Questions tagged [lock-screen]

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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How to get xscreensaver/gnome screensavers working on Ubuntu 23.10

I am getting this error when trying to use xscreensaver xscreensaver-systemd: 10:30:07: connection failed: "org.freedesktop.ScreenSaver" in use by pid 2462 (/usr/libexec/gsd-screensaver-...
0 votes
1 answer
4k views

How can I change the KDE Plasma lock screen theme?

I have customized nearly everything I wanted and I think it looks perfect except for the lock screen. I looked everywhere in the settings and there is no option to download a theme or make changes to ...
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0 answers
40 views

Blockscreen lost in Ubuntu 22.04

I'm having problems with the behaviour of ubuntu 22.04 desktop. I don't know why, the block button stoped working. I mean the "lock" icon key in the Logitech MX Keys. I think it stoped ...
5 votes
2 answers
10k views

Ubuntu 14.04 lockscreen turns off music + plays the '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 ...
1 vote
1 answer
2k views

Ubuntu 22.04 LTS screen blank does not respect settings

OS: Ubuntu 22.04.1 LTS Whatever settings I make to Screen blank (never or 15 minutes) the screen goes blank after 1 minute. It's very annoying, sometimes while reading an article if I don't move the ...
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Need further assistance with implementing autologin followed by an automatic lock screen function (Ubuntu 22.04.3)

I made this post previously, and I have provided a thorough description of what I want to achieve along with every step I've made towards trying to make it work. The post seems to have died, and I ...
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0 answers
125 views

Autologin and automatic screen lock methods not working (Ubuntu 22.04.3)

I can't seem to get what is described in this thread to work... I even tried entering the command into the terminal, but all I get is command not found. I have also tried the startup applications ...
1 vote
0 answers
29 views

Is it possible to make the lock screen's background a feed from the front-facing camera?

People tend to behave better when they know they're being watched, even by a machine. To deter people screwing with my desk, is it possible to have the lock screen background be a (blurred) camera ...
0 votes
2 answers
9k 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 ...
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0 answers
21 views

Ubuntu 23.10 Multiple user eror on lock screen

I have some users on my Ubuntu 23.10, after I choose the user on the lock screen to log in, the screen always returns, before I can insert my password.
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25 views

XFCE 22.0.4 won't wake up after hibernation

XFCE 22.0.4 won't wake up after hibernation, I did all the hardware stress tests and everything is fine with the hardware, but at the system level there is probably a problem, when I logout then and ...
1 vote
1 answer
83 views

PIN on Kubuntu lockscreen (KDE Plasma 5.27.8)

I am new to linux and have the newest Kubuntu 23.10. I'm loving the customization options but am having a problem right now with the lock screen. I followed this (https://fostips.com/log-into-linux-pc-...
4 votes
1 answer
7k views

How can I set an animated background image or lock screen?

I have this gif: I wish to set it as my lock screen image, but I am unable to do so because if I go into Settings > Background, and then go to the Pictures tab, I am only able to see still images in ...
1 vote
1 answer
136 views

How do I prevent Ubuntu from sleeping while MPV is running?

When I watch movies in the Videos app, the screen does not dim or lock while the movie is playing. However, in MPV, the screen dims and eventually locks following my default sleep settings. In general,...
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Ubuntu 22.04, locked screen idle after being given password

I have set my automatic screen lock after 5 minutes of not doing anything. Afterward, I can just log in back to my session. It used to work well until today. Now, whenever my screen is locked, I ...
0 votes
1 answer
120 views

Delay after unlocking screen?

I'm running Lightdm on Ubuntu 22.04, and I've noticed that after I unlock my screen, my desktop appears, but it's completely frozen for about 15 seconds, which is frustrating. Before, in 20.04, I was ...
8 votes
3 answers
22k views

Keep a laptop running with closed lid

I am trying to keep my laptop running with the lid closed. What I've done so far is: In the file /etc/systemd/logind.conf add HandleLidSwitch=ignore both for docked and plain mode. This didn't do ...
0 votes
0 answers
51 views

Show clock on all displays in lock screen

I have 2 or 3 displays (it depends) Normally on lock screen i see clock and other things only on the main display. And only a blured wallpaper on other displays. Is there a way to make it show clock ...
17 votes
5 answers
25k views

