuntu 14.04 (Unity) laptop for night. Today as I open it up it shows login screen (lightdm) but it is impossible to write ...
0
votes
2answers
187 views

Ubuntu release upgrade from 13.10 to 14.04 fails - log-in fails

Upgrading Ubuntu To upgrade from Ubuntu 13.10. to 14.04. I ran sudo do-release-upgrade. The first attempt failed and I found the following message in the error log: ...
0
votes
0answers
25 views

Can't set unity-greeter background on 12.04.1

I used Ubuntu Tweak to customize the login screen. Changed the background settings, so it used desktop wallpaper as login screen background. It worked at first but then I selected a custom wallpaper ...
0
votes
1answer
40 views

Fluxbox Lightdm nautilus

I recently started using fluxbox, I'm using Lightdm as a desktop manager and was using gnome/unity before fluxbox. I'm facing a few troubles while trying to adapt to this new window manager, the ...
0
votes
0answers
67 views

14.04 Unity not working after reboot

Earlier today I finished an apt-get upgrade and my machine reported that it needed to be rebooted. So I shut everything down and rebooted the box. The shutdown didn't go as smoothly as I would like ...
1
vote
0answers
16 views

Unity unable to login (can login with xubuntu) [duplicate]

Any and all help would be appreciated... Ok so. My laptop is Ubuntu 14.04, and the other day I restarted it and then was no longer able to login. So what happens? I attempt to login (lightdm) and ...
0
votes
0answers
43 views

Change unity for gnome-fallback

I am trying to set up a couple of computers with Ubuntu 14.04. When we had the computers running 12.04 we were able to get users to log in with gnome-session-fallback as a default. However, I am ...
0
votes
1answer
68 views

Kubuntu + kdm blank desktop

I recently did a sudo apt-get install kubuntu-desktop. Reboot loaded a kubuntu splash screen, then loaded the unity desktop. I read you needed kdm to handle the log in screen, so I did sudo apt-get ...
1
vote
2answers
240 views

Ubuntu 14.04 - No Unity in user account, but in guest account

Yesterday I switched back from Linux Mint to Ubuntu 14.04 and after installation I faced the following problem: When I login with my user account Unity isn't loading. I can see no desktop elements - ...
0
votes
0answers
253 views

Cannot login to Ubuntu 14.04 returns to the login screen

I updated to 14.04 from 12.04.03. I was using cinammon at that time. When I upgraded to 14.04 ,I got a serious problem. I was unable to login, as whenever I hit enter after entering password, it is ...
1
vote
0answers
701 views

Unable to reinstall unity-2d on Ubuntu 14.04 desktop LTS?

It is wiered that I'm not able to reinstall unity-2d on my system. I removed it as it was not ready to go into the 2D mode. I have XRDP install for which I need Unity-2D. after removing the unity-2d ...
0
votes
1answer
70 views

I've broken lightdm

I've installed xubuntu-desktop metapackapge on my system and afted this action unity-greeter has gone away. Ive purged lightdm twisely, then installed lightdm and unity-greeter. But still no result. ...
1
vote
0answers
26 views

NVidia screen config

How do I restore the display config to the one I got during installation? I'm running Ubuntu 14.04 with dual nvidia gtx 570 connected to two screens. When I installed ubuntu at first I ran 13.10 ...
0
votes
1answer
69 views

How can I restore my Unity after removing KDE?

Eliah Kagan's answer to how to remove KDE here (How to remove all traces of KDE installed) is a great first step in removing KDE from a Ubunutu, but I still have remnants of KDE that were not removed ...
1
vote
1answer
292 views

How do I get my Unity login screen back after installing Lubuntu Desktop on 14.04?

I have installed lubuntu-desktop and xfce4 on a Ubuntu 14.04 installation. After doing so, my login screen changed. I have tried resetting my LightDM and attempted to modify the lightdm file, where ...
0
votes
0answers
46 views

Unity will not log on

Unity will only log onto the guest version on my computer, when I type in my password normally it momentarily flashes to a black screen then return to the login screen. When running unity through ...
4
votes
1answer
224 views

No lockscreen option in CCSM 14.04

I expected to find Lockscreen option in CCSM after upgrading to Ubuntu 14.04, in Unity Plugin, general section, in order to switch between unity and lightdm. Unfortunately, It's not in the tab. Why?
0
votes
1answer
30 views

How to show old account on the greeter

TL;DR --> I want to know how to make an old account show up after reinstallation of Ubuntu so that I can log in to that account and not have to reinstall all the other software I had installed on that ...
0
votes
2answers
105 views

Why do desktop / monitor screens fail after staying logged in overnight?

