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
350 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 ...
1
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1answer
478 views

Why does the screen refuse to lock after I installed LXDE?

I have a computer, I think it's running GNOME (it's running whatever the default is; I have the Unity panel,) and I installed LXDE for use on another user, but after installing LXDE, it will no ...
1
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1answer
262 views

Mouse cursor lag after lock screen, 64 bit 12.04

Recently I have noticed that when I return to my computer after it has been "locked" for a while, the mouse pointer has significant lag. The cursor position appears to only update a few times a ...
2
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0answers
30 views

Personalized wallpaper picture should not show in lock screen [duplicate]

Possible Duplicate: How do I change the wallpaper in LightDM? I have been trying to find an answer to this, but it doesn't seem to be possible to find someone who has had a similar issue, ...
1
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1answer
204 views

Screen not locked after suspen (run from terminal)

I have just found a answer to my question "How can I hibernate/suspend from the command line and do so at a specific time and a relative time?". The thing though is that on many occasions the resume ...
6
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2answers
1k views

Replacing xscreensaver with gnome-screensaver, problems(Xubuntu)

I found this helpful question Replace xscreensaver With gnome-screensaver (Xubuntu) but the executable gnome-screensaver-preferences can't be found. So I'm not sure what to do, to get ...
2
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0answers
510 views

How to enable lightdm as lock-screen in ubuntu 12.10?

How to set lock-screen to lightdm logon? Now the lock screen is ugly. I googled and said it was carried into ubuntu 12.04 already. But I can't found this feature even in 12.10 now. Anyone can help or ...
2
votes
1answer
919 views

Gnome-classic lock screen no password prompt [closed]

I have ubuntu 12.04, on a Dell Inspiron 14r, Intel HD 3000. I set on the Power settings, "When the lid is closed: Do nothing." The password prompt worked just fine when i closed and opened the lid. ...
2
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0answers
725 views

Screen will not lock automatically 12.10 [closed]

Since upgrading to 12.10 I cannot get my screen to lock automatically. I am using GDM at home and LightDM at work and neither will lock automatically. However, when I issue CTRL + ALT + L on either ...
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0answers
70 views

How to run script when locking screen and end it when user type in password?

What I am trying to do is to run a script while screen is locked. Can somebody guide me through it?
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 ...
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2answers
237 views

Can I lock screen after move mouse in lock screen?

I lock my computer. Accidentally the mouse moved. Then the lock menu was shown by the computer. Can I lock it without input the password and lock again?
3
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1answer
382 views

“dm-tool lock” doesn't lock my session

When I use dm-tool to lock the screen for userA, I can log in as userB and then use dm-tool to switch back to userA's session without having to enter a password. Is that the expected behavior? If ...
2
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0answers
228 views

Can I make the lock screen image span two monitors?

I've got my desktop background spanning two displays, and I want the lock screen to show the same thing. Can I set the lock screen to span just like the desktop?
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 ...
6
votes
1answer
2k views

Making gnome-screensaver auto-lock in XFCE

gnome-screensaver has been vastly simplified for major version 3 and no longer supplies the preferences dialog. It is now only useful for locking the screen and providing an unlock dialog. I use ...
5
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 ...
0
votes
1answer
216 views

Wake up from screen off (like Windows and Mac)

Is there a way to configure Ubuntu such that it doesn't require 2 keystrokes to wake it up from the state where the screen is disabled after being absent, but a simple touch on the touchpad suffices ...
2
votes
1answer
200 views

How can I programmatically block user input for a given time?

As a person working in computer science working offline to avoid facebook and thelike is not always (meaning hardly ever) possible for me since I mostly have to be online to work. I have tried ...
2
votes
3answers
3k views

Locking with USB drive [duplicate]

Possible Duplicate: Lock and Unlock from USB disk (pendrive) When i use Windows, there is a program I use called Predator that locks my PC when I remove a certain USB flash drive. It then ...
1
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0answers
99 views

Computer responds slowly when screen is locked [closed]

When my computer is locked, regardless of it timing out after 10 minutes or by me pressing CTRL+L, it takes forever to activate it. It also appears as if the time it takes is linear to the time it as ...
6
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 ...
0
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2answers
116 views

Display wakes up unexpectedly without activity on Ubuntu 12.04

When I use lock screen with ubuntu 12.04, all applications are hidden and a simple window asks me to enter my password to unlock the screen. After a while of inactivity, the screen goes black. ...
6
votes
0answers
989 views

Set wallpaper in the Lock Screen [duplicate]

Is there an app or some way to set the desktop wallpaper as viewable when only logged in, and to set another when logged out or locked? I've tried Ubuntu Tweak, but it only does the login wallpaper, ...
1
vote
0answers
33 views

System locks up at login after latest update on 12.04 [duplicate]

Possible Duplicate: I can't boot into a usable system after updates. What should I do? For starters, I am a noob when it comes to Ubuntu and Linux but I am hopeful that I have the light ...
1
vote
2answers
817 views

Why is the gnome 3 lock screen not displaying?

