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
345 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
207 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
1k 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
85 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 ...
0
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1answer
827 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 ...
1
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0answers
336 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 ...
0
votes
1answer
86 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
558 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
2answers
92 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
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0answers
74 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: ...
0
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0answers
25 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 ...
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1answer
126 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
62 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?
0
votes
1answer
107 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
votes
1answer
101 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
46 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
48 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
95 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
38 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
493 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
209 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
votes
0answers
40 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
53 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
19 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
64 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
175 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
39 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
37 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
votes
0answers
15 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
1k 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
votes
0answers
39 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 ...
1
vote
0answers
57 views

How do I change the appearance of the Unity greeter? [duplicate]

Is there any way to change the appearance of the Lock Screen on Ubuntu 13.10 (unity)? At current its simply a black screen with a tiny clock on the upper right corner. I would like to change this to ...
2
votes
1answer
101 views

How to show the login screen instead of the lock screen?

I want Ctrl+Alt+L and being idle to trigger dm-tool switch-to-greeter (goes to login screen) instead of lock screen I intend to replace every event where lockscreen would appear to show login ...
0
votes
0answers
71 views

Add logout button to lockscreen in 12.04

How can I add the "Log Out" button (that lets users log out other users after a certain timeout) to the lock-screen in Ubuntu 12.04? I know it was possible in 10.04, but I can't seem to find the ...
0
votes
0answers
104 views

Lenovo ThinkPad T530 Docked. When Ctrl+Alt+L is pressed, screen freezes, locks up, and has to be rebooted. When not docked, no issues… 12.04

I have ran into an issue as of late, not sure if it has something to do with an update, an application I installed, or some crazy voodoo. Pretty much like the title describes, when I have my Thinkpad ...
0
votes
2answers
990 views

Which command locks screen with lightDM?

I used to lock screen with this command, but it stopped working recently, probably after update. I'm running VERSION="13.10, Saucy Salamander". How can I restore this function? $ gdmflexiserver ...
1
vote
1answer
296 views

Is there an application that can unlock my computer via Bluetooth?

I have a Mac and I use an application called TokenLock that uses my iPod's Bluetooth signal to lock/unlock my computer when I get near/too far from it. Is there something like that for Ubuntu?
2
votes
0answers
613 views

How to disable xscreensaver lock on suspend?

I have recently installed Ubuntu 12.04 LTS and have installed xscreensaver. As I am the only user on this computer and I am only using the computer for music, movies, and some web browsing I have no ...
3
votes
2answers
208 views

No wakeup after screenlock

After 10 minutes my desktop computer darkens the screen, and when I move the mouse or tab any key it comes back alive and asks for my password. That is perfect and the behavior I like to have it. But ...
1
vote
0answers
98 views

Turn off monitor only after locking screen

I see there is no setting to turn the monitor off after the screen is locked unlike the one for screen locking which can be set to act after the monitor has been turned off. I do not want the system ...
1
vote
2answers
294 views

How to run a script each time I login AND unlock session

In Saucy salamander I need to run a script each time I login then each time I unlock the session after manual lock or auto sleep. I can't use "Startup Application" for that because it wouldn't trigger ...
0
votes
0answers
24 views

Ubuntu maxes brightness after lock

If I press Ctrl+Alt+L, brighness level sets to the maximum. It started from latest "Ubuntu base" update. How to disable this?
1
vote
1answer
26 views

Blanking screen @ 30 Second intervals for no apparent reason

My screen keeps blanking at 30 seconds if nothing is touched or moved. It seems to have started after a recent update. I have tried changing screen-saver settings, xset values, and installing ...
0
votes
0answers
21 views

Two password prompts after fadeout

I'm working on Ubuntu 13.04 with Gnome Shell. I already had some issues affecting my desktop background in Unity on the same installation and could not solve it: Unity desktop "smears" ...
0
votes
1answer
47 views

screensaver lock won't release

I have my Ubuntu 12 desktop set to lock after a time period-- this works fine, but when I go to unlock it sometimes (usually only after leaving it locked overnight) won't come out of the locked ...
0
votes
0answers
26 views

Ubuntu lock screen doesn't stay blank?

When I lock my Ubuntu 12.04 screen with Ctrl + Alt + L, the screen goes blank (as it should) and in 30 seconds, the login prompt is shown again. Then "session expired" message is seen and it goes ...
0
votes
1answer
95 views

How do I bind a key to a command on the lock screen?

I want to bind a key when the lock screen is up (or the screensaver is on). My machine is often locked and I want to be able to hit a shortcut to run a script in my home directory. I've used System ...
0
votes
1answer
155 views

Screen does not switch off when idle

I'm using 13.04.3 LTS on a desktop machine. Whenever I lock the screen, the screen goes blank for a couple of seconds, but then shows the login screen again. It never actually switches off (the ...
1
vote
2answers
466 views

How to disable screen lock timeout from a script?

I'm looking for a way to disable screen dimming and desktop locking timeout from a bash script on Ubuntu 13.10. The script should be run when user logs in (configured in Startup Applications window) ...
2
votes
2answers
162 views

Can you lock the Unity screen after 15 minutes, not shown in “Brightness & Lock” dropdown?

In Ubuntu 13.10, the Brightness & Lock dialog lets you lock the screen after idle time of 1, 2, 3, 5, 10, 30, and 60 minutes. Is it possible to set a different idle time not shown in this list, ...