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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5 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 ...
1
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2answers
25 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 ...
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3answers
2k 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 ...
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0answers
26 views

Hibernate just locks the screen in Ubuntu 14.04

I tried to enable hibernate in Ubuntu 14.04 by following this tutorial http://ubuntuhandbook.org/index.php/2014/04/enable-hibernate-ubuntu-14-04/ But, clicking on hibernate simply locks the screen ...
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3answers
135 views

Why do desktop / monitor screens fail after staying logged in overnight?

I am currently running Ubuntu 13.10. I experienced this same issue with Ubuntu 12.04, so I dont believe the following issue is tied to a specific release. I am using Ubuntu for work, by choice. Id ...
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0answers
22 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 ...
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0answers
22 views

Lock Screen Issue: Password field vanishes

Occasionally, when I lock my screen I have the following issue: when I attempt to unlock, the password field has simply vanished. Because of this the Lock becomes active even though I know the ...
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2answers
107 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 ...
2
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1answer
53 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.
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0answers
16 views

Facebook cover photo as Gnome lockscreen, profile picture as user account photo?

Is there any way (app/setting) that will allow me to synchronize my Ubuntu Gnome lockscreen & user photo to that of a Facebook cover photo & profile picture, respectively? Windows 8 and ...
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0answers
23 views

Time shown in lock screen not correct [duplicate]

Today I noticed that the time shown in the lock screen page of my ubuntu-gnome 14.04.1 is not aligned with the current time. The gnome version I have is: gnome-session 3.9.90 The strange thing is that ...
0
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1answer
47 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
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1answer
39 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?
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0answers
31 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
2answers
777 views

How do I set up USB security key based authentication?

Is it possible to get Ubuntu to lock and unlock itself, if a particular USB stick is attached? For example; I sit down at my laptop; I plug the USB stick in and the system unlocks and presents ...
0
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2answers
125 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 ...
0
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1answer
74 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 ...
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0answers
17 views

Why Light locker unmounts encfs mount points when screen is unlocked

... and how to prevent this behaviour or work around that? I have the following mount point: encfs on /home/me/Private type fuse.encfs (rw,nosuid,nodev,default_permissions,user=me) I lock the screen ...
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0answers
30 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 ...
2
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0answers
59 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 ...
1
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3answers
2k 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 ...
4
votes
3answers
12k 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 ...
0
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0answers
80 views

14.04 screensaver problem

After upgrading from 12.04 to 14.04, like many others, I had a problem with the lock screen not showing the password field, so I wasn't able to login. The only apparent solution was to reboot the PC. ...
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1answer
130 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 ...
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0answers
64 views

Lock screen flickering Acer Aspire E5-511

I got my new Acer Aspire E5-511-P2AV and installed Ubuntu 14.04. When I lock the screen the screen begins to flicker. Every 2-3 seconds the brightness goes up very shortly and then it's black again. ...
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3answers
737 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 ...
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2answers
31 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
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1answer
133 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 ...
1
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2answers
162 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. ...
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0answers
79 views

Citrix receiver freeze when is screen is locked

Whenever the screen is locked by the remote session (here Windows) within the citrix receiver (full screen) the local keyboard freezes. The mouse is still working properly, but the keyboard don't ...
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2answers
346 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 ...
0
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0answers
29 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
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2answers
126 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 ...
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1answer
3k 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 ...
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0answers
123 views

Ubuntu 14.04 no password box after waking up

Opening the lid after suspension - the lock screen shows as normal except the lack of password box. When on dock, the user/password container & unity symbol swap between screens as mouse jumps ...
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 ...
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0answers
62 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
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1answer
168 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
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0answers
59 views

Ubuntu lock screen login box not showing

Having a little bit of an issue over here. So I'm running Ubuntu 12.04 LTS and up until yesterday I haven't had any real issues. However, when I lock the account I am unable to log back in because the ...
2
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0answers
54 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 ...
8
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5answers
7k 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 ...
0
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0answers
105 views

Lock screen does not display all users (ubuntu 14.04)

When I lock my screen using Ctrl+Alt+L, I am not able to see other users listed within the lock screen so I can switch instead. The lock screen shows only my name as an option for login, however I ...
0
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0answers
88 views

How to turn off/lock screen when using Vino VNC?

I have a laptop(Acer Aspire v3-472g) with a working Vino VNC server on Ubuntu 14.04 LTS 64 bit. My problem is that when I connect with a VNC client, people near my laptop can see what I am doing. I ...
0
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1answer
593 views

How to get Pantheon Greeter on Ubuntu 14.04 instead of Lightdm

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?
5
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2answers
7k 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 ...
0
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2answers
286 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, ...
0
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1answer
97 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
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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
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2answers
213 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 ...
0
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0answers
30 views

Lock screen on login

I've some software I connect to remotely and occasionally the computer reboots because of power outage, etc so I have set in my BIOS that after power failure that the computer should reboot. I can ...