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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2answers
240 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 ...
0
votes
3answers
386 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 ...
1
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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
221 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
286 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 ...
8
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5answers
7k 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 ...
3
votes
1answer
429 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
votes
1answer
270 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
votes
1answer
637 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 ...
1
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0answers
51 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
votes
1answer
439 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
145 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
4
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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 ...
1
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0answers
44 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
votes
2answers
405 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 ...
1
vote
1answer
636 views

“sleep” button on keyboard puts computer into hibernate

I recently installed Ubuntu 13.04. I changed my shortcut for "Lock screen" to the sleep button on my keyboard. But instead of just locking the screen it puts my computer into hibernation/suspend ...
1
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2answers
1k views

12.04 - Screen glitches / freezes after “Lock Screen”

Ubuntu 12.04, 3.5.0-36-generic kernel through LTS Hardware Enablement stack. HD4600 GPU on top of an Intel Core i7-4770. When I use the "Lock Screen" feature of the desktop, sometimes I will go back ...
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
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2answers
197 views

VirtualBox isn't locked when Ubuntu is locked

I have win7 in my VirtualBox 4.2.10 in my Ubuntu 13.04 x86_64 . My ubuntu is locked in 5 minutes but I can still use win7 when win7 is set fullscreen. I can unlock the ubuntu only after I close or ...
1
vote
0answers
363 views

Ubuntu lock screen will not open

Many times when the screen has automatically locked and I type the password, the message just reappears. I can continue to enter the password, but the message just pops up again. In order to log in I ...
3
votes
2answers
699 views

Ubuntu-GNOME 13.04 - Lock screen takes lot of time to unlock [closed]

I have gnome-screensaver package installed for using Ctrl+Alt+L to lock the screen. Though locking the screen works fine, it takes a whole lot of time to unlock after entering my password at the ...
4
votes
1answer
435 views

Is there a way (hack) to enable Screen Lock but NOT to Lock on lid close?

Here's exactly what I wanted to do: Turn ON Lock (Settings > Brightness and Lock), set the time to wait (Lock screen after:), BUT NOT to lock the screen (e.g. no Password prompt) if I'd only close ...
10
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1answer
1k views

Change unlock screen appearance

I wonder if it's possible to change the appearance of the unlock screen as I'm not a big fan of this default greyish dialog box: (Image reference: ...
2
votes
0answers
98 views

Forcing screensaver lockout time for all users in Unity

I am using Ubuntu 12.04 and Unity. Is there a way to force the screensaver lockout time using an admin account? By default each user can change their lockout time. I need to be able to prevent ...
1
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0answers
148 views

New install and I can't get Ubuntu to work

First of all what happened > I made an Ubuntu live USB to install Ubuntu Raring Ringtail. After Ubuntu said that "it has installed successfully and you need to restart your computer" (Why it doesn't ...
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0answers
220 views

Desktop locked at resume (Kubuntu 13.04)

The system suspends correctly but when it resumes the desktop seems to be locked. No user/password dialog opens, the desktop displays the state of suspend time but it does not respond to mouse clicks ...
0
votes
1answer
185 views

Ubuntu 13.04 crash after a while (Black Screen)

I have an Inspiron 7520. I got an AMD Radeon HD 7730m 2go with a Intel HD 4000 running on Open Source driver updated from X-edgers repository. I got also a I7 2.4ghz overclocking to 3.1ghz. The ...
0
votes
1answer
70 views

KDE randomly locks screen

I have Ubuntu 12.04 LTS and I installed the KDE desktop via the sudo apt-get install kde-plasma-desktop command (I wanted less stuff than the sudo apt-get install kubuntu-desktop command would ...
0
votes
1answer
1k views

How can I disable the lock screen away message in Cinnamon?

I have an issue where the lock screen wants me to input an 'Away Message'. How can I disable this option? This is with the Cinnamon window manager on Ubuntu 12.04.
3
votes
1answer
4k views

Ubuntu 13.04 not locking screen

I might have uninstalled some packages I shouldn't. For now, the only thing I've been missing is the lock screen. When I press Ctrl + Alt + L, or press the "Lock" button on the shutdown menu or I ...
0
votes
1answer
598 views

Where did the lockscreen clock go?

I am using raring dailies, and one thing that my eyes liked was the lockscreen. I really liked the clock. A simple thing, but still really good? Now it is suddenly gone. Did they really remove it ...
4
votes
2answers
269 views

Is the lock screen secure enough to prevent “Mallory” from accessing the encrypted drive?

