Questions tagged [screen-lock]

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40 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 ...
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0answers
56 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 ...
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0answers
39 views

How to re-enable lock screen on gnome after installing xfce?

My default settings was a Debian 9 with Gnome and, as I was looking for a more lightweight desktop enviroment. I didn't quite liked the xfce looking and went back to Gnome by selecting it on the lock ...
0
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1answer
317 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
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3answers
92 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
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1answer
49 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 ...
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0answers
25 views

Shut down from Lock Screen

I have a Ubuntu 18.04.3 LTS VM running in VirtualBox. If I don't type into the machine for a while, the lock screen comes up. When that screen is up, I can no longer shut down the VM gracefully - I ...
0
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1answer
105 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 ...
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0answers
68 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 ...
2
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1answer
52 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 ...
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0answers
753 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 ...
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0answers
1k views

Blank screen wake-up keyboard shortcuts for Kali Linux Light (XFCE)

I configured my display settings in the XFCE Power Manager to Blank After 1 minute and Sleep after 5. What I found is that to turn the system back on after it blanks, I have to press Ctrl + Alt + F6 ...
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0answers
74 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 ...
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0answers
32 views

Check user is at lock screen

I'm guessing this is greeter specific but wondering if there is a terminal command you can run to see if a user has locked (or the lockscreen has come into effect on) their computer. This specific ...
0
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0answers
103 views

Screenlock backdoors and how to close them

There is a warning in the Archlinux List of security applications. It says that of all possible screen-lockers, only four block tty access: sflock, physlock, Cinnamon Screensaver, MATE Screensaver and ...
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0answers
36 views

Is it possible to keep some program running outside screen locking?

Is it possible to keep some program running outside screen locking? For example, some keys on my keyboard are not good to use, making it difficult to type password to unlock screen. so I want to keep ...
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1answer
1k views

How can I lock the screen of a remote machine?

From https://unix.stackexchange.com/a/505644/674 When you're using SSH, you can access the screen you're connected from by using ssh -X or ssh -Y . Programs can perfectly run on a machine and ...
4
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1answer
260 views

Can I lock the screen of a remote computer and still keep it visible to the others on its side, but keep it unlocked to me on my side?

I would like to accessing a remote computer via xpra or vnc or some other desktop sharing way, and on the site of the remote machine , I would like to lock the screen (and optionally make it ...
4
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1answer
32 views

Multiple user authentications for same account/environment

A computer is being used for shift work currently with a shared account with autologin at boot. Certain UI applications start up at autologin and its important that they run continuously. How can we ...
3
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1answer
108 views

Lock Virtual Terminals when resuming

Many screen lockers (mine is i3lock) do not block access to other Virtual Terminals. This means that, if I leave a session opened in some VT, then even when the desktop is locked (for example when ...
0
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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
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1answer
72 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?
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3answers
2k 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 ...
1
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0answers
233 views

How to remove linux mint useless login screen? [duplicate]

I've managed to remove password on login but can't remove this useless screen, so every time I boot up I have to press the "Log in" button to bypass it: Following on from a comment suggestion I've ...
1
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0answers
459 views

i3lock wallpaper when closing lid

I'm new to Arch Linux, and I would like to have i3lock with a background of my choice welcoming me after I close the lid of my laptop. However, though I was able to achieve the nice background for ...
0
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1answer
1k views

LXQt - stop screen-locking upon waking from suspend/sleep

Posted in order to provide the answer. I have a good experience with LXQt desktop environment installed on top of Kubuntu 18.04, but it still has some odd features - about which it is not that easy ...
0
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1answer
145 views

Allow DPMS to turn off screen with force when the screen is locked?

I discover that command xset dpms 300 which turn off the screen for example after 5 minutes (300s), and it wonderfully doesn't turn off the screen if a youtube video is actually playing even in a ...
1
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0answers
116 views

Cinnamon moves all windows to primary monitor when unlocking screen

I run Cinnamon with two 4K monitors. Every time I unlock my screen, all open windows move back the primary monitor. How can I make these existing windows remember their position? This is a desktop ...
2
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0answers
435 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
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1answer
3k views

CentOS 7 GNOME lock screen although all settings say otherwise

My CentOS 7.5 VM pops up a blank screen after that is left unused for some time (~15 minutes). When the mouse is moved, it shows a clock in the middle of the screen and requests a password to unlock. ...
0
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1answer
911 views

What happens when I forget to logout in TTY?

