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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21 views

Change lock screen background through command line

I'm interested in changing my lock screen background through the command line. I'm hoping to be able to do it such that, after I run a series of commands, the next time it locks that image comes up. ...
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8 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 ...
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57 views

Screen locking in Ubuntu 15.04 (Gnome Desktop) [on hold]

I had trouble because I could no longer lock my desktop with [Ctrl][Alt][l] after switching to Ubuntu 15.04 (I'm using the Gnome Desktop). One way that works to lock your screen is to run the below ...
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2answers
59 views

How to monitor the status of shutdown sequence

This is the script I made to lock and shutdown my system after 30 minutes. #!/bin/bash # Read Password read -s -p "Password: " password echo # shutdown and screensaver Command echo "$password" | sudo ...
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1answer
71 views

Blank screen after locking screen

I just updated my Xubuntu 14.10 desktop to 15.04 and I'm having the following issue: When I lock my computer (or when the inactivity timer locks it for me), the screen goes blank and I cannot get ...
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34 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 ...
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0answers
14 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 ...
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1answer
39 views

14.04: Unlocking the screen after sleep logs user off and back on

This happened to me just now. I opened my laptop, and got the unlock screen. I entered my password and then it asked me for the password again (it didn't say the password was incorrect, it just asked ...
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3answers
189 views

Computer logs out while I lock screen

Recently, my laptop is behaving strangely sometimes. It doesn't usually does this but lately it frequently does. The problem is that whenever I lock the screen, the computer logs out and closes all ...
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0answers
24 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 ...
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0answers
107 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 ...
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1answer
141 views

Xubuntu 15.04 goes to sleep when the screen is locked

Since I did the upgrade to 15.04 there is a very strange behaviour whenever I lock the screen. Right after the screen is locked and the monitor turns black the computer goes to sleep (or suspend ...
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1answer
98 views

The lock-screen of the Ubuntu BQ

What are colored circles stand for? The large dark one tells the date or rather the number of days that have passed in a month but I can't figure out the colored circles since they vary in size, color ...
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22 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 ...
1
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1answer
72 views

Setting a default input language for lightdm lock screen

My lock screen shows up after a few minutes in which I am not using the computer. This is a wanted behaviour. However, it often switches the input language to Hebrew, or perhaps just taking the last ...
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1answer
128 views

Change lockscreen in MATE?

I want the lightdm-webkit-greeter to be mine lockscreen, do you know how to change it? I found a way how to add Xscreensaver screensavers to mate-screensaver or even change background, but no word on ...
9
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1answer
238 views

How do I stop the screen from being locked on resume on Kubuntu/KDE?

Per How do I stop the screen from being locked on suspend? I want to be able to sleep and resume without the screen locking. All the previous answers seem to involve fairly Gnome-specific things that ...
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1answer
81 views

Xubuntu 14.04 Change Xfce Login and Lockscreen Button Color

I have Xubuntu 14.04, and I would like to change the login and lock screen button color from blue to green without changing the theme. However, I can't seem to find the proper configuration file to do ...
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1answer
65 views

CTRL + ALT + L and CTRL + ALT + DEL are not working in ubuntu 12.04?

I have re installed ubuntu-desktop. After that Ctrl+Alt+L and Ctrl+Alt+Del shortcuts are not working. If I click on the button on the top right side of the desktop (where things like logout, switch ...
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1answer
43 views

Xubuntu doesn't lock screen anymore

It was working and one day it decided not to work anymore. I can click on the lock screen button or use Ctrl+Alt+Del but no reaction. How to fix that? I am using Xubuntu 14.04
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2answers
38 views

Screen locks automatically after certain amount of time [duplicate]

The screen locks automatically after 5 minutes when I am watching YouTube on fullscreen. How can I fix this?
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0answers
56 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, ...
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1answer
43 views

Does locking affect running processes?

I would like to run the updates available to my Ubuntu device with the built-in Software Updater application, but I would like to lock my system for the time of the update for security reasons. ...
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2answers
50 views

How can i lock my screen and keep my youtube playlist going?

How can I lock my screen and keep my youtube playlist going?
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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. ...
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2answers
191 views

How do you configure the lock screen in Ubuntu Phone?

