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.

learn more… | top users | synonyms

5
votes
3answers
3k views

Why did my lock screen change?

My lock screen changed one day from the default: to this different one: I am running Ubuntu 14.10. The install was originally a 14.04 that I upgraded to 14.10. The lock screen did not change at ...
0
votes
1answer
263 views

Is it possible to put the computer into sleep mode while logged out in 14.04?

I found this question, but that's tagged 12.04, and is unanswered, so i'm asking a new, more general, question. If the computer is either locked or logged out, is it possible to put it to sleep? The ...
0
votes
1answer
2k views

How to enable onboard (on screen keyboard) on the lock-screen?

I have a laptop-tablet device and I'm trying to enable onboard on the lock-screen. Enabling onboard on the login screen is no problem but enabling the option Show when unlocking the screen is not ...
0
votes
1answer
261 views

ubuntu 14.04 + gnome-session-fallback : how do I lock the screen?

I'm running my new ubuntu 14.04 + gnome-session-fallback. Where can I find my good-old "lock-screen" button ? I can only see logout/shutdown in the top-right menu.
0
votes
1answer
798 views

Cannot disable lock-screen

I'm trying to disable the lock-screen feature that requires me to enter a password when waking up the screen after being idle. I've turned off every setting I can find related to password reqiurement ...
4
votes
4answers
14k views

How do I disable automatic screen locking in Xubuntu?

After about 10 minutes, Xubuntu 14.04 goes to sleep all by itself. I've set up the shuffle on the music player and it only gets through 3 songs before I have to sign in again. There is no screensaver ...
1
vote
0answers
138 views

Unable to lock screen Ubuntu 14.04 fresh installation

How I can enable screen lock feature. The screen in system setting is disabled. So I am not able to enable it.
2
votes
1answer
353 views

Detect screen-lock in shell/c++

I have a cross-platform application that runs on Ubuntu 14.04 (GNOME). There I need to determine if the screensaver is active or not and if the screen is locked or not. I found out that I can get the ...
6
votes
1answer
548 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?
2
votes
0answers
235 views

Lubuntu 14.04 desktop lockscreen resolution

Lubuntu 14.04 desktop - my lockscreen defaults away from my set resolution on main screen to the default of 1920x1080 - how can I mend this to match main screen 1280x960? thanks
1
vote
0answers
170 views

Lubuntu 14.04 Session loss upon screen locking and power management issues

When I screen lock (ctrl + alt + del) on my Lubuntu 14.04 LTS system, my session is restarted when I log back in. This causes me to lose any programs I had running prior to the lock. Power management ...
0
votes
1answer
72 views

Suspend desktop from the lock screen

I often leave my desktop PC running to serve some media via Plex. When I'm done watching, all I want to do is suspend the PC. By then, it has automatically locked, and annoyingly won't respond to me ...
3
votes
1answer
630 views

How to enable autologin but still require password

I am running Ubuntu GNOME 14.04, using gdm display manager and gnome-shell environment and I need to achieve the following behaviour: after boot, a selected user is automatically logged in, but a ...
2
votes
0answers
127 views

Pattern Lock Screens

I've installed Ubuntu 14.04 on a Lenovo Yoga 2 and after getting some things tweaked so it's usable converted (i.e. tablet-mode). I have one remaining issue - I need the keyboard to unlock. I'm ...
1
vote
2answers
194 views

lock screen has turned to an old design

It's been two weeks since I installed Ubuntu 14.04 and today I found out my lock screen has turned to a very old design. like this image: I am new to Linux and I tried to fix the problem but I got ...
2
votes
1answer
637 views

How to disable power off/restart option on lock screen?

When I'm lock the screen it's possible to turn off computer or restart it. How to disable this possibility? This possibility on lock screen makes all lock screen idea no sense.
3
votes
1answer
1k views

How do I disable “Lock screen” keyboard shortcut under Unity?

I don't want Super + L (that is the windows key pressed with the L key) to lock my screen. I have disabled this in settings, but it still happens. How do I make this not happen?
0
votes
1answer
420 views

How to enable the pc power button at the lock screen?

