The lock screen lets a user lock the currently-running session behind a password screen. This screen may either be blank or show a screensaver until mouse or keyboard activity is detected.

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1answer
5k views

Xubuntu 14.04, Power Manager, Screensaver

When my computer is inactive, I keep getting a black screen and the screen goes into locked mode asking for a password, even though in Power Manager I have "Never" set for actions and monitor and ...
0
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1answer
320 views

Double lock screen Ubuntu 14.04

So I've got a brandynew System 76 laptop running Ubuntu 14.04, and if I close the lid, putting it to sleep, and reopen it, I am presented with the very nice new Unity lock screen. However, when I ...
3
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1answer
13k views

Ubuntu 14.04 LTS randomly freezes (graphics/unity only) [duplicate]

When I'm just chilling on the desktop or doing whatever, Ubuntu 14.04 LTS will (every 10-20 minutes or so) just randomly freeze. The screen just stops, I can't see my mouse move, etc. However, I can ...
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0answers
94 views

Force lock screen password input to NOT use Japanese iBus IME

Since I upgraded my 2 laptops from 13.10 to 14.04, I sometimes have a problem entering password to exit lock screen: When typing in the password field of the lock screen, I see that the usual dark ...
0
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0answers
354 views

Lock screen not working

When trying to do something, I used the command "Service lightdm disable" or something like that. From the moment I did that, my lockscreen is not working anymore. How do I make it working again? ...
0
votes
1answer
172 views

Unity lock screen issue

I upgraded from Ubuntu 13.10 to 14.04 and I still have the old lock screen. How do I change to the new one? There was a compiz option to change between the two of them but it was removed in the last ...
2
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0answers
126 views

lock screen asks for root password which I never set

I recently installed Ubuntu server on my server and I found out it had no gui by default. So I installed that with the help of this page Everything seemed to be fine so I started copying some files ...
9
votes
3answers
11k views

Lock Screen not working. 14.04

I recently upgraded to 14.04 and since then my lock screen is not working.I read online that gnome-screensaver is not supported in Trusty and it was suggested that I install xscreensaver instead. The ...
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1answer
412 views

ubuntu 14.04 not coming out of lock, sometimes

I have a clean 14.04 Ubuntu installation on a dell precision T5400 with a NVIDIA card. The system is updated and upgraded. When the system locks after 5 minutes, the system does not show the login ...
0
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1answer
356 views

Screen tuns off during skype video conversation

Fresh install of Ubuntu 14.04 in EFI mode. During skype video conversation screen turns off when, it reaches it value set in "Brightness and Lock" -> "Turn off screen when inactive for" . Is there any ...
4
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1answer
609 views

14.04: password not accepted after computer wakes up from sleep

If i press Ctrl+alt+L to lock the screen, I can get back in by typing my password. If I put the computer to sleep, wake it back up again, I cannot log in anymore because it says the password is ...
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2answers
2k views

How can I lock the screen using the new lockscreen from the command line?

Ubuntu 14.04 introduces a new lockscreen that looks similar to the login screen. I am still able to lock the screen using the command gnome-screensaver-command --lock (as I always did before), ...
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2answers
3k views

Unlock screen in 14.04 without `gnome-screensaver-command`

I've been happily using blueproximity in 13.10, but since upgrade to 14.04 it only locks when my phone goes out of range (using gnome-screensaver-command -l), but it does not unlock with ...
0
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0answers
79 views

When installing/ downloading something, ubuntu (14.04LTS) locks by itself

I have a question regarding the auto-lock of Ubuntu. When I'm downloading something, for instance: Yesterday I downloaded oracle jdk8 using the terminal cause I had to add a ppa. Now my download was ...
4
votes
1answer
459 views

Is there a way to switch users from the new lock screen?

