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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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?
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0answers
55 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 ...
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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
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1answer
71 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
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1answer
234 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 ...
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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. ...
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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 ...
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0answers
17 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
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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 ...
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40 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 ...
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0answers
58 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
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1answer
110 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 ...
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73 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 ...
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110 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 ...
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2answers
1k 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 ...
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1answer
383 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?
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0answers
923 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 ...
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2answers
220 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 ...
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0answers
102 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 ...
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2answers
386 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 ...
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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?
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1answer
28 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 ...
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0answers
22 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" ...
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1answer
54 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 ...
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0answers
32 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 ...
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1answer
104 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 ...
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1answer
188 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 ...
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2answers
564 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) ...
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2answers
169 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, ...
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0answers
341 views

Display date/time in Ubuntu lock screen (cinnamon-like)

I was using Ubuntu 13.04 till a few days ago. I had installed Nemo and I guess cinnamon got installed too (I was still using Unity nonetheless). One of the good things about that was the lock screen ...
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0answers
141 views

Desktop Enviroments: Lock screen widgets availability

I use two awesome de for me (MATE and Cinnamon). Also I like KDE but not too much. But this question about not desktops but lock screens. Can anybody answer, is it possible to add widgets (like ...
2
votes
1answer
825 views

Can't switch language in Ubuntu 13.10 lock screen [duplicate]

I'm using Ubuntu 13.10 and have two keyboard layouts installed (English and Hebrew). If I forget the Hebrew as active language and the computer locks, I can't switch it back to English in the lock ...
4
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2answers
209 views

How can I disable the screen-saver on tablet with Ubuntu Touch Saucy?

How can I disable screen-saver Ubuntu Touch Saucy on my phone or tablet (Nexus 7) ? I do play a internet radio streaming with the mplayer (from terminal application). Unfortunately the tablet stop ...
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2answers
235 views

Is it possible to get the normal login screen when resuming from suspend?

I noticed that the login screen that I get when the system first boots up is different from the login screen I see after I resume from suspend. I'm wondering if it is possible to get the same login ...
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3answers
359 views

How to make a simple fast and lightweight custom screen locker?

Day to day I'm seeing many questions which say: Screensaver/lock doesn't work. Screensaver doesn't require password after waking or doesn't lock the screen. Can not exit screensaver / nothing works ...
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0answers
40 views

Possible to use screen lock as timeout?

What I'd like to do is lock the screen and have it wait a set amount of time (eg 20 mins) before it lets me log back in - so I make myself to have a break from the computer. Is it possible to do ...
2
votes
1answer
214 views

How to keep application running on external monitor when ubuntu locked

I would like to keep a dashboard-style app running full-screen on one of my monitors while I'm away from my computer. (And the computer is locked.) I don't need any user input in the application, I'd ...
0
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1answer
365 views

Where do I change the screensaver options in 13.04?

I'm having a problem with the screen blanking every 10 minutes. I've tried every fix suggested on ask ubuntu but nothing has worked. I typed $xset -q $ xset -q Keyboard Control: auto repeat: on ...
0
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1answer
281 views

Lost lockscreen after uninstalling cinnamon from 13.04, how do I get it back?

Alright, I just received a cinnamon update (presumably to Cinnamon 2.0) and for some reason that update changed my lockscreen, even though I'm using Unity. I wasn't using cinnamon anyway and wanted my ...
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5answers
6k views

How do I disable the Cinnamon 2 lock screen?

When my computer is locked, I am presented with the default Ubuntu lockscreen. When I enter my password and unlock it, I am presented with the Cinnamon 2 lock screen and I have to enter my password ...
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0answers
79 views

lock-up recovery procedure after the screen lock timeout

What is the procedure for resolving Ubuntu lock-ups? After the timeout and associated screen lock, wake-up activity such as mouse movement or key presses -- I usually use the harmless shift key -- ...
3
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1answer
403 views

Unlock Gnome 3 without mouse

When I want to unlock my screen in a Gnome 3 session, I have to use my mouse to "drag up" the screen and uncover the password input. I would prefer to not use the mouse for that action since I am ...
0
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1answer
251 views

Screen glitches or freezes after screen lock with Intel Video Driver

I'm running 13.04, and have an Intel HD 5200 display, using the Intel drivers. When the screen times-out and locks, most of the time one of two things happens: Either the current windows are still ...
0
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1answer
591 views

Display lock screen message in kde

I would like to display a message such as will be back in 10 minutes when you lock your screen in kde? I could not find an option in the system settings. How do you display a message when you lock ...
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0answers
49 views

Gnome: I cannot use the Screensaver key for a custom command

I wanted to reassign the FN + F2 (Screensaver) keyboard shortcut to use a custom shortcut with it. I got the warning that this will disable the default keyboard shortcut to lock the screen. However, ...
0
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1answer
422 views

How to “switch user” under KDE without locking the current session?

The family computer has 3 users (mom, dad and daughter). All 3 use KDE. Daughter is too young to deal with passwords, so she is a member of the nopasswdlogin group so she can log in without a ...
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0answers
142 views

Make gnome-desktop clock larger

I use Xfce with gnome-screensaver. Is it possible to change the font size of the date/time in the lock screen (on the top bar) without making any changes to font sizes elsewhere? Thank you
3
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2answers
4k views

Unlock login screen using command line

Is it possible to unlock the 13.04 Gnome shell login screen from a command line? A user is logged in to Gnome shell, I can log in to a console as this user. I also have root access. This is for ...
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0answers
43 views

Getting a blank screen with the mouse when i re-log in

10 so any help you can give will be very useful I'm using an HP G62 laptop with intel HD Graphics card and an intel i3 Quad-core processor. When i first boot my laptop, i can login just fine and work ...
3
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2answers
384 views

Bash script to start 'motion' on screen lock

I wish to write a bash script that executes on start up Ubuntu 13.04 and starts motion whenever the screen is locked. Being a novice at bash scripting, I wasn't able to understand the various help ...