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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5
votes
1answer
69 views

Desktop entry, or other convinent but safe way to exec multiple statements,

I'm running Gnome on Ubuntu 15.4. I want to execute two or more actions at once, but let's try with two: sudo pm-suspend gnome-screensaver-command -l pm-suspend has been added and allowed to be ...
1
vote
0answers
94 views

Lock screen automatically in lightdm

I have a custom install of Ubuntu with lightdm and openbox. I want to automatically lock my screen when it is inactive for a set period of time. I can lock my screen with dm-tool lock But I don't ...
0
votes
1answer
47 views

Password problems without setting one up

This might be a duplicate, but I didn't find any answer that fixes the problem. I have recently installed ubuntu 14.04 LTS and did not create a password for logging in. Now, if I try to use "sudo" ...
0
votes
0answers
37 views

Customizing Unity lockscreen with modals

Is it possible to add modals to current unity lockscreen? An example of modals in lockscreen can be seen in GNOME's lockscreen * - image taken from OMGUbuntu.co.uk article If not, is there somekind ...
0
votes
1answer
85 views

How do I remove all traces that Ubuntu Tweak was ever there? - revised

I have an image hovering in my lock-screen that I can't remove. I think I put it there with Ubuntu-tweak but I have already uninstalled it. Any ideas on how to remove it? I really hope this is the ...
0
votes
1answer
35 views

Catching intruder

I work in a company where is better to not forget locking your pc before leaving it, because the first person who finds it's unlocked will use all his strength to embarrass me on social networks and ...
0
votes
1answer
114 views

Xubuntu lock screen appearing twice

When I leave my machine for an extended period of time, I return to find the screen locked (by light-locker). I can then enter my password, and it is accepted, but then the lock screen is displayed a ...
0
votes
0answers
25 views

Lubuntu 14.04 screen lock

I have a issue that I researched and still could not not find a solution running Lubuntu 14.04 on laptop. I have automatic login enabled and when I do suspend for the first time, I do not need to log ...
2
votes
1answer
78 views

small font and icons in lockscreen

I've had issues like this since I installed ubuntu on my ASUS ux303LB with Nvidia graphics and 3200x1800 resolution, but after messing around with the scaling in display properties and the font in ...
1
vote
1answer
30 views

Stop display from fading & consequently shutting monitors off when screen is locked on 14.04

So far I've tried what's shown in the image below, and I also restarted my system afterwards to see if that helped, but still, when I hit WIN-L my screen will lock and slowly start to fade to black, ...
4
votes
1answer
74 views

Nexus 4 with Ubuntu touch locked for 24140377 minutes!

My phone has locked itself, the lock screen says: Device Locked You have been locked out due to too many failed passcode attempts. Please wait 24140376 minutes and then try again... I believe ...
2
votes
1answer
69 views

Ubuntu writes the number 5 without beeing pressed

I was looking at the bitcoin charts and when selecting 3 Years firefox stopped working for a short time and when it continued to work it wrote many 5 in the top bar like when you hold the key. Ubuntu ...
7
votes
3answers
241 views

How to lock screen 30 minutes after unlock [duplicate]

I would like my children to only use the computer for 30 minutes, at which time I would like the screen to be locked. At that point, if I choose to unlock the screen again, I would like the screen to ...
0
votes
0answers
172 views

Replace Xscreensaver with i3lock

I was wondering if it is possible to replace Xscreensaver with i3lock. Today I am using i3lock which bluring my screen when it's locked but I want to use it as Xscreensaver, is this possible? Here is ...
0
votes
0answers
34 views

Why does Xubuntu asks for my password twice when it wakes up from the blank screen?

Every time Xubuntu wakes up from the blank screen it asks for my password and then, after I enter it, it asks for it again. This doesn't happen if I lock the screen manually. How can this be fixed?
1
vote
3answers
2k views

Where do I set-up a screen saver in Xubuntu 15.10?