I am currently running Ubuntu 13.10. I experienced this same issue with Ubuntu 12.04, so I dont believe the following issue is tied to a specific release. I am using Ubuntu for work, by choice. Id ...
0
votes
1answer
83 views

Any way to change lightdm unity greeter background without changing current config files?

About changing lightdm unity greeter background image, most answers are to change /usr/share/glib2.0/schemas/com.canonical.unity-greeter.gschema.xml. Is there any way to change the default wallpaper ...
2
votes
2answers
201 views

Not able to login with LightDM

I am using Ubuntu 13.10 with Unity desktop. Unfortunately I am not able to log into my desktop. After entering correct password it keeps looping back to login. Could you please help me to sort out ...
1
vote
1answer
479 views

How to add a session type button to lightdm-webkit-greeter theme?

I'm experimenting with the webkit greeter for lightdm. Ubuntu 13.10 64 bits. I want to learn to create my own themes. I noticed that the default theme does not show a language select button or a ...
0
votes
1answer
126 views

Add existing user to Unity

Short story How can set Unity as desktop environment for an user created with Shell? Long story On a VM running Ubuntu 12.04 configured as LAMP, I need to use the desktop environment Unity for the ...
19
votes
1answer
1k views

What is the relationship between Unity, Gnome, Gnome 3, Compiz, Metacity, and LightDM?

I am learning about Graphical User Interfaces in Ubuntu and constantly come across different terms, which cause a lot of confusion for me. I have tried reading easy-to-understand tutorials about the ...
0
votes
1answer
1k views

Stuck at boot screen 12.04

I tried to install a lightdm greeter theme but after dissapointing results I chose to try gdm instead, which prety much reconfigured my desktop theme, so I chose to remove them both. Since the last ...
0
votes
0answers
188 views

Logging out from Ubuntu takes too long

When I first had only Unity as a desktop manager, I didn't need to log out so I'm not sure if this issue has been around before. I'm say so because It's important to know that I currently have Xfce ...
1
vote
1answer
286 views

Can not login to Ubuntu 13.10 after reboot

For some reason on my System76 Bonobo, after a reboot, i try to login and I get a blinking cursor in the top left for a few seconds, than right back to the login screen. It SEEMS like lightdm crashes. ...
0
votes
2answers
86 views

No unity after login to main user account [duplicate]

Yesterday my computer stayed open all night and then when battery was empty it turned off. Its normal for my computer. But when at morning I turned it on, there wasn't login screen. It crashed ...
2
votes
2answers
538 views

How to return the login screen of the original unity ubuntu?

I've installed the LightDM GTK+ Greeter 1.7.0 as below sudo add-apt-repository ppa:lightdm-gtk-greeter-team/stable sudo apt-get update sudo apt-get install lightdm-gtk-greeter ...
0
votes
0answers
40 views

Desk top background different than screen lock image [12.04.3 from 10.10]

Upgrading from 10.10 to 12.04.3 is quite a jump. So far so good with a simple question. In 10.10 my desktop background and my lock screen were not equal. If I remember correctly the password lock ...
1
vote
0answers
207 views

Can't start gnome-flashback or unity using Xvnc + XDMCP

I configured my Ubuntu 13.10 using this article on IBM's website. Now I can connect to LightDM, select user and enter password, but DE doesn't start. I can see the logged-in user using who command. ...
0
votes
1answer
81 views

How to enable unity-greeter in Ubuntu 12.04?

If you want a different session for the default, you can modify this option. Manually add the following line in the [SeatDefaults] section of (sudo gedit) /etc/lightdm/lightdm.conf: [SeatDefaults] ...
0
votes
1answer
359 views

Ubuntu vnc4server no working session only terminal

So I've trid to get xrdp working on Ubutnu Server 13.10 which meant a lot of messing around with lightdm and gdm. So after giving up on xrdp i switched to vnc. I installed vnc4server purged lightdm(as ...
0
votes
4answers
2k views

How to uninstall lightdm?

