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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26
votes
5answers
11k views

How to make the lock screen look like the login screen?

Is there any way to make the login screen from a locked session (either by using Ctrl+Alt+L or from a screen timeout) look like the login screen when you're starting a new session? I hate that ...
9
votes
0answers
9k views

How do I stop the screensaver from turning on when watching videos online? [duplicate]

My screenlock is set to five minutes. So while playing YouTube videos after five minutes the screen locks even though the video is playing. Any solutions?
53
votes
3answers
20k views

How do I disable the on-screen keyboard in the unlock screen?

Somehow, I activated the on-screen keyboard (Onboard) in the unlock screen and I can't deactivate it now. I've restarted the computer, but it's still there in the unlock screen. How can I deactivate ...
13
votes
8answers
8k views

How do I stop the screen from being locked on suspend?

On GNOME the screen locks when I suspend, and I find that a bit annoying (no one else in the house uses ubuntu anyway haha). What can I do to stop this?
3
votes
0answers
960 views

Screensaver suppression on video playback [duplicate]

Possible Duplicate: How do I stop the screensaver from turning on when I watching online videos? I migrated from Ubuntu 10.10 to Xubuntu 11.10 (clean install). Previously when I played ...
4
votes
1answer
5k views

Lock screen when XScreenSaver is installed [duplicate]

I'm another user who dislikes the default screen-saver of Oneric. I installed XScreenSaver, but when I want to lock the screen, it doesn't work using CTRL+ALT+L , or using the option on the user ...
7
votes
1answer
1k views

How to move the lock window on the lock-screen?

Is it possible to move the window where you input your password on the lock screen away from the center, e.g. at the lower edge?
38
votes
7answers
18k views

How do I lock the screen from a terminal?

I am using Ubuntu 12.04. Is there any way to lock the screen or session from a terminal command or script? are there any changes happen in 13.04 ?
11
votes
3answers
1k views

How to allow key functions while desktop locked

Is it possible to allow a keyboard's volume keys to continue working when your desktop is locked? Currently, the default behavior disables all special-function keys until the desktop's unlocked. I ...
18
votes
3answers
5k views

How do I configure the screen to lock when I close the lid?

I've configured Ubuntu to put the screen in black when I close the lid of the laptop, but I want that, when I open it again, it demand the password like blocking the screen with Ctrl+Alt+L, but I ...
5
votes
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
votes
4answers
446 views

Screen turns black but doesn't lock when I press Ctrl+Alt+L

I am unable to lock my desktop in Ubuntu 11.10 with Ctrl + Alt + L If I press the above key sequence the screen turns black and the little lock icon appears at the top right of my screen. However, ...
45
votes
3answers
30k views

How do I lock the desktop screen via command line?

How can I lock my desktop screen from the command line?
6
votes
3answers
2k views

How to run script after resume and after unlocking screen

In Ubuntu 12.04 LTS, I would like to run scripts after resuming from suspend, and after unlocking my desktop. These need to run as my user, and with access to my $DISPLAY. In particular, I would like ...
16
votes
2answers
40k views

Keyboard shortcut for Lockscreen not working

I tried the combination CTRL+ALT+L or L but it is not working. But if I select the menu item LockScreen from setting drop down it works. Any thoughts on how to fix keyboard shortcut? Thanks.
8
votes
1answer
990 views

How can I put the display to sleep on screen lock?

When I invoke the "Lock Screen" action, is there a way to have the monitor go to sleep instantly? I'm aware of the power management setting to turn off the display after a set amount of time, but I ...
5
votes
3answers
13k views

Stop Xscreensaver from locking screen once screensaver starts

I have installed Lubuntu 12.04 and was wondering if there was a way to keep it from locking the screen when the screensaver starts? The "lock screen after X minutes" box is unchecked, so that is not ...
3
votes
1answer
2k views

GNOME lock screen (screensaver) is missing music controls

I have a custom Ubuntu 12.10 configuration (started out as a minimal installation of Ubuntu 12.04 with a number of other packages such as Gnome Shell selectively installed via apt-get and then ...
3
votes
2answers
3k views

How to lock xscreensaver on suspend

Hy! I replaced gnome-screensaver with xscreensaver, it works great so far, but I can't get it to lock my session when I suspend my laptop. Any ideas how to do that? Ubuntu 10.10 Dell Vostro 1310 ...
18
votes
0answers
6k views

How do I turn off the onscreen keyboard on the lock screen? [duplicate]

The lock screen has an on screen keyboard that I am unable to disable. I don't remember exactly but I believe I turned it on using the "Screen Keyboard" setting in the Universal Access settings. I've ...
6
votes
1answer
424 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 ...
3
votes
2answers
1k views

Will there be a new lock screen for 12.04?

