Questions tagged [screensaver]

Blanking of the screen or filling with moving images when computer not in use.

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47 views

Is it possible to prevent my Android phone from getting my blank screen stuck?

My Story I have a Pixel 6 with Android 12 and a Samsung with Android 7 and Ubuntu 18.04. When I setup my Androids to use the USB port as a Developer (or not), so I can access the phone from the ...
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72 views

How to configure ScreenSaver by Command Line?

I would like to configure ScreenSaver by command line (CLI) on Ubuntu MATE. I am already familiar with the GUI to configure ScreenSaver on Ubuntu MATE 20.04 as shown below: Control Center > Look ...
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24 views

Wrapper to skip to next screensaver in xscreensaver

if it doesn't exist I'm going to give it a shot myself but: does there exist some kind of "wrapper" around xscreensaver to skip to a next screensaver? (So, if you push a certain key ("n&...
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53 views

xdg-screensaver reset doesn't unblank screen?

I wrote this simple bash script: #!/bin/bash xdg-screensaver lock sleep 5 xdg-screensaver reset I wanted it to lock my PC, wait five seconds, then reset the screensaver to prevent the screen from ...
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1answer
75 views

How to unlock screensaver over ssh on ubuntu 21.04?

I want to unlock the black screen over ssh (screensaver). I have a desktop ubuntu 21.04 and I want to log into this via ssh and unlock the screensaver. I tried xdotool in a script: #!/bin/bash export ...
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33 views

Disable JetPack Ubuntu 18.04 command line blank screen

I launch my program in headless mode (non-ssh syslemctl set-default multiuser.target) using xinit. Problem is that after 10 minutes screen goes black/blank, and I need it to stay on all the time. I ...
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1answer
136 views

lockscreen not available Ubuntu 20.04.2

My look screen is not working or even "not presented". After reboot I can unlock the device but after that I cant lock it anymore Super + L not working gnome-screensaver-command -l not ...
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22 views

Determine what is keeping my screen from blanking

I see several questions on how to stop the screen from blanking, but I have the opposite problem. Ubuntu 20.10 (but it's been an issue for over a year), i3wm, many firefox tabs with (among other ...
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1answer
53 views

No video output after resuming from post screensaver

After the OS turns off the output due to idling. Upon pressing keys or jiggling the mouse I can no longer get video output and I have to hold the power button to restart and then the output returns. ...
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1answer
95 views

My ubuntu does not go to blank screen

In my power settings I have setup automatic Blank Screen in a minute however it does not go to blank. This is a laptop Lenovo Thinkpad. How to fix this? Is there at least any way I can manually ...
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1answer
243 views

Screen timeout for Ubuntu Server login screen

My server machine always has screen turned on on the login screen, which is shown right after the boot and where I have to input my login and password. There is no desktop environment. I wonder ...
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53 views

Replace screensaver on Ubuntu with Cinnamon UI

I would like to use screensaver different then the default floating clock on my Ubuntu with Cinnamon UI. I found solutions like this but after an update it is not working anymore. Any idea why and how ...
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Monitor turns on again after builtin screen saver turned it off on 20.04

I have a relative new Ubuntu 20.04 box but don't get the screen locker working correctly, even after many tries. Here is the behavior: Screen blanks after the configured time, and shortly after (as ...
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1answer
144 views

Displays don't sleep when the computer is idle under gnome3

I'm running Ubuntu 20.04.1, with Gnome3 desktop. I have Screen Blank Delay set to 15 minutes in Settings > Privacy > Screen Lock, but this does nothing. When my computer is idle for longer than ...
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1answer
524 views

Screen not turning off after screen timeout in 20.04

I have this problem where the screen doesn't completely turn off and just fades to black with the pointer visible after the set time in GNOME's settings panel. It looks like this: Is there any fix ...
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101 views

Critical Error messages when booting , Automatic suspend not working

CRITICAL: Unable to create a DBus proxy for GnomeScreensaver: Error calling StartServiceByName for org.gnome.ScreenSaver: GDBus.Error:org.freedesktop.DBus.Error.Spawn.ChildExited: Process org.gnome....
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623 views