I upgraded to 14.04 from 13.10 and I'm having a couple issues with the lock behavior (ctrl+alt+l). In 13.10 the monitor would go into power save and then when the screen turned back on I was able to ...
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0answers
206 views

My lock screen in ubuntu 14.04 turns ugly after install jayatana

I've already installed the latest ubuntu (14.04), one thing that I notice is the new lock screen, but somehow, my lock screen turns into ugly, like in the previous ubuntu version (13.10 and below). Is ...
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0answers
120 views

Keep Windows in VirtualBox from locking [closed]

I am running a corporate image of Windows 7 in a VirtualBox on my Ubuntu machine. Because of restrictions from the corporation I am not allowed to change Windows so it will not turn on screensaver and ...
2
votes
1answer
4k views

Ubuntu 14.04 lockscreen turns of music + does play 'lock-sound'

My computer automatically locks its screen (as its supposed to do) after the 30 seconds that i've asked for in the lock screen settings menu. Since upgrading from the 13.10 to the 14.04 system, the ...
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2answers
2k views

How do I remove the dots from the lockscreen in Ubuntu 14.04?

You can remove the dots from the login screen in 12.04-13.10 using this method. How do you remove the dots from the new lock screen in Ubuntu 14.04?
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1answer
834 views

The screen locks as soon as I close the lid of my laptop

Whenever I close the lid, there it is the computer is locked. And I don't find any option in the power manager provided by Ubuntu to turn that feature off. Is there a tweak available? There might be ...
4
votes
1answer
324 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?
2
votes
2answers
4k views

Light locker stops background activities (eg. music playback) when screen is locked

I upgraded my xubuntu installation to the new release, 14.04. This release includes a new light-locker, a great improvement if you ask me. The thing is that whenever I try to lock the session or when ...
1
vote
1answer
161 views

Screen truns off when I lock, but doesn't lock. “Lock” settings grayed out

I'm on trusty and I can't lock my computer by any means. When I press Super+L or use the Lock button in the panel, the behavior is the same: the screen turns black and if I move the mouse, my desktop ...
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1answer
1k views

Howto restore the new 14.04-lockscreen

I'm using Ubuntu 14.04 but since some weeks I'm stuck with the old 13.10 lockscreen design for some reason. I already tried compizconfig-settings-manager but it doesn't offer me any option for ...
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0answers
712 views

Disable lock screensaver

The latest update for 14.04 changed the lock screen behaviour. For a while during development of 14.04, the lock screen would not run the screensaver - just lock the screen. The following links to ...
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votes
1answer
95 views

How to alias one command to be resolved into another command?

AFAIK alias is usually used to make 'shortcut' for long command. But what to do if I want to alias one command to another? I need this because I replaced gnome-screensaver with xscreensaver, so the ...
5
votes
1answer
2k views

How can I lock AND blank the screen from the keyboard in 14.04?

In older versions of Ubuntu when you pressed Ctrl+Alt+L it would lock and blank the screen (start the screensaver). In 14.04 it just locks the screen. How can I get it to lock AND blank the screen? ...
0
votes
3answers
151 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 ...
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0answers
92 views

System hang after waking up from hibernation?

I have played with all of my power settings for what I want me want my laptop to do as far as when I close my lid or press power button but it is not quite working correctly heres is what's going on: ...
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0answers
26 views

Help Plz. Screen Power Down & Lock Will Not Work.

So I have a problem here. I have it set so that my screen turns off after 30 mins of inactivity and so that the screen will lock after the screen is turned off. Only thing is is that it is not ...
-1
votes
1answer
176 views

Black lock screen in ubuntu 14 [closed]

In Ubuntu 13 locking the screen would make the screen black. Is is possible to get this behavior in Ubuntu 14? I liked the old behavior, because I could use it, when I did not want to be distracted.
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0answers
95 views

Xubuntu doesn't allow music to play when I lock screen

If I'm locking my screen with xflock4 while playing some music, the music pauses. However, it resumes as soon as I login again. How do I play my music while my screen is locked?
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1answer
151 views

How-to stop computer locking when lid closes?