I have read in many blogs that old lock screen is replaced by new lock screen in Ubuntu 12.04 But when I installed 12.04 Beta 2 (and updated my system) , its still showing old lock screen. Any idea ...
3
votes
0answers
476 views

Switch off laptop backlight when locking screen [duplicate]

Possible Duplicate: How can I disable backlight when I lock the screen? I'm using an IBM Thinkpad t61 and wish to have the backlight switched off when locking the screen.I've been told to ...
2
votes
2answers
6k views

How to make Ubuntu not to lock the screen while running VMware in fullscreen?

I am running Windows XP inside VMware Player. I have two monitors and I keep VMware in fullscreen on the second monitor. The problem is that if I work long enough in inside Windows XP, Ubuntu locks ...
11
votes
2answers
3k views

Key short cut `Super+L` (i.e. `Win+L`) not working for `LockScreen` in 12.04 LTS

I want to change Key short cut to Super+L for LockScreen but it is not working. If I try any other combination like CTRL+ALT+L or CTRL+ALT+G , it works. Win+L combination used to work in 11.10.
9
votes
5answers
14k views

Ubuntu 12.04 LTS often get a black screen with mouse cursor when trying to resume from lock screen. [closed]

Updated from 11.10 to 12.04 after fresh install, often the lock screen will give me a black screen with a mouse cursor instead of the usual. This occurs most often while the Ubuntu software center is ...
8
votes
6answers
8k 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 ...
2
votes
2answers
3k 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 ...
4
votes
2answers
5k 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 ...
8
votes
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), ...
5
votes
3answers
1k views

After locking the screen in Ubuntu 14.04, password is not accepted, How can it be fixed?

I'm running Ubuntu 14.04 fully updated on my laptop. Since the last update every time I lock the screen (when leaving my room for example) - when I get back and input my password, it is not accepted ...
3
votes
1answer
12k 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 ...
3
votes
1answer
4k views

How to enable new lock screen on gnome 3.6?

I'm using Gnome 3.6 (PPA) on Ubuntu 12.10 But I don't get the "new" lock screen. Users reported new lock screen are available now. GNOME lock screen (screensaver) is missing music controls How to ...
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 ...
7
votes
3answers
5k views

How to turn off screen (DPMS) together with locking session in KDE?

First of all, I'm aware a similar question for GNOME is asked here: "Switch off laptop backlight when locking screen". Objective I would like to turn off my screen on locking the session for power ...
7
votes
4answers
6k views

Where can I change the automatic lock screen preference? [closed]

I'm using ubuntu in a VM, so, I leave it idle from time to time. When I go back obviously the screen is locked, but I would like to configure the idle time for something around 10 minutes. Where can I ...
6
votes
2answers
2k views

Lock Screen Blank

I have recently upgraded to ubuntu 12.04. I have been having some trouble with lock screen lately. While the system is locked, I sometimes get blank screen without the lock screen. So I am unable to ...
6
votes
1answer
2k views

Visual keyboard on lockscreen [duplicate]

Possible Duplicate: How do I disable the on-screen keyboard in the unlock screen? Recently, every time I'm on the lockscreen, the visual keayboard appears at the bottom of the screen. How ...
5
votes
1answer
129 views

How to get conky work even in lock screen?

As the question goes, is there a way to get conky work even when is the system is locked?
5
votes
2answers
5k views

How to suspend from command line such that screen is locked?

I'm using Xubuntu 12.04. In the Power Manager, I have checked Extended -> Lock screen when going for suspend/hibernate. If I choose to suspend from the main menu / Panel 1, the screen is locked. ...
4
votes
1answer
601 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 ...
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 ...
2
votes
2answers
1k views

disable password prompt on user switch?

I've got 11.10 on a desktop machine with two users. Both users have "Password" set to "Not asked on login" in Users Settings. At startup, either user can log in without a password. But once both users ...
0
votes
3answers
423 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 ...
6
votes
3answers
30k views

How do I change the length of time the lock screen appears for?

When my screen is locked and I then reawaken it, by moving the mouse or pressing the keyboard, the password entry screen appears. How can I change the amount of time that is taken before the password ...
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? ...
3
votes
1answer
477 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 ...
3
votes
1answer
282 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. ...
3
votes
3answers
3k views

Lock screen - password incorrect

I have upgraded ubuntu to 12.04 and now there is a problem in logging in after lock screen: it says the password is incorrect even though I provide the valid password. I found a temporary solution by ...
1
vote
2answers
496 views

Immediately lock screen when I close laptop lid under Gnome 3 (14.04)

How can I configure my Ubuntu 14.04, logging in using Gnome 3, to lock the screen when I close my laptop lid? All Settings ► Power only offers Do nothing or Suspend as options when I close the lid. ...