Ubuntu 20.04 background -- is there a way to make the screensaver rotate/change every five minutes? [duplicate]

I would like to rotate/change screen saver on my background on Ubuntu 20.04. Is there a way to have it change/rotate every five minutes? Thanks
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1answer
22 views

Applications for removable media don't run when screen is blanked

I have used the Devices / Removable Media settings to activate a CD playing program when an audio CD is inserted. Works fine, except… when screen is blanked. I have the screen set to be blanked after ...
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50 views

Two screensavers running at the same time

I have xscreensaver installed. When I move my mouse, it stops the screensaver that is viewable. But when I hit a key, there is another screensaver running. I only want xscreensaver running. I do not ...
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2answers
1k views

Automatic screen lock on startup is blocked by an application

I am running Ubuntu 20.04 LTS and is trying to set up my system so it will log in my single user automatically but employ a locked screensaver on startup to ensure security. I have followed the ...
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2answers
426 views

screensaver not working and freezing the keyboard

I'm currently encountering some issues with my screensaver. I use Xubuntu 20.04 on a laptop Lenovo X270. When I try to activate the screensaver using the screensaver interface in "parameters"...
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101 views

Can't log back in to only my account after switching to another user in lightdm on xubuntu

My family has a shared computer were we all have accounts. This is an Xubuntu 20.04 system running lightdm as the user manager. For whatever reason, whenever I login to my account, then lock the ...
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1answer
186 views

XFCE Screensaver failed to engage

I recently installed Ubuntu 20.04, originally with MATE desktop. But due to an issue that that Xorg is gluttonously eating up my memory (see the linked Ubuntu bug for more detailed), I installed xfce ...
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1answer
881 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: ...
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1answer
290 views

Gnome-screensaver seg fault, can't lock session

Upgraded from 19.04 to Ubuntu 20.04 on Dell XPS 9350. There are no screensaver options in Settings or in gnome tweaks. Screen lock doesn't work, it quits the gnome session instead and gives me login ...
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1answer
1k views

How to customize the lock screen in Lubuntu 20.04 LTS?

I just replaced Fedora on my PC with the latest version of Lubuntu based on LXQt. I absolutely love it! But the lock screen that comes up after pressing Ctrl+Alt+Del is very poor in aesthetics. Is ...
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1answer
2k views

Ubuntu 20.04 not asking password when coming out of sleep

Ubuntu doesn't ask for my password when I'm getting out of sleep when closing my laptop and reopening it. I've followed everything listed here : Ubuntu 17.04 no longer asking for password when coming ...
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1answer
8k views

Ubuntu 20.04 screen saver background?

May I change the Ubuntu 20.04 screen saver background ? I do not see any option to do so.
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1answer
371 views

I have a question about the [multiple] screensaver app(s) I have installed

I have just upgraded to Xubuntu 20.04, but I believe this was the same way under 18.04 as well, I am just now getting around to look at the issue. If I go to Xubuntu menu -> Settings, there are ...
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1answer
410 views

DPMS Suspend on Screen Lock

I'm running Xubuntu 20.04 on my laptop (Acer B115-M). I'd like to have the following behavior related to the lock screen, and screensaver: Ctrl+Alt+Del, aka xflock4 should lock the screen and turn it ...
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324 views

Random screensavers on VNC server (resource intense)

I am currently using a VNC server on my desktop (Ubuntu 16.04 Mate DE) at work to work from home (through an intermediate SHH server). However, it has now started to use random screensavers when idle ...
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1answer
34 views

How to write a screen clearance script?

We are producing a terminal display (kiosk mode), Ubuntu 16.04, once a day we want to: set all pixels on screen to white for 10 seconds set all pixels on screen to black for 10 seconds set the screen ...
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1answer
2k views

Xscreensaver not working properly

I don't understand Linux and sys-admin stuff, but I have installed recently xscreensaver Ubuntu 18.04.4 LTS as described here and I have followed all the steps. If I lock the screen with Cntrl+Alt+L ...
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1answer
128 views

What is the screen saver showing animated physics simulations?