I would like my Ubuntu 14.04 to shut down (shutdown -h now) when I press the physical power button on the pc, regardless if it is locked or not. Works great on every windows machine, why doesn't this ...
2
votes
2answers
429 views

Fingerprint GUI breaks lock screen after suspend

ASUS M50Vc with AuthenTec AES1600 fingerprint reader, Ubuntu 14.04. Everything works normally EXCEPT when I need to unlock the screen after suspend. There is no prompt to swipe the finger, swiping ...
3
votes
1answer
1k views

Password dialog doesn't work on lock screen 14.04

I have a two-monitors configuration. Sometimes after a long period the passord dialog on lock screen doesn't work. Input control doesn't appear. Is may happen in one or both monitor dialogs. What ...
1
vote
0answers
44 views

System is locked for inactivity even though that setting is turned off

I have my Brightness & Lock settings like this: And this used to work like I wanted to - screens turned off after ten minutes, no password was required to start again. However, since about a ...
1
vote
2answers
356 views

How to lock without turning the screen (monitor) off?

Due to a recent bug, each time my screen turns off, I cannot get it back on. Currently, the screen starts turning off after the computer is locked - which effectively means that I cannot lock my ...
1
vote
1answer
486 views

How to stop having to enter password twice to unlock the screen?

Recently when I lock my Ubuntu 14.04 account I have to write my password twice in two different places before getting in. This happened recently. I think I might have installed some stuff that I saw ...
-1
votes
2answers
34 views

Why do I have this start session?

Hi everyone, I have this problem. I install Ubuntu mate in my Ubuntu 14.04 LTS, but don't like it, so i remove it from Ubuntu. The problem is that I have this start up panel and I want the default ...
2
votes
3answers
2k 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. ...
1
vote
0answers
178 views

Change current song from lock screen

We have a Sonos box in our office which is connected to my laptop. Music source is Spotify for Ubuntu. Usually I try to skip songs which aren't "office compatible" (like when it's too edgy or so). ...
3
votes
2answers
310 views

How to lock screen when mouse is moved to right-bottom corner?

I'd like to lock the screen when I move my mouse to the bottom-right corner. Is there a compiz-configuration for that task? I could not find anything in the compizconfig-settings-manager and system ...
2
votes
2answers
9k views

Lubuntu 14.04: how to avoid lock screen on closing laptop lid?

I upgraded my OS from Lubuntu 13.10 to Lubuntu 14.04 a few days ago, and now my screen locks when the lid is closed, while I want nothing to happen when lid is closed. I have already set the right ...
1
vote
0answers
135 views

Gnome 3.12 logout button gone from menu

Logout entry from gnome menu has disappeared all of a sudden. How can I get it back? I'm using Ubuntu 14.04 64Bit wit Gnome 3.12
3
votes
0answers
503 views

How can i prevent the wifi to auto disconnects when idle

After few minutes when my laptop is idle it's automatically locks the screen and disconnects from the wireless network and then reconnects when I unlock the screen. Is it possible to change this ...
2
votes
1answer
293 views

How can I get the new 14.04 lock screen back?

For some reason my lock screen changed a while ago from the new one introduced in 14.04 to the one used in older versions. I'm not sure what I may have done to have caused this. How can I get the new ...
0
votes
3answers
5k views

How to get Pantheon Greeter on Ubuntu 14.04 instead of Unity Greeter

I'm running Ubuntu 14.04, how can I replace the lockscreen with the one on Elementary Luna (Pantheon-Greeter). Thank You!! Edit: Can anyone do it and confirm it works completely?
0
votes
1answer
322 views

Ubuntu login history?

Multiple users have logged into my 14.04 desktop system. When I want to logout or lock my screen, the drop down menu shows a long list of many of the users who have logged in. I would really like to ...
2
votes
5answers
5k views

Lock screen does not unlock with correct password Gnome and Ubuntu 14.04

I had to reinstall recently. I installed normal Ubuntu 14.04. I then installed gnome/gnome shell/gdm. I then logged in my user to gnome. Since then I have been configuring my system. Yesterday, ...
3
votes
0answers
1k views

How can I set a different screen timeout time when on battery than if I am plugged in?

