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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3
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213 views

ubuntu 12.10 lock-screen unlockable with old ldap password

I have an ldap server that serves Ubuntu clients and there is a problem when unlocking the screen after a user has changed their password. Initial login works as expected: the user can log in with ...
2
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0answers
33 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 ...
2
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0answers
125 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
0answers
153 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
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0answers
168 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
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0answers
35 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
102 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 ...
2
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0answers
73 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 ...
2
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0answers
88 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 ...
2
votes
0answers
125 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 that with the help of this page Everything seemed to be fine so I started copying some files ...
2
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0answers
56 views

Black screen after screen off on 13.10

I swtiched "Turn screen off when inactive for" to 3 minutes and Lock screen after screen goes off to on. The problem is that after the screen is off, when I try to come back I can`t do anything, the ...
2
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0answers
1k views

How to disable xscreensaver lock on suspend?

I have recently installed Ubuntu 12.04 LTS and have installed xscreensaver. As I am the only user on this computer and I am only using the computer for music, movies, and some web browsing I have no ...
2
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0answers
366 views

Display date/time in Ubuntu lock screen (cinnamon-like)

I was using Ubuntu 13.04 till a few days ago. I had installed Nemo and I guess cinnamon got installed too (I was still using Unity nonetheless). One of the good things about that was the lock screen ...
2
votes
0answers
100 views

Forcing screensaver lockout time for all users in Unity

I am using Ubuntu 12.04 and Unity. Is there a way to force the screensaver lockout time using an admin account? By default each user can change their lockout time. I need to be able to prevent ...
2
votes
0answers
512 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
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0answers
244 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?
1
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0answers
24 views

How to disable caps lock on boot

Is there a way to disable the Caps Lock at boot, so it won't bother me when logging in? Laptop: old Multicom Xishan W530E bought at http://multicom.no. OS: Ubuntu 14.04. My latop has a problem with ...
1
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0answers
27 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 ...
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0answers
65 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 ...
1
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0answers
32 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
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0answers
83 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
1
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0answers
35 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 ...
1
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0answers
151 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?
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0answers
38 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 ...
1
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0answers
175 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 ...
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0answers
92 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 ...
1
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0answers
705 views

Disable lock screensaver

The latest update for 14.04 changed the lock screen behaviour. For a while during development of 14.04, the lock screen would not run the screensaver - just lock the screen. The following links to ...
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0answers
94 views

Xubuntu doesn't allow music to play when I lock screen

If I'm locking my screen with xflock4 while playing some music, the music pauses. However, it resumes as soon as I login again. How do I play my music while my screen is locked?
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0answers
200 views

LightDM will not start & xserver problems Ubuntu 12.04

I've been having an issue with resume after suspend for the past week and a half or so. After waking up the lock screen would be displayed, but I would not be able to type in my password. My ...
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0answers
412 views

Cannot enter password in lock screen dialog after long suspend

I am currently using Ubuntu 13.10 and recently I've noticed that after my ASUS K56CB laptop goes into suspend mode, and is left like that for a long time (about an hour or more), the password input ...
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0answers
20 views

Having computer switch to guest account after a certain amount of time

Instead of having the screensaver lock my computer is it possible to have it switch to the guest account instead. I'm using ubuntu 13.10 64bit Thanks
1
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0answers
109 views

Turn off monitor only after locking screen

I see there is no setting to turn the monitor off after the screen is locked unlike the one for screen locking which can be set to act after the monitor has been turned off. I do not want the system ...
1
vote
0answers
172 views

Desktop Enviroments: Lock screen widgets availability

I use two awesome de for me (MATE and Cinnamon). Also I like KDE but not too much. But this question about not desktops but lock screens. Can anybody answer, is it possible to add widgets (like ...
1
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0answers
40 views

Possible to use screen lock as timeout?

What I'd like to do is lock the screen and have it wait a set amount of time (eg 20 mins) before it lets me log back in - so I make myself to have a break from the computer. Is it possible to do ...
1
vote
0answers
51 views

Gnome: I cannot use the Screensaver key for a custom command

I wanted to reassign the FN + F2 (Screensaver) keyboard shortcut to use a custom shortcut with it. I got the warning that this will disable the default keyboard shortcut to lock the screen. However, ...
1
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0answers
47 views

Getting a blank screen with the mouse pointer when I re-login

I'm using an HP G62 laptop with Intel HD Graphics card and an Intel i3 Quad-core processor. When I first boot my laptop, I can login just fine and work with the system. The problem begins when I ...
1
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0answers
372 views

Ubuntu lock screen will not open

Many times when the screen has automatically locked and I type the password, the message just reappears. I can continue to enter the password, but the message just pops up again. In order to log in I ...
1
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0answers
151 views

New install and I can't get Ubuntu to work

First of all what happened > I made an Ubuntu live USB to install Ubuntu Raring Ringtail. After Ubuntu said that "it has installed successfully and you need to restart your computer" (Why it doesn't ...
1
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0answers
230 views

Desktop locked at resume (Kubuntu 13.04)

The system suspends correctly but when it resumes the desktop seems to be locked. No user/password dialog opens, the desktop displays the state of suspend time but it does not respond to mouse clicks ...
1
vote
0answers
235 views

How do I prevent Ubuntu 12.04 from locking, when using Win7 in VirtualBox?

I use Ubuntu 12.04 plus Windows 7 from VirtualBox. The thing is that, when I am in Windows "too long" (longer than the time after which Ubuntu normally locks), Ubuntu locks. It's not expected, because ...
1
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0answers
50 views

How to speedup the rendering of the onboard on screen keyboard in the unlock screen?

I have a panel-pc with a touch-screen and are using ubuntu 12.04 LTS. When the screen is locked and then touched the lock-screen is shown but the onboard osk is not rendered yet. This takes a second ...
1
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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?
0
votes
0answers
10 views

How to change screen locker in KDE?

Recently I start using lightdm in pair with google authenticator for two-step authentication. All works fine, but default screen locker in KDE doesn't configured to use 2-step auth. So, I want to ...
0
votes
0answers
24 views

All programs crash after locking computer

Whenever I lock up my computer (on Ubuntu 14.04), by the time I unlock it all the programs have been closed. There is no error message or anything, so I don't know how to identify the problem.
0
votes
0answers
46 views

How to change/remove lock screen background picture?

I am using Ubuntu 14.04 with xfce, and my lock screen background picture for some reason is one of my past wallpapers, but I want to change it, but can't find anywhere where can I do this. All I can ...
0
votes
0answers
81 views

how to make Lubuntu 14.04 screen to stay on

hello I just installed lubuntu 14.10 and I have changed all the setting in xfce power setting to never for all and the screen locker settings to off but the screen still turns off after a while of ...
0
votes
0answers
13 views

MBP 9.2 lock screen brightness buttons

Normally my screen brightness buttons F1 F2 work. If my computer goes to login screen/ lock screen while the screen brightness is turned to minimum ( screen off), when I wake the computer these ...
0
votes
0answers
58 views

Xubuntu 14.04 vnc not showing password lock screen

It's actually two problems which I think somehow connects to each other. I am using Xubuntu 14.04 LTS. After the screen is locked and gets to a black screen, the keyboard mouse is dead and I can't ...
0
votes
0answers
60 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
0answers
50 views

How can I disable the lock session (not just in a specific gnome-session but for anyone who uses a certain machine)

I have several machines running ubuntu 14.04 LTS and there are a lot of users that log in and out of them (not local users). I wish to prevent any possibility of a user locking the screen in a ...