A few years ago the computer lab at my university had as a screen saver on their Linux machines with animated simulations of physic laws, like foam bubbles disintegrating exponentially or little ...
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1answer
600 views

Ubuntu 18.04: disable screensaver

I am trying to disable the screensaver in Ubuntu 18.04, that is I don't want ever the screen to "go black" after some time. This is different from disabling auto-lock etc. I guess I am confused ...
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1answer
1k views

Way to manually enable Screensaver/Clock Screen?

Here's a problem I have: I step away from my laptop, a notification/message arrives (e.g., an email), Gnome Screensaver activates (i.e., the clock screen), I return to my computer and swipe the ...
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3answers
226 views

How to disable normal user password at lockscreen WITH Black screen at login issue

I'm still quite a noob. Sorry for my english, not a native speaker. It's just to avoid putting password each time my dad laptop goes to sleep (basically used as a home pc and security wouldn't be a ...
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1answer
98 views

18.04 GNOME3 Shell bug: Dash doesn't return when waking up screen saver or unlocking the screen?

Image of problem So this happened to me before when using Ubuntu in the past. This has proven to be very annoying and the main reason I stopped using Ubuntu before. I've never been able to solve the ...
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1answer
89 views

Ubuntu Power options, Dim screen functions from Gnome unchangeable

After installing ubuntu everything was working fine i disabled Dim screen option, switched of automatica screen lock. All was good however after a bad shutdown i had to recover. After recovery all the ...
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1answer
810 views

How do I set Ubuntu to unlock screensaver with Yubikey

When I have this key: https://support.yubico.com/support/solutions/articles/15000006900-security-key-by-yubico I would like to use it to lock the screen when I pull it out and go away from computer ...
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1answer
91 views

Is it possible to turn off Ubuntu Server's GUI Screensaver

I do not know how to properly explain this but i'm using Ubuntu Server to run RetroPie without overhead of Ubuntu Desktop. Basically, when Ubuntu Server is running in non-text mode, after around 10 ...
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1answer
154 views

Video as sreensaver with xscreensaver and websreensaver

I wanted to use video as my screen saver. I followed the steps from here. I did all as mentioned but xscreensaver is showing black(blank) output. What should I do? image
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2answers
561 views

'gnome-screensaver-command -l' does not work as well as super+L on Ubuntu 18.04.3 LTS

I have had some trouble with logging on in the lock screen (apparently something to do with keyboard language). On the process of debugging, I was following @0x4B1D answer here. The fourth step does ...
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1answer
87 views

Running XScreenSaver on ubuntu 18.04, how can I return to user login lockscreen instead of XScreenSaver lockscreen (so we can switch users)?

Running XScreenSaver V5.36 on Ubuntu 18.04 with multiple users with different login sessions. When XscreenSaver launches from one user session, only that user can come back to the computer. We are ...
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41 views

How can i use a video as a screensaver on Lubuntu 19.04? [duplicate]

I want to use a .mp4 video as a screensaver, any suggestion?
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246 views

how to run screensaver as root for some other logged in user?

So root invoked some script, and specific user session should be locked. I managed to get this working before, but now I cannot win. Currently I'm following this article: https://0day.work/locking-...
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1answer
671 views

Kubuntu 19.10 screen saver activates HDMI sound and does not turn off screen

I've installed Kubuntu 19.10 twice with the same results. When the screen energy savings timer is reached, the sound is switched from the motherboard sound (the sound source I've set to default) to ...
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1answer
376 views

How to make terminal output the background of my lock screen?

Currently running Ubuntu 18.04.3 LTS with the Gnome 3 DE, and I want to change up the default Gnome lock screen. How would I change my lock screen background to display arbitrary terminal output? I'd ...
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53 views

Screen Saver Setup

What is the setup for screen saver and image choices in Ubuntu 18.04 LTS? I cannot find anything in "setup" or "utilities." Thank you for any help you can provide.
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1answer
690 views

Lubuntu 19.04 Screensaver locks during video playback

Pretty much as the subject says, the screensaver keeps activating and locking me out while I'm watching a long video, even while in full-screen. I've been able to find posts discussing this issue in ...

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