I installed gnome 3 recently and was expecting the new lock screen, but when I lock the screen I'm displayed with the 'old' version: How do I get the lock screen to appear like the one displayed ...
37
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7answers
16k 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 ?
0
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0answers
35 views

12.04 lock screen wont change to my wallpaper [duplicate]

Possible Duplicate: Why does LightDM only show a custom wallpaper on the login screen if I have selected one of the default wallpapers? I did a fresh installation of Ubuntu 12.04.1, ...
1
vote
0answers
223 views

Only see wallpaper when resuming from lock and closed lid [closed]

Running Ubuntu 12.04 Unity with kernel 3.4.0-030400-generic on a laptop, when I lock with ctrl + alt + L and close the lid, then open the lid, I expect to see a prompt asking for password, but instead ...
0
votes
1answer
75 views

Computer will no longer load 12.04

My computer ASUS M5A99X Motherboard, 8GB RAM, Seagate hard drive, ASUS GeForce video card. I had 12.04 LTS 64bit loaded. Now when I boot, it will go to the Grub screen, and then reboot, return to ...
4
votes
5answers
6k views

How to get lock screen option in Lubuntu?

I am using Ubuntu 12.04 with many DE. Lubuntu is one of them. I don't have any option to lock screen in Lubuntu while I do in Unity and other DE. Is there any program / application that I can ...
0
votes
0answers
19 views

How to get rid of virtual keyboard when display is locked? [duplicate]

Possible Duplicate: How do I disable the on-screen keyboard in the unlock screen? When my screen gets locked after 10min and I sign in again, I have a virtual keyboard on my screen since a ...
4
votes
1answer
1k views

How can I lock the keyboard and mouse when playing video

I'd like to set up my Ubuntu 12.04 laptop so that I can play a video on loop while my computer is unattended, while not allowing anyone to take over without a password. I think this could go one of ...
3
votes
1answer
677 views

How to automatically lock my computer after logged in via auto login

i have setup my ubuntu 12.04 LTS (unity) to auto login after the computer is turned on after a power outage. so that the web server installed keeps running. but also i have to lock the computer right ...
2
votes
1answer
215 views

Audio and Lock-Screen Hotkeys broken

Some days ago (probably after some package updates) some of my hotkeys stopped working. It is no longer possible to change the volume via the Volume up / Volume down hotkeys on my keyboard and neither ...
4
votes
1answer
8k views

How to configure idle period for auto locking screen

I just installed a fresh Ubuntu 12.04 (Precise Pangolin). I noticed that, there is no screensaver settings, which is fine. I like to control the period of time after which the blank screen is ...
0
votes
0answers
42 views

How can I make lock screen be like the login screen? [duplicate]

Possible Duplicate: How to make the lock screen look like the login screen? Is it possible to have the login screen displayed when locked instead of that ugly and horrible current lock ...
4
votes
1answer
3k views

How can I change power options to make my system “always on”?

Power options in 12.04 system settings has only one option: "Suspend when inactive", while I can't see any obvious settings I can change so that the system is always on - without locking the screen ...
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?
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?
4
votes
3answers
26k 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 ...
1
vote
1answer
295 views

How to prevent radiotray from playing (from buffer) on lock screen after resuming

When I resume my laptop and had radiotray turned on it starts playing again (from buffer) while I'm on the lock screen. This gets really annoying when I'm somewhere it should be quiet (library, train ...
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. ...
0
votes
1answer
361 views

Why do some shortcuts no longer work when using an alternate keyboard layout?

I have recently switched to the Colemak keyboard layout and the Ctrl+Alt+L key combination no longer locks the screen. I have checked the keyboard shortcuts menu and it is still set correctly. I ...
2
votes
2answers
628 views

What is the package name of the lock screen?

After reading a review of the Ubuntu Developer Summit which said that one of the proposed changes in 12.10 would be to use LightDM as the lock screen: LightDM will be implemented as the ...
0
votes
2answers
760 views

Kubuntu won't lock

When I close the screen of my netbook in Kubuntu, it doesn't lock when I reopen, and when I press the lock button, nothing happens. I have KScreenSaver configured, and all the drivers work fine, so ...
0
votes
2answers
465 views

CPU working hard while sleeping after upgrading to 12.04

I just upgraded to 12.04. I noticed a new weird behavior that did not happen on 11.10. When I lock the screen, or when it sleeps automatically after the computer is idle, the CPU fan starts working ...
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 ...
1
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0answers
198 views

control usage for users [closed]

Can any one suggest means to control usage for users (maybe using crontab) to do the same in 12.04 unity? in 10.10 i was keeping control of usage for my children using timekeeper. thanks
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 ...