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
30 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
1answer
67 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
1answer
182 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
276 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 ...
0
votes
2answers
1k 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
186 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, ...
2
votes
0answers
416 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 ...
2
votes
1answer
951 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
votes
2answers
238 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 ...
1
vote
2answers
266 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
533 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
vote
0answers
41 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
271 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
votes
1answer
378 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
votes
1answer
323 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
votes
6answers
10k 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
619 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
338 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
930 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
vote
0answers
52 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, ...
1
vote
1answer
585 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 ...
1
vote
1answer
200 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
votes
2answers
7k 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 ...
3
votes
2answers
584 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
772 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
vote
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
vote
2answers
223 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
388 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 ...
4
votes
2answers
865 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 ...
3
votes
1answer
478 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
votes
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
106 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
vote
0answers
156 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 ...
0
votes
1answer
187 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
82 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
664 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
334 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
vote
0answers
261 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
887 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 ...
2
votes
1answer
315 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 ...
1
vote
2answers
373 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
489 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 ...
3
votes
1answer
3k 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
325 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
127 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
437 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
234 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 ...