This is something I have asking myself for some time. Imagine the following: I press CTRL+ALT+F1 to switch to TTY1 I login there and execute a command I switch back to xorg with CTRL+ALT+F7 I forget ...
31
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13answers
78k 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 ...
3
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1answer
1k 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 ...
4
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1answer
3k views

Can I invoke a GNOME screen-lock from the terminal? [duplicate]

I'm running a GNOME/Wayland desktop environment, with GDM, on a Debian-based distro. I normally lock the screen with Super + L . Is there a command to invoke the screen-lock from the terminal?
0
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1answer
56 views

how to determine the source application of xorg activity?

My screen was not auto locking after 10mins as i configured it. Using xssstate -i, and w/o touching the mouse or the keyboard, i saw that every 30s the iddle timer got reset to 0. I need to know ...
0
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1answer
211 views

How can I wait until xscreensaver is unlocked?

How can I wait until xscreensaver is unlocked? xscreensaver-command -lock locks the screen, but it returns before the screen is unlocked again. xscreensaver provides an xscreensaver-command -watch ...
0
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1answer
408 views

Check if user is idle/locked out

I am working on a little script that logs what the user is actively working on (on the desktop), and thus needs to know if the user is active or idle. The script is run as root via crontab every 1 ...
1
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1answer
391 views

Make keyboard shortcut work with locked screen

I currently use slock to lock the screen. It intercepts all keystrokes, preventing them from reaching the window manager (in my case Fluxbox). This is a good thing. However, I want to be able to use ...
1
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0answers
101 views

Desktop doesn't lock when running Virtualbox

I am running Kali Linux as my host OS. To keep this host installation clean, I run VirtualBox to host a guest instance of Linux Mint. In the virtual machine is where I run a web browser, and install ...
7
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1answer
775 views

change KDE screen locker

How can I change whatever program KDE5 uses for screen locking to slock? AFAICS there is no such option in the system settings.
2
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1answer
611 views

LightDM screen lock in awesome-wm unlocks by itself

I use LightDM with awesome-wm. To lock screen I use command dm-tool lock. Most of the time it works fine but if after issuing the session lock command I switch to another tty and then go back, ...
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0answers
41 views

`vim` brings me to lockout [Unity bug? Solved…ish]

Anytime I open a file with vim I am taken to the lockout screen. My monitors briefly display that there is no signal. After entering my credentials I am back in and the file is opened. This started ...
2
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1answer
173 views

xscreensaver doesn't stop fadeout correctly

I have xscreensaver set to blank my screen, with a 5 second fade duration. When user input happens during this fadeout, the following happens: screen starts fading Image freezes, only fading updates ...
1
vote
1answer
464 views

Dim screen before screensaver

Using DPMS, my screen goes blank after 10 minutes. How would I go about dimming (lowering the backlight) of the screen a few seconds before this happens, as a sort of warning? Output of xset -q: [......
0
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1answer
9k views

How to disable screensaver in LXDE? [closed]

I want to disable screensaver in LXDE.
0
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1answer
2k 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) ...
6
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3answers
2k views

Run script on screen lock in KDE

Is there a way to run a bash script on locking the current KDE session?
8
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2answers
10k views

How do I customize Gnome screen shield / curtain / login screen appearance?

Gnome desktop seems configurable in various ways: in "Gnome settings", with gnome-extensions, gnome-tweak-tool, gsettings or dconf-editor. However, apart from this procedure to change the login ...
-4
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1answer
470 views

Kali linux laptop lock screen

Now I am trying to hack my router password, and I want to ask if I lock my laptop, the hacking procces still goes on? or I need to have my screen on. Thanks.
6
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2answers
196 views

Have certain keys pass through lockscreen

I'd like to have certain keys (mainly media keys) reach my windowmanager even if my lockscreen is active. This way, I could control my media player even when my screen is locked. As far as I can see, ...