I removed Unity from my computer. But still lightdm is showing when I typed sudo dpkg-reconfigure lightdm. I want to remove it. What can I do?
0
votes
0answers
74 views

Unity Does Not Work after reinstall

I started out with Ubuntu 12.04 LTS. Then, I installed kde (by using sudo apt-get install plasma-desktop), removed unity (by using sudo apt-get remove unity unity-2d unity-2d-shell compiz), installed ...
0
votes
0answers
193 views

13.04 - endless login loop

I don't know what I did other than stupidly typing 'startx' in a ctrl + alt + F2 terminal. Now, when I shutdown, it went to login screen. I thought wierd and tried to log back in and got stuck in and ...
2
votes
0answers
218 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 ...
0
votes
0answers
542 views

Issues changing lightdm unity-greeter background Ubuntu 12.04:

Following the guide at: How do I change the wallpaper in LightDM? I attempted to modify the background for the unity greeter. However, whenever I attempt to turn off dynamic switching: ...
0
votes
0answers
158 views

After logging into Guest Account, my user's desktop customizations are gone

This is a weird one. Out of curiosity I had clicked on the Guest Session option at login, to see what it was like. Now, when I log into my original user, all of my desktop customizations are gone and ...
0
votes
0answers
112 views

How to prevent users from shutting down or rebooting from Unity and Lightdm in Ubuntu 13.10?

I'm trying to remove Shutdown/Reboot/Sleep (just want to leave the possibility to log-out) from the unity and lightdm menu on Ubuntu 13.10 but to no avail. I've already tried to apply polkit-1 ...
0
votes
0answers
33 views

Login screen loops on Unity, how to get out? [duplicate]

I understand that there are several questions discussing essentially the same thing in the past, and I have already looked through most of them. I have a Ubuntu 13.04 installation that was working ...
-1
votes
1answer
50 views

Problem logging in ubuntu and opening launcher

Today I installed kubuntu (out of a mis-understanding) then tried to restore back to ubuntu using phychocats method but now I have too many issues. a) When I turn computer or it says that it is ...
0
votes
0answers
230 views

Unity Fails to Load

I recently installed Gnome 3.8 to play around with it. I thought it would only add it to my session manager, but it also made it default and began using the GDM instead of LightDM. Then, things got ...
3
votes
0answers
1k views

Ubuntu 12.04 Unity: Black screen with cursor only, when external display is connected before booting laptop

Whenever I connect an external display to the DSub port of my laptop before booting into Ubuntu, something goes wrong in Unity to cause the exact same problem as described here: After logging in, ...
2
votes
2answers
2k views

How can I revert ubuntu settings after gnome-shell install

I have Ubuntu 13.04 32 bit. Recently, I installed Gnome 3 because I wanted to try something new. It looked and felt awful, so I removed it via ppa-purge. Unfortunately, some of my setting were ...
1
vote
2answers
103 views

How much is Ubuntu 13.04 related to/depends on Gnome?

I noticed that Ubuntu Unity (13.04) uses a lot of gnome related packages, even with no added stuff to its configuration. In a first install of Unity, I messed up with my configuration because I tried ...
0
votes
1answer
152 views

No unity shell , no unity panel and no dual monitors

I did something terrible this morning you can see here. Now that problem was fixed , apt was working fine and so was the update manager . after installing all updates , I rebooted. And I could not ...
0
votes
1answer
661 views

launcher, top panel disappeared and global menu & hud disabled

This morning, I removed all the unity-webapps-something and didn't pay attention that removing unity-webapps-service or unity-webappas-common required to remove other key packages: The following ...
1
vote
0answers
333 views

How do I restore the default settings and video driver after installing Nvidia?

I downloaded Nvidia driver from its official site and installed it in 12.04. But, I didn't notice that my laptop have an Intel HD 400 and a GT 620m video card, and Ubuntu does support the double video ...
1
vote
2answers
669 views

Login screen on my desktop error

When I log in my Ubuntu 13.04 account, my login screen still shows up as my desktop background, making my computer slow. Recently, I made some changes when I log in, such as removing both "Guest ...