I just bought the bq Ubuntu Phone. I wondered if it is possible (and how) to configure the lock screen in the Ubuntu Phone, for example which kind of statistics to display or even better how to ...
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1answer
50 views

Change language layout in screen lock

I'm Xubuntu 14.04.2 user. I have two keyboard layouts: Russian and English. Sometimes I closing my laptop and when I'm back and trying continue to work Xubuntu wants me to enter my user password (my ...
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0answers
50 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.
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118 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 ...
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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 ...
2
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1answer
150 views

XScreenSaver Lock Screen

I got XScreenSaver and removed gnome-screensaver by following these instructions: http://askubuntu.com/a/293014/364819 And my settings are as follows: And it is all working fine and that, but I ...
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0answers
17 views

lockscreen background missing

I would like to know if it's me or somebody else has this problem: I put 2 different images for lock screen and background, but, when I get to my locksreen, the background is the same as the normal ...
7
votes
1answer
171 views

Entirely disable suspension (at kernel level? - has to be independent of used DE and login state!)

Once again I need a workaround to deal with my almost broken notebook graphics card: It does not wake up after suspending! The Ubuntu 14.10 system is waking up, but the display stays off, so I have ...
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0answers
88 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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32 views

How to install ubuntu touch lock screen on Ubuntu 14.04

I want to install Ubuntu touch rotating lock screen on my Ubuntu desktop but I can't find it anywhere. Is it possible to install it on a normal Ubuntu 14.04 desktop?
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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 ...
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3answers
65 views

Can I somehow pause all processes of an user logged in in background?

I have mainly two accounts on my 14.10 laptop: Mine (admin) and my brother's (restricted). Now when my brother is logged in and runs some applications like firefox with flash player, it consumes ...
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1answer
84 views

Unable to lock Ubuntu 14.04 desktop

I have been using Ubuntu 14.04 for nearly 8 months now and have been a long time Ubuntu user. Recently, I disabled the password for my user account and later re-enabled it. However, ever since doing ...
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0answers
45 views

Logging in to a locked account should automatically unlock it

On an Ubuntu 14.04 desktop with multiple (LDAP) users, we've observed the following behavior: If a user locks their account by selecting "Lock/Switch Account" from the upper-right menu and then ...
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0answers
89 views

Pamusb - Can lock on pulling drive; Does't unlock by reinserting

Ok I'm a student and I thought having a USB-Drive to unlock and lock the device would be useful. Including not having to re-enter your password every 5 minutes. So here is what I did. After adding ...
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0answers
37 views

Cannot log-in at locked screensaver, must log-in with “switch user..”

I have configured my screensavers to lock the page after some time; and I prefer to lock the sceen myself using the title bar "Lock/Switch account..." feature, e.g. when I leave my desk. While trying ...
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0answers
105 views

Randomly unable to unlock the desktop

I cannot find any pattern, and this drives me nuts. Sometimes, after locking my Ubuntu-unity Ctrl+Alt+L or using the menu), if fail to log in again. What happens in case of failure is (normally): ...
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1answer
102 views

Showing Onboard Keyboard On Lock Screen

I have been playing around with the Onboard settings and even though I select the option "Show when unlocking the screen" from the settings the keyboard still doesn't appear when on screen lock. This ...
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0answers
118 views

How can I disable all locking in 14.10?

I don't want the machine to prompt for password on resume from suspend, I don't want the machine to lock after a certain period of inactivity. At the moment, I only want it to lock a) when it boots ...
2
votes
1answer
152 views

Screen turns off without reason

The precise problem The screen turns off the display suddenly, and does not respond to the mouse or keyboard. What actually happens?? When I am working on my PC (OS - Ubuntu 14.10) suddenly without ...
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0answers
61 views

Gnome locked screen changes my keyboard layout

My keyboard layout is set to german (QWERTZ) but whenever I return to the desktop from the lockscreen my keyboard changes to QUERTY. How can I fix this problem. I tried going to settings but the only ...
0
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0answers
57 views

Pattern lock for Ubuntu 14.10

I have a touch screen and I want to install a lock screen that used patterns like the smart phones, anyone know a way to do it or integrate it with the default one?? Thanks in advance..
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0answers
37 views

Is there any way to make the system not to suspend while a download in progress?

Is there any way to set the system not to suspend while a download in progress but only turn screen off?
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1answer
53 views

USB Power Saving Settings

I have a USB weather station. If the screensaver kicks on (blank screen and lock), data from the weather station stalls out. I can lock the screen manually and I have no issues at all with the ...
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1answer
128 views

Lubuntu hangs after locking

A friend asked me to take care of his Lubuntu 14.04 LTS. He is not a computer expert at all so his bug report might not be accurate. Unfortunately I could not reproduce the error while I am at his ...