That's strange but I can't find where can I choose a screen saver and configure when will it start. There is no button named anything like "screen saver" in the Settings Manager.
0
votes
0answers
49 views

PC won't come back when lid is closed and monitor attached

I am using Xubuntu and regulary lock my screen at work. It is attached to a external monitor (primary display) and the lid is closed. After locking it only comes back when I open the lid and press ...
0
votes
1answer
29 views

Ubuntu Lockscren Xubuntu 14.04

I installed the ubuntu-desktop, but I still get the Xfce lockscreen. Is there anyway to get the Ubuntu lockscreen instead?
0
votes
0answers
94 views

How do I disable GDM's automatic screen locking *after a virtual terminal (VT) change*? It's too buggy and never works correctly

Every so often either my touchpad stops behaving or some program (Firefox or QEMU) freezes my system and I have to switch to a virtual terminal to fix it (merely switching to a VT and back fixes the ...
0
votes
1answer
192 views

Lock screen with gnome-screensaver-command as root (from /etc/pm/sleep.d script)

My system (Ubuntu 15.10) has a bug: I have enabled "Require my password when waking from suspend" on the "Brightness & Lock" settings panel, but it does NOT ask for my password, which is ...
0
votes
1answer
111 views

Which program am I using to lock screen?

On Ubuntu 14.04 with XFCE desktop environment, how can I know which program or daemon is locking my screen automatically after a few minutes of inactivity, and when I click "lock screen"? Different ...
2
votes
1answer
110 views

Set message from command line for the Cinnamon Lock screen

I am trying to create a little script to set random message when i lock the screen of my computer. So i need to be able to define a message from command line and call it when i will execute the lock ...
0
votes
0answers
86 views

Gnome Lock screen graphics animation (Arrow)

The arrow on the gnome lock screen is not displaying correctly. Graphics drivers are installed from the additional drivers program. This normally happens after I wake the machine from sleep. It ...
0
votes
0answers
64 views

How to disable non-english keyboard layouts on the log-in and unlock screens?

Although I use 3 different languages and have 3 keyboard layouts installed my password does not include characters that are not present on a standard English keyboard (actually I have never seen a ...
3
votes
1answer
733 views

Keyboard backlight turns on after lock screen/display on

I've just upgraded Ubuntu (15.04 to 15.10) and now I'm running into a weird behavior: whenever I lock the screen (using any of Ctrl+Alt+L, Win+L or just clicking on "Lock" in the taskbar menu), the ...
4
votes
1answer
176 views

How to add shutdown option to the Ubuntu lock screen?

Some times I want to just shut the computer down rather than to enter the password and continue. Even if that would be someone else willing to shut my computer down while I'm away he should better be ...
2
votes
0answers
23 views

How to stop certain programs form suspending when the screen locks?

Is it possible to prevent some programs and scripts form suspending when the screen locks ?
1
vote
0answers
39 views

Unable to change brightness on lock sccreen

When at the lock screen, I am unable to adjust the brightness. This is particularly annoying if the screen is completely off (to save battery) and then locks automatically. You then have a black ...
2
votes
1answer
323 views

Prevent monitor from losing signal after screen saver / lock activates

After the screen saver activates, or after I manually lock the screen via Ctrl+Alt+L, I see a blank black screen with just the date / time in the upper right corner. A few seconds after that, my HP ...
53
votes
5answers
3k views

A timer that automatically locks the screen to take a break away from the computer?

I'm looking for a graphical or command line program that provides me with the following workflow: Start a 25min session After 25min screen is automatically locked for 5min (or maybe just turned ...
0
votes
0answers
62 views

Screen lock on fullscreen [duplicate]

I'm using Ubuntu 14.04 with firefox and google chrome. Whenever I watch any video in fullscreen mode, the screen gets locked after sometime. I can change the time interval for screen lock, but I want ...
3
votes
0answers
163 views

Ubuntu Gnome 15.10 - last screen flashes when waking up

I recently upgraded 15.04 to 15.10, and then I started to see my last desktop screen flashes before the lockscreen shows up when I open my laptop. Might not be a big trouble, but I'm little bit ...
0
votes
0answers
34 views

lock screem ins't activating

my sceen saver activates, and the lock screen doesn't lock the screen or something. here are the settings: I am using Ubuntu 15.10 Mate, and I want the screen to lock after some time idling, as in I'...
0
votes
0answers
85 views

