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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0
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10 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
2
votes
1answer
129 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
22 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 ...
0
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0answers
15 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 ...
7
votes
5answers
6k 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
56 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
37 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
votes
1answer
98 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?
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votes
2answers
3k 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
votes
2answers
86 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, ...
2
votes
2answers
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 ...
0
votes
1answer
52 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 ...
1
vote
2answers
2k 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
votes
2answers
187 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
votes
2answers
108 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 ...
0
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0answers
19 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 ...
2
votes
0answers
45 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 ...
1
vote
2answers
336 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 ...
1
vote
0answers
60 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+ ...
0
votes
1answer
51 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 ...
6
votes
0answers
363 views

Ubuntu 14.04 Lock Screen Keyboard Error [closed]

After locking Ubuntu 14.04 x64 Desktop edition, the usb and built-in keyboards do not work on the login screen. When clicking on password area nothing happens. But if I hit Ctrl + Alt + F1 and goes ...
1
vote
2answers
99 views

unlock screen from command line

I was using virtualbox on a laptop and closed the lid which locked the screen and sleep the computer. Now it came back from sleep, the screen is locked, but I can not type my password. The mouse work, ...
0
votes
1answer
41 views

Lock screen automatically in Cinnamon

How can I set computer to turn off my monitor and lock my screen after a minute in Cinnamon. In Unity I can just go to brightness and lock and set it but in Cinnamon I can't see that setting. If I go ...
2
votes
1answer
59 views

Can I add widgets to the new Unity lock screen in Ubuntu 14.04?

When I lock my screen using Linux Mint 17, there is a giant clock on the lock screen. I got used to this, and now I'm wondering if I can also add a giant clock (or any widget, for that matter) to my ...
0
votes
0answers
70 views

Xubuntu 14.04 - Closing lid doesn't immediately trigger xscreensaver

When I close the lid of my laptop, it suspends. When I open the lid and push a key, it wakes as expected. If it has been five minutes (the timer for xscreensaver), the screen will be locked. If it has ...
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0answers
77 views

Disabling the left-aligned lock screen in Ubuntu 14.04

In 14.04, there appear two be two types of lock screens. The left-aligned one, which you also get when you first boot the machine. The centre-aligned one, which you get when you press Ctrl+Alt+L ...
2
votes
0answers
27 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 ...
0
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0answers
12 views

Pressing 'l' key locks the screen in ubuntu while rdp from windows

This annoying issue is only happening when I'm taking remote view of ubuntu12.04 from windows using rdp. Pressing the 'l' key while typing always locks the screen. Also the big 'Enter' key is not ...
0
votes
1answer
135 views

Kde. Set plasma 5.0 lockscreen

I want to set plasma 5.0 lockscreen. http://www.kde.org/announcements/plasma5.0/screenshots/lockscreen.png When I execute $ sudo dpkg-reconfigure kdm I see list with gdm, kdm, lightdm. There is ...
2
votes
0answers
59 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 ...
1
vote
0answers
31 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
vote
1answer
111 views

How do I stop the screen from fading out and powering off, on lock-screen?

In the office, when I leave my computer, ie. to fetch some coffee, I press Super+L and activate the lock-screen. This results in the screens fading to black, and subsequently turning off. While this ...
2
votes
0answers
3k 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
1answer
137 views

Suspend from the command line and show Unity's lock screen in 14.04?

How can I suspend my computer from the command line and, once it wakes up, display Unity's lock screen? I want to replicate exactly what happens when I click on the system cog icon at the top right of ...
1
vote
1answer
80 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 ...
3
votes
2answers
674 views

Ubuntu-GNOME 13.04 - Lock screen takes lot of time to unlock [closed]

I have gnome-screensaver package installed for using Ctrl+Alt+L to lock the screen. Though locking the screen works fine, it takes a whole lot of time to unlock after entering my password at the ...
3
votes
3answers
367 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 ...
5
votes
2answers
1k 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 ...
37
votes
7answers
14k 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
166 views

How do I configure xscreensaver to use the GNOME lockscreen on Ubuntu 14.04?

I'd like xscreensaver to lock my session using the standard GNOME lockscreen, instead of using the horrible 1990's xscreensaver lockscreen prompt (sorry guys but it needs a facelift). I know this is ...
7
votes
2answers
706 views

How can I lock the screen using the new lockscreen from the command line?

Ubuntu 14.04 introduces a new lockscreen that looks similar to the login screen. I am still able to lock the screen using the command gnome-screensaver-command --lock (as I always did before), ...
0
votes
1answer
26 views

14.04lts installed on USB stick goes into screen dim

Installed 14.04LTS on a USB stick and system will randomly dim the screen and freeze up for several seconds like it's going into powersave mode. I have tried all of the screen settings including the ...
1
vote
6answers
594 views

Unable to unlock after locking when VirtualBox is in full screen mode

I'm running 13.10 as host, with a VirtualBox 4.2.16_Ubuntu running Windows 8.1 as guest. I had the virtual machine in full screen mode when Ubuntu locked due to inactivity. I tried to wake the ...
0
votes
1answer
154 views

Double lock screen Ubuntu 14.04

So I've got a brandynew System 76 laptop running Ubuntu 14.04, and if I close the lid, putting it to sleep, and reopen it, I am presented with the very nice new Unity lock screen. However, when I ...
2
votes
1answer
259 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.
2
votes
1answer
404 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 ...
0
votes
3answers
341 views

How to make a simple fast and lightweight custom screen locker?

Day to day I'm seeing many questions which say: Screensaver/lock doesn't work. Screensaver doesn't require password after waking or doesn't lock the screen. Can not exit screensaver / nothing works ...
0
votes
1answer
84 views

How do I prevent Xubuntu 14.04 from turning off when listening to music?

i don't want settings turned to never. I also tried the Caffeine app but couldn't even get it to start, and so here I am. Thanks in advance!
4
votes
3answers
23k 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 ...
0
votes
1answer
2k 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 ...