I use truecrypt to encrypt one of my drives and I would want to leave the computer running processes that use information of that drive while I'm not home, I've tried suspending it but everything ...
1
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0answers
216 views

How do I prevent Ubuntu 12.04 from locking, when using Win7 in VirtualBox?

I use Ubuntu 12.04 plus Windows 7 from VirtualBox. The thing is that, when I am in Windows "too long" (longer than the time after which Ubuntu normally locks), Ubuntu locks. It's not expected, because ...
8
votes
1answer
718 views

Multimonitor in login screen vs. lock screen

I have a multiple monitor setup with two screens. The login screen uses dual monitor mode (as seen on the first picture), but the lock screen (CTRL + ALT + L) uses only a single monitor and disables ...
1
vote
0answers
48 views

How to speedup the rendering of the onboard on screen keyboard in the unlock screen?

I have a panel-pc with a touch-screen and are using ubuntu 12.04 LTS. When the screen is locked and then touched the lock-screen is shown but the onboard osk is not rendered yet. This takes a second ...
2
votes
1answer
250 views

How can the username be removed from the lock screen?

When the lock screen is active (it can e.g. be activated with Ctrl+Alt+L) the username is shown. How can I remove the username from the lock screen? I want the lock screen to simply not display the ...
0
votes
1answer
280 views

No lock screen option for certain user

I seem to have lost the lock screen option for one user of the system. It does not appear in the menu in the top right hand corner (with Log Out etc) and nor does Ctrl+Alt+L do anything despite being ...
0
votes
1answer
358 views

How do I avoid having to unlock twice when using xtrlock?

I've installed xtrlock on Ubuntu 12.04. I run it manually from the command line in the evening, when I want to lock the keyboard/mouse but still leave the screen active. When I come back the next ...
2
votes
1answer
2k views

How to change lock screen shortcut for Ubuntu 12.10 ?

Right now, CTRL + ALT + L locks the screen but I want to make it WINDOWS KEY + L as the shortcut, how can I do it ? Thanks
3
votes
1answer
274 views

Lock screen turn off and on : Goes to a loop asking to enter password to unlock- then turns off again.

I recently updated my laptop from 12.04 to 12.10. And now, whenever I lock screen with "CTRL+ALT+L", the screen locks, and monitor turns off. But within 30 seconds, it turns on and asks for password. ...
0
votes
1answer
121 views

After resuming my laptop it is unlocked for a while before locking

When I close my laptop lid and it is suspended, when I open it again it is resumed but without showing the lock screen which is set to come up. It resumes with access to web pages or programs that ...
0
votes
1answer
402 views

Switch User, Logout, Lock Screen--All Broken

At various times, which I can't pin down exactly, my 12.10 with Unity fails to lock the screen after timeout, fails to log me out when I click Log Out, fails to switch users when I command it, fails ...
3
votes
0answers
206 views

ubuntu 12.10 lock-screen unlockable with old ldap password

I have an ldap server that serves Ubuntu clients and there is a problem when unlocking the screen after a user has changed their password. Initial login works as expected: the user can log in with ...
0
votes
1answer
81 views

Some indicators are missing when unlocking the screen

It happened on my old PC and it still happens with the new one, with a fresh Ubuntu 12.10 installation (Unity). When returning from a screen lock (I couldn't say if it can be replicated in other ...
6
votes
1answer
414 views

What is wrong with this method of using an alternate lock screen background?

I have recently been trying to separate all three wallpaper states that are all the same as default. They are: Unity Greeter Lock screen Desktop All of them have a wallpaper, and as default the ...
1
vote
1answer
525 views

PC freezes after long period of inactivity (~> 30 min) [duplicate]

My Ubuntu system is configured to turn off the screen and lock itself after 10 minutes of inactivity. (System settings ---> Brightness and screen lock). If I leave the PC for about 10 mins or 15 mins, ...
2
votes
1answer
2k views

How to re-enable lock screen?

Once I disabled the screen lock using a command that I can't remember. Now I want to re-enable the screen lock (via Ctrl+Alt+L) but I don't know how. If I look at System Settings → Brightness and ...
5
votes
3answers
577 views

How can I use code or a script to lock my screen programmatically in Lubuntu?

I want to write code or a script to lock the PC when my C++ program receives a specific command from Ethernet. Is there any way to show the Login screen from the command line? I want to lock the ...
1
vote
1answer
348 views

GNOME 3.6 lockscreen from Unity

I would like the GNOME 3.6 lockscreen (GDM 3.6.1) to be called from Unity. I am not a expert, but my impression is that the lockscreen is part of GDM as opposed to gnome shell. If this is true ...