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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100 views

Lock screen asks for password on no-password account

The Ubuntu lock screen always asks for a password even when the account does not have password. In my opinion, it should be exactly like the login screen: a button "connect >" for accounts that don't ...
3
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0answers
625 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 ...
3
votes
0answers
129 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 ...
3
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0answers
234 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
22 views

System Logs out when unused for some time instead of going into lock screen

I have switched to XFCE4 some days back from Unity, but now i again switched to Unity. From that time onwards I am facing following problem. My system logs out automatically when unused for some ...
2
votes
0answers
149 views

Ubuntu 14.04 Dual monitor lock screen not blanking both screens properly

I recently upgraded from 12.04LTS 64-bit to 14.04LTS 64-bit. My system is a desktop using the NVIDIA GeForce 210 card connected to two identical Samsung SMS23A350H monitors via HDMI cables. I'm ...
2
votes
0answers
71 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 ...
2
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0answers
67 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
233 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
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0answers
326 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
41 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
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0answers
132 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
108 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
votes
0answers
59 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
votes
0answers
416 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
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0answers
106 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
521 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
291 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
31 views

Set a different password for unlock to my sudo password

I am running a single-user Ubuntu install. When I enter the password to unlock my screen after suspend/timeout, it is the same password I use for sudo - my user password. Is there any way for me to ...
1
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0answers
53 views

X session lost after some idle time with screen locked

When taking a break from working in my laptop (Xubuntu 14.10), I always lock the screen on my pc, keeping many applications running. Usually all is normal, regardless of the idle time I take. However, ...
1
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0answers
13 views

pause process during lockscreen

I used WhatPulse back on windows and got it installed on Ubuntu, too, but now sometimes, when waking up from standby, it expects an internet connection immediately and builds up a lot of ram and ...
1
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0answers
87 views

lightdm: lock session after (only) auto-login

I'd like to be able to have my KDE session started with lightdm auto login but lock immediately. But if I logout and then back in, I don't want the lock. I found this bug: ...
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0answers
55 views

Ubuntu 14.04 screen lock policy

We have a security policy that the Ubuntu desktops have to lock the screen after 10 minutes.I use to use xscreensaver on Ubuntu 12.04 for this by removing gnome-screensaver and overwriting the config ...
1
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0answers
53 views

lock screen takes time to show

When I leave my desktop I lock it by pressing Ctrl+Alt+L. When I Use Windows or Gnome-shell the lockscreen shows instantaneously and I can leave my desk. When I use Unity it takes a few seconds until ...
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0answers
68 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.
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0answers
102 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 ...
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0answers
36 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
100 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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0answers
44 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 ...
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0answers
182 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
42 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
220 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
122 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 ...
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0answers
749 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
117 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?
1
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0answers
224 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 ...
1
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0answers
458 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
24 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
41 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
52 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, ...
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0answers
388 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 ...
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0answers
156 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
261 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 ...
0
votes
0answers
7 views

Warning messages that flash quickly when locking screen. Where is the log?

Trying to diagnose a problem I'm having with lock screen/suspend dropping all open windows/programs in my session. I noticed that some warning messages flash up when I lock/suspend, but they go by too ...
0
votes
0answers
13 views

Can xdotool work after my screen becomes locked?

On Ubuntu 14.04, I want to use xdotools to simulate mouses and keys on a firefox window. I want to do that when I am away, so I also like to lock my window. Is it possible for xdotool still to work ...
0
votes
0answers
103 views

Double lock screen when resuming after upgrade to 15.04

After the upgrade to 15.04 I now get a double lock screen when I wake up from resume. First there will be a centered GTK grey panel which looks a bit like the old switch user login, after I enter that ...
0
votes
0answers
21 views

System does not ask for Authenticated password

I've recently installed Noobslab themes to customize Ubuntu to Macbuntu. I remember trying to change the password by going to User Accounts. And I remember switching Automatic Login to "ON" and then ...
0
votes
0answers
13 views

How can I remove this discoloration from the lightdm-kde-greeter?

I am using Kubuntu 14.04.2 LTS. Recently (not sure since when but it certainly wasn't there at my earliest 14.04 install last year) my locker has started to display some discoloration in some parts. ...
0
votes
0answers
48 views

Lock screen hangs unable to log-in and return to desktop (Xubuntu 14.10)

One out of four attempts at locking my screen will end up freezing on a black screen leaving me not being able to view the log-in screen or returning to my desktop and forcing me to reboot.
0
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0answers
117 views

Ubuntu 14.04 freezes upon re-activating after lock screen

Since today my systems seems to freeze whenever I lock it by pressing Ctrl+ALT+L and then try to unlock it. I am using a dual monitor setup I have read AskUbuntu Post to get it working, and upon ...