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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2
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5answers
6k 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
2k 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
421 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+ computers,...
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 gnome-...
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
674 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
384 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
22k 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
51 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
270 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
296 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
5k 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 ...
2
votes
1answer
436 views

Lock screen password misses first character in 14.04

I am running Ubuntu 14.04 (64 bit). In my previous Ubuntu, which was 12.04, when the screen was locked and the monitor went blank, I just typed the password and hit enter. Even though everything ...
5
votes
2answers
10k views

Gnome Shell Lock Screen problem in Ubuntu 14.04

There is no option for lock Screen. Whenever I switch on from suspend mode, It doesn't show any lock screen.
0
votes
1answer
204 views

How do I prevent Xubuntu 14.04 from turning off when listening to music?

i don't want settings turned to never. I also tried the Caffeine app but couldn't even get it to start, and so here I am. Thanks in advance!
6
votes
5answers
3k 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 ...
0
votes
2answers
10k views

Where do I set the lockscreen image path in Trusty?

I don't want my desktop session wallpaper to be used as lockscreen background. Thank you
2
votes
1answer
220 views

Increase height of onboard in lock screen

On my tablet I use a fresh install of trusty with gnome flashback compiz session. At login screen gnome provides an own on-screen keyboard which is kind of ok. Within the session I use onboard in ...
0
votes
1answer
248 views

Trouble Adding Basic Lock Screen in Lubuntu 14

Alright, I'm running the latest version of Lubuntu on my system, Lubuntu 14, and some strange things have been happening when trying to set up a lock screen. Since I use a laptop, all I want to do is ...
5
votes
0answers
227 views

Prevent light-locker from setting volume to 100%

I'm on 14.04 with XFCE. When I lock the screen it appears to mute the system volume (or perhaps just mute anything from the locked session?). When I log back in the volume is reset to 100%. This ...
0
votes
1answer
284 views

swich from ubuntu (unity) lockscreen/login to gnome

I have Ubuntu GNOME installed on my pc and I also installed the unity shell, the problem is I seem to have lost the GNOME login screen and lock screen, is it possible to switch back from the new unity ...
1
vote
0answers
37 views

Lock-screen to take a picture after incorrect password [duplicate]

Is there a way to modify the lock screen to show a custom message and/or take a picture (/w the webcam) when incorrect password was typed in? (Like it was shown in the movie Goodbye World) (And does ...
3
votes
2answers
2k views

Computer not asking for password after waking from sleep

I have recently installed Ubuntu 14.04 and set up an account with a password. I configured the computer to ask for a password after waking up from a sleep however, I am still brought back to desktop ...
1
vote
0answers
289 views

Can't lock screen through unity

I can't lock my screen through keyboard shortcut or dropdown menu. Here's the twist - I CAN lock it by running gnome-screensaver-command -l in a terminal. How do I diagnose this?
1
vote
0answers
56 views

How to make the screen stay off until a “real” input

When I lock my session with Super + L or with Ctrl + Alt + L, the computer locks itself and after about 5 seconds the screen begins to fade to black, and then turns off (no signal). Sometimes it ...
0
votes
1answer
458 views

Ubuntu 14.04 Go to Switch Account without goint through Lock Account

Okay. So the new Ubuntu 14.04 decided that user needs to lock their account first then, switch account. So my question is How can I go straight to Switch Account screen without going through the Lock ...
6
votes
0answers
675 views

Ubuntu 14.04 Lock Screen Keyboard Error [closed]

After locking Ubuntu 14.04 x64 Desktop edition, the usb and built-in keyboards do not work on the login screen. When clicking on password area nothing happens. But if I hit Ctrl + Alt + F1 and goes ...
1
vote
0answers
370 views

synergy and ubuntu lock screen problem on ubuntu 12.04

I have a setup on work with a Ubuntu 12.04 and a Windows 7 PC which share same keyboard and same mouse via synergy. On Ubuntu the synergy server is running, on the Windows 7 the synergy client is ...
2
votes
0answers
1k views

Change back to old Lock-Screen Ubuntu 14.04 [closed]

The new Unity lock-screen now crashed thrice at my system - completely locking me out as a result. Also unlocking the new lockscreen in terminal was not working, when it had already crashed. Being ...
15
votes
3answers
23k views

How to disable screen lock in Ubuntu 14.04 / Unity?

I disabled the lock in the "Brightness & Lock" but I still get the lock screen when is resumes/wake from suspend. Although the option "Require my password when waking from suspend" is unchecked
1
vote
1answer
10k views

Xubuntu 14.04, Power Manager, Screensaver

When my computer is inactive, I keep getting a black screen and the screen goes into locked mode asking for a password, even though in Power Manager I have "Never" set for actions and monitor and ...
4
votes
1answer
812 views

Double lock screen Ubuntu 14.04

So I've got a brandynew System 76 laptop running Ubuntu 14.04, and if I close the lid, putting it to sleep, and reopen it, I am presented with the very nice new Unity lock screen. However, when I ...
13
votes
1answer
50k 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 ...
1
vote
0answers
199 views

Force lock screen password input to NOT use Japanese iBus IME

Since I upgraded my 2 laptops from 13.10 to 14.04, I sometimes have a problem entering password to exit lock screen: When typing in the password field of the lock screen, I see that the usual dark ...
0
votes
1answer
206 views

Unity lock screen issue

I upgraded from Ubuntu 13.10 to 14.04 and I still have the old lock screen. How do I change to the new one? There was a compiz option to change between the two of them but it was removed in the last ...
2
votes
3answers
464 views

lock screen asks for root password which I never set

I recently installed Ubuntu server on my server and I found out it had no GUI by default. So I installed it with the help of this page Everything seemed to be fine so I started copying some files to ...
17
votes
4answers
29k 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 ...
1
vote
1answer
869 views

ubuntu 14.04 not coming out of lock, sometimes

I have a clean 14.04 Ubuntu installation on a dell precision T5400 with a NVIDIA card. The system is updated and upgraded. When the system locks after 5 minutes, the system does not show the login ...
1
vote
1answer
1k views

Screen tuns off during skype video conversation

Fresh install of Ubuntu 14.04 in EFI mode. During skype video conversation screen turns off when, it reaches it value set in "Brightness and Lock" -> "Turn off screen when inactive for" . Is there any ...
5
votes
2answers
1k 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 ...
16
votes
4answers
9k 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), ...
8
votes
4answers
7k 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 gnome-...
4
votes
1answer
1k views

Is there a way to switch users from the new lock screen?

I upgraded to 14.04 from 13.10 and I'm having a couple issues with the lock behavior (ctrl+alt+l). In 13.10 the monitor would go into power save and then when the screen turned back on I was able to ...
3
votes
1answer
7k views

Ubuntu 14.04 lockscreen turns of music + does play 'lock-sound'

My computer automatically locks its screen (as its supposed to do) after the 30 seconds that i've asked for in the lock screen settings menu. Since upgrading from the 13.10 to the 14.04 system, the ...
6
votes
3answers
9k views

How do I remove the dots from the lockscreen in Ubuntu 14.04?

You can remove the dots from the login screen in 12.04-13.10 using this method. How do you remove the dots from the new lock screen in Ubuntu 14.04?