After upgrading to ubuntu 20.04 Lockscreen not working

I tried the shortcut Super + L nothing happens. In the settings, have set lockdown timer for 1 min, nothings happens after that. In the right corner menu after clicking lock item, it is showing ...
8 votes
3 answers
5k views

Ubuntu 20.04 (Gnome3 / LighDM) > lock screen on suspend

It might be a [duplicate] but none of the answers I found work for me. brieucdug@sildenafil:~$ uname -a ; gnome-shell --version ; lightdm --version Linux sildenafil 5.4.0-31-generic #35-Ubuntu SMP Thu ...
1 vote
1 answer
703 views

Lock screen, but show contents

Is there a way in MATE Desktop to lock the screen while showing contents? For example we have a TV in our office which shows Icinga alerts, some Grafana Dashboards, etc. (rotating tabs in Firefox). ...
4 votes
1 answer
713 views

How to display just browser and protect it by password

I'd like to set up a PC with monitoring in the office. It should display some dashboard in a browser and a person should not be able to interact with it unless he or she for example knows the password....
2 votes
1 answer
5k views

xfce4-screensaver change lock screen background

I am using i3wm and I use xfce4-screensaver as my locker program. The reason is that it feels familiar (dialogue to enter password and button to switch user). xfce4-screensaver comes with 2 things: ...
1 vote
0 answers
19 views

Total keyboard, mouse and screen lock

I want to make an alarm script to play a video and lock totally the keyboard, the mouse and the screen until the video finish. I really need wake up on time and sooner haha This is all I have: #!/bin/...
3 votes
1 answer
633 views

22.04 External monitors turn off/go to sleep when laptop is suspended, while all settings are set to disabled

I use my (work) laptop always with the lid closed connected with a dock and 2 monitors (one monitor directly connected to HDMI another plugged into the dock with HDMI) this works fine. But when i ...
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0 answers
53 views

Set screen blank and suspend timers on certain times on ubuntu 22.04

I would like to have several configurations about screen blanking and suspend times based on the time of the day and day of the week so, from 9 to 5 on weekdays, the screen stays on and the computer ...
0 votes
1 answer
75 views

How to Unblank lock screen

I'm using Ubuntu 22.04 and I have connected a monitor to my laptop. After locking, the screen goes blank after 10 seconds which makes the monitor looks empty. So I wanted to keep the lock screen alive ...
0 votes
1 answer
1k views

Ubuntu 22.04: How to change login screen background?

How to change the login screen background on Ubuntu 22.04?
2 votes
1 answer
814 views

Mouse cursor lag after lock screen, 64 bit 12.04

Recently I have noticed that when I return to my computer after it has been "locked" for a while, the mouse pointer has significant lag. The cursor position appears to only update a few times a second....
0 votes
1 answer
1k views

Ubuntu 22.04: How to allow screen blanking only when on battery?

How to prevent screen blanking when on AC? Corollary: Do screen blanking (as configured) only when on Battery power. Means: I do not need a different screen blanking setting between AC and Battery. ...
0 votes
0 answers
72 views

What does Ctrl+Alt+End is for and how to disable it?

I'm using Ubuntu 22.04.3 Jammy LTS desktop, and everytime i press Ctrl+Alt+End the screen goes totally black and i can't get back from it. I know the computer is still responsive because music is ...
5 votes
3 answers
752 views

How to automatically switch keyboard layout to English on screen lock?

I'd like my Ubuntu to automatically switch my keyboard layout to English each time I lock the screen, so that I wouldn't have to do it manually each time to enter my password. How do I do that? Also,...
7 votes
3 answers
3k views

How to maintain language of lock screen?

Half the time the computer locks, the language of the focused window isn't set to English, so I enter the password in the lock screen in the wrong language. Is it possible to maintain the language of ...
0 votes
0 answers
56 views

Getting a better lock screen

Why is it I can configure my login screen to look like this (using a script to set the gdm background that seems to break and have a new version for each version of Ubuntu?!?): But all I can get out ...
0 votes
1 answer
839 views

How can I remove static cursor image from the screen?

