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
0answers
222 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 ...
4
votes
0answers
355 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
votes
0answers
162 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 ...
3
votes
0answers
515 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 ...
3
votes
0answers
2k 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
255 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
votes
0answers
41 views

Locked computer gets very hot despite no CPU-intensive tasks running

I'm using Ubuntu 15.10 on my HP ProBook 6470b laptop. When I lock it and walk away from my desk it often gets very hot, very quickly. Here's a screenshot of Psensor graph which shows the problem, the ...
2
votes
0answers
22 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 ?
2
votes
0answers
555 views

Xubuntu 15.04 black screen after screen lock

I am using Xubuntu 15.04 with Xfce 4.12 in a Dell Inspiron 14 laptop, model 3442. Whenever I lock my screen, then put my password and unlock it, the screen brightness gets very low, it's almost as if ...
2
votes
0answers
50 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
295 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 ...
2
votes
0answers
329 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: ...
2
votes
0answers
121 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 ...
2
votes
0answers
211 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
votes
0answers
242 views

Lubuntu 14.04 desktop lockscreen resolution

Lubuntu 14.04 desktop - my lockscreen defaults away from my set resolution on main screen to the default of 1920x1080 - how can I mend this to match main screen 1280x960? thanks
2
votes
0answers
130 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
votes
0answers
418 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
votes
0answers
50 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
votes
0answers
255 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
votes
0answers
203 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?
2
votes
0answers
67 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
543 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
votes
0answers
118 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
527 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
votes
0answers
395 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
vote
0answers
114 views

Ubuntu 16.04 Brightness & Lock - Screen does not turn off

I have 16.04 LTS on a Dell XPS13 (L321X) and an external LG display connected. I set it up to: -dim the screen -turn screen off when inactive for 10 minutes -lock ON -lock screen as soon as screen ...
1
vote
0answers
23 views

stop using internet when screen blanks

Related: When my screen is locked, will running processes/internet connection be halted? This is related, but exactly the opposite is desired. I recently installed the (really terrific) Radio Tray, ...
1
vote
0answers
14 views

Only screen lock when on untrusted networks?

I want to pull off something similar to: http://www.xda-developers.com/smart-unlock-trusted-wifi/ Basically when I'm at home connected to my wifi/wired network, I don't want screen lock. When I'm ...
1
vote
0answers
42 views

Screen does not turn off after lock screen

Like How to fix: screen saver greys out but does not turn off the screen after update?, but that question contains no valuable information. I am using Ubuntu 15.10, amd64, on an NVIDIA card using ...
1
vote
0answers
125 views

Why does my thinkpad log in automatically if I lock my screen, shut my lid and then reopen it?

I've noticed some strange behaviour while working today. If I lock my screen with ctrl+alt+l it takes me to the login screen. If I then decide to shut my laptop it suspends correctly. But when I ...
1
vote
0answers
81 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 ...
1
vote
0answers
38 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 ...
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
0answers
51 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 ...
1
vote
0answers
53 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
55 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 ...
1
vote
0answers
135 views

Is it possible to get notifications on lock screen on ubuntu unity?

As we already know on Gnome lock screen we get notifications such as pidgin chat notifications etc. Same like Gnome, is there any command, configuration or software we need to change to get ...
1
vote
0answers
118 views

Unity7 and Gnome 3: How to disable “lock was blocked by an application”, so that Gnome3 always locks the screen?

When I have virtualbox in full screen, on Unity it always locks after 5 minutes, but in Gnome3 (and even Unity7) it shows a popup message: lock was blocked by an application. Can I force Unity or ...
1
vote
0answers
202 views

How do I disable the automatic fade to black on lock? (15.04)

I have an issue where I lock my desktop, and it will fade to black almost immediately. It does not always resume correctly when "waking up", so I'd like to disable the fading entirely. I have tried ...
1
vote
0answers
172 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
vote
0answers
27 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
vote
0answers
80 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
vote
0answers
187 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 ...
1
vote
0answers
219 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 ...
1
vote
0answers
148 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.
1
vote
0answers
173 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 ...
1
vote
0answers
45 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
vote
0answers
185 views

Change current song from lock screen

We have a Sonos box in our office which is connected to my laptop. Music source is Spotify for Ubuntu. Usually I try to skip songs which aren't "office compatible" (like when it's too edgy or so). ...
1
vote
0answers
141 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
1
vote
0answers
48 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 ...