Questions tagged [screen-lock]

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56
votes
15answers
87k views

How can I lock my screen in Gnome 3 without GDM?

There is no "Lock" option showing up in the user menu, and the standard shortcuts (Ctrl+L or Ctrl+Alt+L) don't do anything. I'm running Fedora 19 with Gnome Shell 3.8.3, and XDM 1.1.11. I'm using ...
0
votes
1answer
14 views

lock screen option disappeared from debian 9 and can't lock the OS

I have also tried the solutions said in this link and tried installing sudo apt-get install gnome-screensaver. But the problem is that I can't lock the computer anyway since neither there isn't any ...
0
votes
0answers
17 views

GDM popup notification at startup

Since my update to Gnome 40, I've been getting a banner at startup telling me I need GDM in order to make screen-lock work. As GDM is installed and screen locking runs, I don't really know where to ...
0
votes
0answers
8 views

How to transfer settings from lock screen to login screen for GDM?

I have Gnome installed on Ubuntu 20.04. I would like my GDM login screen to be the same as my lock screen, which means two things: I want the same background I want my external monitor to display the ...
0
votes
1answer
47 views

Arch linux: i3wm set lock time out (xss-lock i3lock)

I use arch with i3wm. I have enabled i3lock in my .config/i3/config: exec --no-startup-id xss-lock --transfer-sleep-lock -- i3lock Problem is my computer locks like every 10 minutes. How can I set ...
0
votes
2answers
1k views

void linux and locking screen on suspend

I have some troubles with using slock with void linux. I tried adding slock as a script to zzz: /etc/zzz.d/suspend/slock #!/bin/sh slock which works in a strange way: if I call zzz, it brings up ...
0
votes
1answer
2k views

gdm3: Failed to parse options: Unknown option -reset (Ubuntu 18.04)

I'm having the same issue as described here: my computer won't wake up after I lock the screen or put it to sleep. One of the answers suggests running sudo gdm3 -reset, which I tried. But just as some ...
1
vote
1answer
1k views

Lock screen shortcut not working after update of Fedora 16

I recently ran a bunch of updates (I didn't pay attention to which, I was just prompted to update a bunch of stuff), and after running them, the lock-screen shortcut (CTRL-Alt-L) no longer works. I ...
0
votes
0answers
16 views

run scripts after unlocking mint screensaver

How can I run scripts after each screen unlocking on mint (cinnamon-screensaver)? I want to run on wake up after hibernating or sleeping or even after unlocking the screen.
0
votes
0answers
15 views

How to change virtual keyboad at KDE login/locking screen?

It's openSUSE 15.2 with default KDE, how to change virtual keyboard at login/locking screen (to Forence)?
1
vote
1answer
2k views

How do I enable the on-screen keyboard in the Linux Mint lock screen?

I'm using Linux Mint 17.2. I'm locked out of my own computer after changing my password to one using a 3rd tier character. I had set up my keyboard settings so the windows key enabled 3rd tier ...
2
votes
0answers
31 views

How secure is it to suspend Linux (Fedora) while using whole disk encryption?

I have a full disk encryption on my Fedora 33 workstation. The purpose of encryption was protection from stealing the laptop physically. But how much more unsafe to just suspend the OS, not fully ...
5
votes
2answers
3k views

Unlock Gnome shell takes a long time

I lock my GNOME Shell 3.6.3.1 by Ctrl+Alt+L as usual but when I try to unlock it takes up to a minute before I get my desktop back. While waiting I get a black background and a mouse pointer. Any ...
48
votes
13answers
127k views

Ubuntu 18.04 won't wake after screen lock and blank / suspend / sleep

I am trying to run Ubuntu 18.04 on a laptop with an AMD A12 processor and Radeon R7 graphics. I am having nothing but problems and am very discouraged with Ubuntu though I used 12.04 for years without ...
5
votes
2answers
3k views

How to use Desktop Lock Screen and turn off XScreenSaver Login Screen?

I am running Linux Mint 17.1, Cinnamon Desktop, Compiz, and XScreenSaver. I want to be able to use the Desktop Lock Screen and turn off the XScreenSaver Lock Screen. Turning off the Lock Screen in ...
0
votes
2answers
293 views

How to completely disable black screen and clock-page on CentOS 8 console (before login)?