Currently, Ubuntu 14.04 only provides a single option: "Turn screen off when inactive for: x minutes" that applies regardless of whether my laptop is plugged in or not. I want to change this setting ...
2
votes
0answers
416 views

How do I get the old lock screen in 14.04?

Is it possible to revert to the old (12.04-13.xx) lock screen from the current Unity lock screen in Ubuntu? If so, how can I do it from the terminal? I have to script this change across 200+ ...
2
votes
2answers
1k views

unity - how to detect if the screen is locked?

both of these only work after the screen that was locked gets blanked; but they sometimes fail also, when for any reason the screen doesnt blanks... gnome-screensaver-command --query ...
3
votes
2answers
2k views

unlock screen from command line

I was using virtualbox on a laptop and closed the lid which locked the screen and sleep the computer. Now it came back from sleep, the screen is locked, but I can not type my password. The mouse work, ...
0
votes
1answer
624 views

Xubuntu 14.04 - Closing lid doesn't immediately trigger xscreensaver

When I close the lid of my laptop, it suspends. When I open the lid and push a key, it wakes as expected. If it has been five minutes (the timer for xscreensaver), the screen will be locked. If it has ...
2
votes
1answer
367 views

Can I add widgets to the new Unity lock screen in Ubuntu 14.04?

When I lock my screen using Linux Mint 17, there is a giant clock on the lock screen. I got used to this, and now I'm wondering if I can also add a giant clock (or any widget, for that matter) to my ...
7
votes
6answers
21k views

Lubuntu enforces screen lock

I can't disable screen lock in Lubuntu. In Power management I have it unchecked. There is another option "Enable light locker" in the "Light locker settings". I also have this unchecked but I still ...
2
votes
0answers
49 views

Screen locks after a few seconds

Ubuntu 14.04 locks my screen after a few second. I don't always have to log in after this happens. Most of the time I do. It's about every 20-30 seconds that I have to do this. I have tried to change ...
2
votes
0answers
243 views

lock/unlock events for in C++ app which should not depend on screen savers

We have a product, which was developed for Windows. Because of customer request we are developing it for Linux also. So being a beginner to Linux, have migrated most of it (which I loved it). Now got ...
4
votes
1answer
2k views

How do I stop the screen from fading out and powering off, on lock-screen?

In the office, when I leave my computer, ie. to fetch some coffee, I press Super+L and activate the lock-screen. This results in the screens fading to black, and subsequently turning off. While this ...
0
votes
1answer
1k views

Kde. Set plasma 5.0 lockscreen

I want to set plasma 5.0 lockscreen. http://www.kde.org/announcements/plasma5.0/screenshots/lockscreen.png When I execute $ sudo dpkg-reconfigure kdm I see list with gdm, kdm, lightdm. There is ...
0
votes
1answer
284 views

Lock screen automatically in Cinnamon

How can I set computer to turn off my monitor and lock my screen after a minute in Cinnamon. In Unity I can just go to brightness and lock and set it but in Cinnamon I can't see that setting. If I go ...
1
vote
0answers
48 views

How to prevent accidental unlocking?

I have a machine at work running tmux and xmonad that I lock with slock. I frequently need to ssh into it from a remote location, and, based on testing this in person, accidentally killing the slock ...
2
votes
1answer
4k views

How do I configure xscreensaver to use the GNOME lockscreen on Ubuntu 14.04?

I'd like xscreensaver to lock my session using the standard GNOME lockscreen, instead of using the horrible 1990's xscreensaver lockscreen prompt (sorry guys but it needs a facelift). I know this is ...
1
vote
1answer
40 views

14.04lts installed on USB stick goes into screen dim

Installed 14.04LTS on a USB stick and system will randomly dim the screen and freeze up for several seconds like it's going into powersave mode. I have tried all of the screen settings including the ...
1
vote
1answer
1k views

Suspend from the command line and show Unity's lock screen in 14.04?

How can I suspend my computer from the command line and, once it wakes up, display Unity's lock screen? I want to replicate exactly what happens when I click on the system cog icon at the top right of ...