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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1
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0answers
34 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 ...
0
votes
0answers
9 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
votes
0answers
19 views

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

The OS is 14.10. Is there any way to enable the system to continue the ongoing download, while the system is suspended? Or while when a download in progress don't suspend but only turn screen off?
5
votes
3answers
3k 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 ...
0
votes
0answers
11 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..
4
votes
2answers
296 views

How to detect events like lock/unlock screen, enter/return suspend and monitor power off

I am wondering if there is any way to detect system wide events under linux such as: user un/locked session user logs in/out machine sent to suspend screensaver goes on and the monitor switches off ...
4
votes
2answers
647 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 ...
1
vote
2answers
347 views

How do I disable automatic screen locking in Xubuntu?

After about 10 minutes, Xubuntu 14.04 goes to sleep all by itself. I've set up the shuffle on the music player and it only gets through 3 songs before I have to sign in again. There is no screensaver ...
0
votes
0answers
95 views

Ubuntu 14.10 Lock Screen in Unity - won't let me type password

I have this annoying problem with Ubuntu 14.10 (Had the same problem with 14.04.) Perhaps once or twice a day when I wake my laptop from suspend it brings me to the login page. All seems okay apart ...
0
votes
1answer
21 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 ...
38
votes
7answers
19k views

How do I lock the screen from a terminal?

I am using Ubuntu 12.04. Is there any way to lock the screen or session from a terminal command or script? are there any changes happen in 13.04 ?
0
votes
1answer
51 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 ...
2
votes
2answers
43 views

Cannot unlock session if user has no password

I created an account with no password for my 3 years old child. After some time of inaction on that account, the session locks. Then I cannot unlock the session. Trying to unlock with an empty ...
6
votes
4answers
32k views

How do I change the length of time the lock screen appears for?

When my screen is locked and I then reawaken it, by moving the mouse or pressing the keyboard, the password entry screen appears. How can I change the amount of time that is taken before the password ...
2
votes
1answer
59 views

Unity CTRL + ALT + DEL set default value to 'Lock'

When I press CTRL + ALT + DEL I get a dialog with two buttons: Log-out and Lock. I spent a significant portion of my time working on Windows workstations, and the default there is Lock. It is a ...
2
votes
0answers
2k 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
votes
1answer
40 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 ...
0
votes
0answers
37 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 ...
-1
votes
0answers
44 views

Methods to detect screensaver and/or locked

My goal is to dwtect if screensaver is running. And also detect if it is locked. So i figured that when linux systems are locked its just their screensaver is running. So i figured out a way to find ...
2
votes
0answers
95 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 ...
3
votes
3answers
148 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 ...
1
vote
0answers
25 views

Lock screen asks for password on no-password account

The lock screen always asks for password even if the account does not have password. Why it's not like the login screen: a button "connect >" for non-password account ? To unlock screen, I have to ...
6
votes
4answers
794 views

Making touchpad and resume password changes permanent

in Ubuntu 10.10 I really don't want any password on resume on my EeePC, so I have to run gconftool-2 --set --type=bool /apps/gnome-power-manager/lock/suspend false and I want two finger middle ...
1
vote
1answer
307 views

How to prevent radiotray from playing (from buffer) on lock screen after resuming

When I resume my laptop and had radiotray turned on it starts playing again (from buffer) while I'm on the lock screen. This gets really annoying when I'm somewhere it should be quiet (library, train ...
7
votes
4answers
2k views

How do I lock the screen after resuming from hibernation?

I've been able to successfully hibernate and resume my Ubuntu 12.04 Desktop PC using procedure that I've documented in this answer. However, I now have a problem that whenever the PC resumes, it does ...
5
votes
1answer
155 views

password on resume

I would like to not have to enter my password on resume after closing the lid on my laptop. I used to be able to do this but can't find the option anywhere anymore. all the notes I have found say go ...
1
vote
0answers
206 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
vote
2answers
113 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
3answers
3k 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 ...
1
vote
2answers
2k 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?
0
votes
0answers
98 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 ...
3
votes
2answers
251 views

Why did my lock screen change?

My lock screen changed one day from the default: to this different one: I am running Ubuntu 14.10. The install was originally a 14.04 that I upgraded to 14.10. The lock screen did not change at ...
1
vote
0answers
49 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 ...
5
votes
1answer
97 views

Change lock screen style on gnome classic desktop

Is there a way to use Unity lock screen in Gnome classic desktop? I love the way unity fades the main screen to lock the session, while I'm not enthusiastic about the window showed by the classic ...
0
votes
0answers
27 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 ...
2
votes
0answers
41 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 ...
0
votes
1answer
65 views

Unbuntu unresponsive after login

After Login in from lock-screen, ubuntu remains unresponsive (or very slow) to mouse or keyboard input for about 15 seconds. The mouse is still moving but that is about it. After the delay, all ...
1
vote
1answer
164 views

Make gnome-desktop clock larger

I use Xfce with gnome-screensaver. Is it possible to change the font size of the date/time in the lock screen (on the top bar) without making any changes to font sizes elsewhere? Thank you
3
votes
2answers
3k 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
0answers
81 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
29 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
1answer
43 views

Is it possible to put the computer into sleep mode while logged out in 14.04?

I found this question, but that's tagged 12.04, and is unanswered, so i'm asking a new, more general, question. If the computer is either locked or logged out, is it possible to put it to sleep? The ...
0
votes
0answers
56 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 ...
2
votes
1answer
4k 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 ...
0
votes
0answers
150 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
105 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
15 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
87 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
1answer
104 views

ubuntu 14.04 + gnome-session-fallback : how do I lock the screen?

I'm running my new ubuntu 14.04 + gnome-session-fallback. Where can I find my good-old "lock-screen" button ? I can only see logout/shutdown in the top-right menu.
8
votes
6answers
8k 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 ...