Here are my power settings: How do I stop the computer locking when I close the lid?
0
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1answer
165 views

How do I lock screen on Live Ubuntu?

I'm running Live Ubuntu 12.04. I don't see the 'Lock screen' button under the top right gear button. The shortcut Ctrl + Alt + L doesn't work either.
3
votes
1answer
75 views

How to launch program on lock and close it on unlock [duplicate]

Have siblings who like to "play" with my laptop by waking it from suspension and then typing random keys on the keyboard into the password field. Afterwards, they always deny it. I plan to install ...
1
vote
1answer
121 views

How can I know when my screen was locked last time?

Exist a log where I can look for that information? I want to know last days when my PC automatically locked the screen because was idle.
1
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0answers
204 views

LightDM will not start & xserver problems Ubuntu 12.04

I've been having an issue with resume after suspend for the past week and a half or so. After waking up the lock screen would be displayed, but I would not be able to type in my password. My ...
1
vote
1answer
47 views

how to display quota info on lock screen?

Is it possible to display user quota info on lock screen or any message at least? because every time user lock in or unlock the first window he/she will look at is going to be lock screen.
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vote
6answers
964 views

Unable to unlock after locking when VirtualBox is in full screen mode

I'm running 13.10 as host, with a VirtualBox 4.2.16_Ubuntu running Windows 8.1 as guest. I had the virtual machine in full screen mode when Ubuntu locked due to inactivity. I tried to wake the ...
1
vote
0answers
416 views

Cannot enter password in lock screen dialog after long suspend

I am currently using Ubuntu 13.10 and recently I've noticed that after my ASUS K56CB laptop goes into suspend mode, and is left like that for a long time (about an hour or more), the password input ...
0
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0answers
43 views

Lock Screen don't works

When I press Ctrl+Alt+L my screen don't lock, even if I click on the word "freeze" my Ubuntu 13.10 don't lock my screen. What can I do?
2
votes
0answers
56 views

Black screen after screen off on 13.10

I swtiched "Turn screen off when inactive for" to 3 minutes and Lock screen after screen goes off to on. The problem is that after the screen is off, when I try to come back I can`t do anything, the ...
1
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0answers
20 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
0
votes
1answer
80 views

Action on unlock/login

I need to run custom command on every login and unlock screen (e.g. user didn't logged out but lock screen). Do you have any ideas how I can implement it? I'm using Ubuntu 13.10.
2
votes
1answer
276 views

How to detect events like lock/unlock screen, enter/return suspend and monitor power off

I am wondering if there is any way to detect system wide events under linux such as: user un/locked session user logs in/out machine sent to suspend screensaver goes on and the monitor switches off ...
0
votes
1answer
40 views

System can not return display after locking

My Ubuntu 13.10 works great except for one issue. When I lock the system and try to unlock after long time I don not get any display on the screen, no matter what key I hit. Kindly suggest a fix. ...
0
votes
0answers
38 views

The screen dosn't dim and go blank after specified system iddle time. Ubuntu 13.10

After upgrading from Ubuntu 13.04 to 13.10 the screen does not dim and go blank after specified idle time in System Settings -> Brightness & Blocking. The PC is Lenovo Ideapad Z580A. Video mode is ...
0
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0answers
23 views

Move the ubuntu lock screen dialog

I simply want to move the password dialog away from the center of the screen. Preferably to the left, where the log-in dialog is.
2
votes
1answer
2k views

How do I change my lock screen in Ubuntu 13.10?

Currently my lock screen is what I am assuming is the default lock screen. the command: gnome-screensaver-command -l activates this screen. I installed light-locker and want the system to use this ...
0
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0answers
48 views

Screen timout doesn't happen when connected to an RDP session via xfreerdp

A very surprising thing I've found in 13.10 is that if I leave my desktop running with an xfreerdp session running in the Ubuntu desktop, when I return after my screen should have timed out, it ...