Ubuntu 14.04 use xscreensaver on lockscreen command

Most people probably no longer worry about screensavers, let alone xscreensaver, however I am still very much a fan of the package. I've installed xscreensaver and have it starting up with -nosplash ...
1
vote
1answer
248 views

Set animated (video or gif) background for Lock Screen in Ubuntu 14.04 LTS

Is it possible to set animated background for the lock screen of Ubuntu 14.04 (or higher)? Wasn't able to find any significant information about setting of video or gif animation for Lock Screen only. ...
0
votes
0answers
35 views

Change the Sleep Button to Lock Screen

I've tried changing the behavior of the sleep button on my keyboard to lock my screen. I've done this through the Keyboard option in Settings and while I can change the accelerate, and 'Sleep' shows ...
0
votes
1answer
121 views

How to switch user from i3lock?

On most lock screens, there's a "Switch User" button. However, i3lock doesn't seem to have any buttons. Is there a keyboard shortcut to switch user or an option to add a button?
0
votes
0answers
61 views

pam_mount, pam_ldap and screen unlocking

I am having trouble getting these three components to work in an ldap environment: authenticate the ldap user mount a folder (type cifs) on login using pam_mount be able to unlock the screen once it ...
1
vote
0answers
39 views

14.04 - screen not locking?

running 14.04.3 with unity. Since some days, occasionally my screen will not blank and lock; although "brightness and lock" is configured to exactly do that after 3 minutes. I checked for answers ...
1
vote
1answer
771 views

Ubuntu 14.04 Mate - disable automatic screen lock and “Screen Lock” button over terminal

How can I disable that Ubuntu locks the screen after 5 minutes and how can I remove the "Screen Lock" button from the menu? I have to do it over a Terminal.
0
votes
0answers
83 views

Lock screen very slow on 15.04 classic

After upgrade to 15.04, the screen lock password box comes up very slowly. When resuming from suspend, the system comes up pretty fast (approx 10 sec), but after that the password box comes up very ...
0
votes
1answer
56 views

make the top bar look like the one on lockscreen

I like the way top bar looks in the lock screen (Ubuntu 15.04), it's dark and translucent. How can I make it look like that when logged in?
0
votes
1answer
69 views

14.04 Lockscreen show all users

In 14.04, When I have an active session and lock screen via shortcut super-l, or Gear->"lock/switch account", the lock screen only shows my user with password. To login as someone else, (my 5 year ...
4
votes
2answers
291 views

Unlock gnome-screensaver instead of deactivating

So, I've been trying to create a USB key for my machine. I've used PAM-Usb as described in many places over the internet (for example this one, which is basically copypasted everywhere). I ...
0
votes
2answers
779 views

Can't disable lock-screen in Ubuntu Gnome 15.04 [duplicate]

I've read through many of the questions on AskUbuntu about disabling the lock-screen. Everything I've tried, from setting the lock-screen to "Off" in the Privacy window, to setting the dconf flag: ...
3
votes
2answers
465 views

Gnome 3.14: Is possible to disable the lock screen?

I want to disable the lock screen on Gnome 3.14 after the computer is woken up from suspension. I've tried different proposed solutions, like this one, but they does now work.
1
vote
0answers
54 views

Extending the lock screen time

When ever I lock the screen, immediately the screen goes blank without the lock screen being active for few seconds or minutes at least. Read some questions which arose regarding this, but couldn't ...
0
votes
1answer
36 views

Upon reboot, can GUI applications be started in an X session without ever having the screen unlocked?

I have a home server. Sometimes, I have to reboot it from a distance, or it reboots itself, say after a power failure. I would like that some GUI applications to be started under my user, ...
1
vote
0answers
56 views

Double unlock needed with kde

I installed kde plasma desktop on my Ubuntu 14.04. The problem is that whenever the screen is locked, i have to type my password twice to unlock the session: once in the unity ubuntu and once in the ...
1
vote
0answers
57 views

Lock user screen with custom full screen image and prevent unlock using ssh

I want to connect to a computer using ssh, lock the computer's screen by displaying a full screen custom text/image and prevent user from doing anything until I unlock the screen again using ssh. How ...