I want my screen to stay EXACTLY the same after it's finished booting, forever, which means I NEVER want it to go black, and I NEVER want to see that clock overlay appearing over the top of my ...
1
vote
0answers
349 views

Unlock i3lock on i3wm using finger print sensor (fprint)

I am trying to set up my i3lock that I would be able to unlock it using finger print sensor on my thinkpad x390 yoga. I have set up my i3lock in .config/i3/config: exec --no-startup-id xss-lock --...
3
votes
1answer
124 views

Why is the gnome keyring not locked when the screen is locked?

I wanted to know whether the gnome keyring gets locked automatically when the screen gets locked, so I checked it with this command: dbus-monitor --session "type='signal',interface='org.gnome....
0
votes
0answers
19 views

Ubuntu server 16.04 mate DE screen lock timeout

I use ubuntu server 16.04 with xRDP + mate DE, but i have a problem, screen locking after ±30 mins timeout. I'm installed mate core version, in settings not have screen lock menu. Please, tell me, how ...
0
votes
0answers
45 views

Locking the screen freezes my laptop, how to debug?

Whenever I lock the screen on my laptop it freezes after about 2 to 20 seconds. After this I cannot switch to another TTY and existing ssh connections freeze. Only a hard reboot helps. Unfortunately ...
1
vote
0answers
44 views

Touch-friendly lock screen for Gnome

I installed Fedora Linux with Gnome as a desktop environment on my Microsoft Surface Go. I want a lock-screen to be touch friendly -- something like a pattern lock, or a pin lock (with a keyboard ...
1
vote
0answers
31 views

Xubuntu: Cannot unlock/wakeup when lid is closed

My laptop is docked with the lid closed. If I lock the session, it is impossible to wake up the system with mouse or keyboard. I must open the lid to wake it up. How to unlock without opening the lid ?...
6
votes
4answers
4k views

GNOME: Different PAM configurations for lockscreen vs login

I recently purchased a U2F security key, and I have successfully configured my Ubuntu 18.04 machine to require authentication via the key as well as my usual password to log in. I am hoping to change ...
3
votes
1answer
331 views

dconf editor value is different from gsettings get value

I did as follows: $ gsettings get org.gnome.desktop.session idle-delay uint32 300 $ gsettings set org.gnome.desktop.session idle-delay 80 $ gsettings get org.gnome.desktop.session idle-delay uint32 ...
12
votes
4answers
21k views

CentOS lock screen not unlocking

I have a centOS VM that when I lock the screen it will not let log me back in. I can enter my password as many times as I'd like, even try to "switch users" but the VM just ignores everything and ...
11
votes
2answers
2k views

Suspend linux from KDE Plasma 5 lockscreen

TLDR: How to suspend from KDE LockScreen? I'm using KDE's default lockscreen which you can somewhat configure But I haven't found a way to suspend my PC from the lockscreen, so I had to enter my ...
0
votes
0answers
255 views

Microphone of Dell Pro Stereo AE515M soundbar stops working after locking/unlocking session

I am running KDE Neon with a Ubuntu 18.04 LTS base. The microphone of my soundbar usually stops working after I lock and unlock my laptop or when I wake up my laptop after it has gone to sleep. Diving ...
0
votes
1answer
39 views

Can't login after chown command [duplicate]

I just installed elementary OS dual booted with windows 10. After the installation. I saw that the / root directory has every file and folder locked. I can't rename, delete or create anything there. ...
0
votes
1answer
530 views

Xfce - Lock the screen on suspend but not on hibernate

I am trying to get xfce to lock my screen on suspend, but not on hibernate. As I am using full disk encryption, I need to enter a password after hibernation to unlock my SSD (and I don't want to enter ...
2
votes
3answers
2k views

Suspend button does not work when xscreensaver is active on xfce Debian

I've Debian jessie and xfce. When I push the power button, my system is suspended. When I press any key on my keyboard the system wake up and I get the login prompt of Xscreensaver (screen lock is ...
0
votes
0answers
20 views

How to change the keyboard input method on a locked screen in Cinnamon Desktop?

I'm running Cinnamon Desktop on Ubuntu Studio 20.04. I noticed (the hard way) that the lock screen doesn't let you change your keyboard input method, meaning that if you leave your computer unattended ...
24
votes
4answers
37k views

suspend AND lock screen on closing lid in arch/systemd

what is the most straightforward way to lock the screen AND suspend when closing the lid? I'm using event hooks in /etc/systemd/logind.conf and successfully suspend upon closing the lid. However I'm ...
1
vote
0answers
234 views

After locking, screen won't turn back on with keyboard or mouse under Debian Buster

I was on Jessie, did an upgrade to Stretch and then immediately to Buster. I believe I have the default gnome 3 desktop manager. If I lock the screen with super-l then I cannot wake the screen up ...
0
votes
1answer
39 views

Why does Linux Mint MATE use a different login screen after a cold boot vs when locked? Does it have to?