I have Ubuntu 18.04. I am seeing two cursors(Mouse cursor) on my screen. One is active and the other is just fixed like an image. It sometimes vanishes and sometimes reappears. It often happens after ...
2 votes
1 answer
321 views

Can't unlock gnome desktop on ubuntu 20.04 via VNC, but it gets unlocked when I unlock the screen on console screen

A strange thing is happening. I'm using Ubuntu 20.04 and usually I use VNC from my Windows 20 machine to access the Ubuntu machine. When the screen is locked on the VNC, when I entered the password, ...
11 votes
4 answers
5k views

Ubuntu 22.04.01: freeze-ups on refreshing from locked screen

After I upgraded to Ubuntu 22.04.01 last week, I have occasional freeze-ups on refreshing from a locked screen. My lock-screen requires my password to complete the re-opening. The freeze-ups occur ...
0 votes
1 answer
204 views

How to fix XFCE's xflock4 reapeatedly launching the screensaver?

I just upgraded to Xubuntu 23.04 and it turns out that now, xflock4 repeatedly launches the screensaver when locking the screen, even if I keep moving the mouse and typing into the keyboard, it keeps ...
6 votes
3 answers
3k views

screen is not locked after suspend/lid closed

My screen doesn't get locked after I close my laptop lid. The laptop suspends but the screen is not locked. I checked multiple settings: gnome-control-center > brightness & lock > lock on ...
0 votes
0 answers
120 views

Ubuntu 22.04 - lock screen, cannot reenter the desktop

After booting Ubuntu 22.04, I enter my password and log into Ubuntu. So all fine so far. If I leave my notebook unattended for some time, my computer turns into suspension mode. Then when I try to end ...
0 votes
1 answer
222 views

System sounds always play from built-in speakers in lock screen

I am on Ubuntu 20.04. Since recently, there are loud system sounds when locked/logged out. For example, when locking (through the top right menu -> lock), a lock system sound plays from the built ...
1 vote
0 answers
382 views

the screen is locked when I open settings in ubuntu 18.04

Hi I am new in Linux and I recently installed Ubuntu 18.04 until now when I open the setting it works fine now it looks the screen also my keyboard and the mouse are connected with USB and in the lock ...
10 votes
3 answers
11k views

Disable screen locking with xubuntu 20.04 and lightdm

I just installed Ubuntu 20.04 and then installed xubuntu-core. When prompted, I chose lightdm as my login manager. I then disabled everything I could find related to screen locking, but I still have ...
0 votes
0 answers
80 views

kde screenlock wont accept password and have to first press switch user

I am on kubuntu jammy and I have run into a problem. when I lock screen with meta+L I can put in a password but clicking on the button or pressing enter wont work, it will show the animation of being ...
0 votes
0 answers
43 views

How do you lock the screen on suspend but not on hibernate when using lightdm's screen locker?

I want lightdm's screen lock to function on suspend but not hibernate, because I do not want to enter both a password to unlock the computer and the lightdm screen-lock password. This question has ...
3 votes
1 answer
1k views

Dell Latitude 7490 laptop running Ubuntu 18.04 black screen when locked

My Dell Latitude 7490 running Ubuntu 18.04 (dock with USB-C) goes black with no way of turning it back on, whenever I lock it. Sometimes the screen goes black instantly, sometimes it goes to the lock ...
14 votes
5 answers
6k 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 ...
1 vote
0 answers
84 views

My Ubuntu 22.04 not waking up from after locking device(window key + L)

My Ubuntu 22.04 not waking up from after locking device(window key + L) My device is Asus vivobook 16x Ryzen 7 5000 series
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0 answers
56 views

Which EVENT triggers DPMS to blank out screen

I deinstalled almost everything and set up i3. I want to use only i3lock and nothing extended Now I want i3lock to trigger whenever dpms blanks screen out. The question is, which event is making the ...
0 votes
1 answer
119 views

Make GNOME keyboard shortcuts available on lockscreen (login screen )

I configured some usefull custom keyboard shortcut via gnome built-in shortcut feature (for example a keyboard shortcut for quick suspending ). However, when I lock my computer, they are not available ...

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