Just what the title says. This is on the latest Linux Mint 19.3 MATE x64 as of a couple weeks ago. I noticed they're different because the initial login screen uses the system keyboard layout (which ...
0
votes
0answers
40 views

Why does GDM lock screen allows entering partially correct password to login?

I am using GNOME 3.34.2 on OpenSUSE Tumbleweed(20191221) with GDM. I locked my screen and was able to get back in just by entering the portion of correct password greater than a certain threshold ...
10
votes
1answer
6k views

Taking a picture with a laptop webcam after entering an incorrect password

I'd like to set up my laptop so that if a wrong password is entered when the screen is locked, a picture is taken using the laptop's webcam. I examined xlock (from xlockmore package), but there is no ...
29
votes
7answers
71k views

Why doesn't my screen lock in XFCE?

I'm trying out XFCE on Arch Linux, and for some reason the Lock Screen option in the session menu doesn't do anything. Neither does running xflock4 at the command line (it exits 0 with no output). ...
0
votes
1answer
3k views

Locked out of Ubuntu after installing amdgpu-pro and adding user to video group

I have managed to lock myself out of linux (ubuntu). I installed amdgpu-pro, video drivers for graphics card (Radeon RX470) and then followed their guide to add myself to the video group with (as is) ...
2
votes
0answers
279 views

GNOME lock screen - programatically remove screen dimming

I am Using Ubuntu 18.04 and Higher Versions. The gnome-lock screen/ gnome-screensaver what ever it is called, There are two possibilities of locking the screen in my use case: Lock the screen with ...
1
vote
1answer
132 views

kscreenlocker_greet: Disable VLC controls

When locking my screen I get the VLC controls for the actively playing video on the lock screen. How can I disable these controls?
6
votes
3answers
3k views

Run script on screen lock in KDE

Is there a way to run a bash script on locking the current KDE session?
1
vote
3answers
416 views

How can I disable F1 key in linux console (i.e. to prevent tty switching)?

pressing CTRL-ALT-F1 allows to switch to tty1. Being on another tty. I can change the keymap using loadkeys FILE. What would be a way to disable F1 key? Would that allow to prevent switching to the ...
0
votes
1answer
194 views

Screen Lock Checks password file but not Active Directory

We have a Linux system running Centos 7 and have an issue with the screen lock. We have a multi-user environment where each user has their own account. The authentication is using our university ...
0
votes
1answer
638 views

Sleep monitor without requiring password on KDE?

I’ve got a Debian Stretch/KDE machine set up to run a CNC router. I'd like to set things up so that the display goes to sleep if the machine is left alone for a bit, but without requiring a password ...
1
vote
0answers
270 views

How to login to KDE Plasma without pressing enter?

At my lock screen in Plasma, I can start typing my password directly. What I want to do is that as soon as the password is correct, it should unlock. Say my password is "1234", on my lock screen, by ...
1
vote
2answers
385 views

What is the Konsole command that locks the screen

I'm using OpenSuse Leap 42.1 and I would like to remap my Keyboard. Now, I want to remap one key (The Sleep key) to lock the screen instead of sending the entire PC to sleep. For that reason, I need ...
2
votes
1answer
57 views

The screens remain off after locking them in Debian

I have Debian SO as root and I have installed the XFCE desktop distribution. After this, it seems that I have lost the keyboard shortcuts and when I lock the screens I do not get the traditional lock ...
0
votes
0answers
1k views

What is the best way to handle screenlock and screensaver in Arch/i3?

I recently switched to Manjaro/i3, and I was trying to make i3lock into my screenlock/screensaver, so have it lock the screen after x mn of inactivity, as well as locking the screen upon going to ...
2
votes
0answers
607 views

lightdm and xfce - password prompt invisible after locking

just updated from LinuxMint 18.3 to 19.0, found a weird problem in locking and unlocking screen. Closing the laptop lid puts the computer to suspend, but when opening it, the password prompt for ...
0
votes
0answers
118 views

How do I get Oracle Solaris 11.3 to lock the screen automatically

Anybody know how I can get Oracle Solaris 11.3 to lock the screen instead of automatically logging out after a default period of time? The time frame does not matter; it's the fact that I get logged ...