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

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1
vote
0answers
5 views

Ubuntu lock screen with running apps in the back instead of a wallpaper

I have Ubuntu 15.10 (Wily Werewolf) installed, is it possible to have a lock screen overlaying whatever I'm doing in the background versus having a wallpaper as the background? For example if I'm ...
5
votes
1answer
33 views

Keep computer locked in a view-only state

Is there any way to keep my computer locked in a "view-only" state? I want to be able to see the screen, but if I want to control the computer, I'll have to enter my password. I cannot move the ...
1
vote
0answers
8 views

I switched from unity to i3wm but after suspend I still have gnome-screensaver instead of i3lock

How do I configure Ubuntu 14.04 so that when I close the lid of my laptop (in a i3wm session) and open it again, the screen is locked via i3lock instead of gnome-screensaver? I spent the day ...
1
vote
1answer
27 views

Screensaver/black screen doesn't start on its own

Running 16.04, 5 minute inactivity timeout, sometimes the screensaver (or blank screen, to be accurate) won't start until I hit Super+L and lock the session. Suggestions? Running Nvidia 367 drivers, ...
2
votes
2answers
4k views

How to disable xscreensaver lock on suspend?

I have recently installed Ubuntu 12.04 LTS and have installed xscreensaver. As I am the only user on this computer and I am only using the computer for music, movies, and some web browsing I have no ...
3
votes
2answers
3k views

How to make “xset s off” survive a reboot (12.04)

On an almost fresh install of Ubuntu 12.04, after disabling screen turning off, screen lock, and suspension on inactivity from all the (two) places one can find under Ubuntu's System Settings, the ...
14
votes
11answers
49k views

How to stop screen going black after 10 min

My OS is Lubuntu 13.04. After 10 mins of inactivity the screen goes black. What I did to stop it without effect: uninstalled xscreensaver completely in power setting I set to never blank the screen ...
0
votes
2answers
570 views

Laptop screen goes blank after 33 seconds of inactivity

I have a Lenovo Thinkpad T60 running 12.04.4 LTS, Precise Pangolin; the desktop is KDE. Starting today, the display goes blank after 33 seconds of inactivity. Clicking or even moving the mouse, or ...
0
votes
1answer
23 views

Why does my laptop's screen remain black when I try to unlock it?

After locking my laptop, every so often, when trying to unlock it, the screen remains black. I see no cursor, and I can't switch to any of the other TTYs either. I end up having to hard reset it. I'...
0
votes
0answers
51 views

Severe graphic artifacts on screen after screensaver!

Note: I tried to use descriptive language, but because I'm uncertain of the problem's underlying details, I'm not necessarily able to use the most accurate and descriptive language. Often, when I ...
0
votes
0answers
19 views

How can I configure my x-server, that gamepad input prevents screen locking?

The problem is, that if I play with my gamepad (on zsnes which by the way should not matter), I get interrupted by the screenlock after some time, because the input in not coming from the mouse or ...
71
votes
4answers
97k views

How do I disable the screensaver/lock?

When I'm watching a film in Mythtv the screen turns to black every 10 - 15 mins and I have to log back into Ubuntu. Very annoying! How do I disable the black screen / screensaver / logout in Unity? ...
6
votes
3answers
17k views

Where does one get pretty screensavers for Xubuntu (xfce, xscreensaver)?

I browsed through the default set of screensavers and the most are ugly, a couple are decent and the only quality ones are Flurry, GLSlideshow, MetaBalls are PopSquares. Where does one find more nice ...
0
votes
2answers
232 views
0
votes
0answers
39 views

NetworkManager, unknown authentication passwords, and XScreenSaver 5.15

I used to use a laptop running Xubuntu, but then got a new one. It's been a year or so since I booted it back up and this is what I noticed. It's been so long I cant remember what it is so I tried ...
1
vote
0answers
38 views

Why wireless network list become unavailable after screensaver activity?

Every time I resume my work after a screensaver, the wireless network list becomes unavailable. No listing at all. Wireless connection is activated all the way. What baffles me is that I can web ...
0
votes
0answers
23 views

Screen goes blank after returning from screensaver

I just started having this problem where the screen goes blank when I dismiss XScreenSaver. I can still see and move the mouse cursor but no other GUI is visible. It's all blank. Ctrl-alt-del does ...
1
vote
1answer
92 views

I have Ubuntu 14.04. Do I use xscreensaver or gnome screensaver?

I had version 12.04 on another machine. I don't remember the terminal command to get screensavers. I had a simple one called "box fit". Anyone know how I can get the simple screensavers back? I don't ...
0
votes
0answers
25 views

Cannot turn off screensaver

Just installed 16.04 with MATE. Although I can turn off the settings on the MATE "Screensaver", they just don't turn off. I have to put in my password to get it going again. Using xdg-screensaver ...
0
votes
0answers
29 views

How to set which programs can override screen off/lock?

First, I do not want to disable completly screensaver/lock like asked here How do I disable the screensaver/lock?. I want to disable it just when certain program is running and is not minimized (the ...
7
votes
6answers
23k views

Lubuntu enforces screen lock

I can't disable screen lock in Lubuntu. In Power management I have it unchecked. There is another option "Enable light locker" in the "Light locker settings". I also have this unchecked but I still ...
0
votes
1answer
100 views

xUbuntu: screensaver settings are missed with two monitor

I've installed xUbuntu 14.04 since 2013. Two weeks ago I've bought a new monitor, so now my pc have 2 monitor. I'm searching for the screensaver settings, but in my Settings Manager there isn't: ...
0
votes
0answers
27 views

Cannot login, xscreensaver not loading

I use a BackBox/Ubuntu system and it had xfce and xscreensaver login screen when booting. Days ago I was testing shortcut keys trying to logout using keyboard, and pressed CTRL and Fn Thinkpad key ...
0
votes
1answer
225 views

Lock screen with gnome-screensaver-command as root (from /etc/pm/sleep.d script)

My system (Ubuntu 15.10) has a bug: I have enabled "Require my password when waking from suspend" on the "Brightness & Lock" settings panel, but it does NOT ask for my password, which is ...
2
votes
1answer
102 views

Changing Xscreensaver's Video Player from mpv to VLC

The official documentation for xscreensaver gives an example of how to play videos as a screensaver: Install mpv and add something like the following to the `programs' preference in your ....
0
votes
0answers
7 views

How do I interact with the session media bus?

I've written a screensaver/screenlock. I hate the defaults and xsaver just wasn't doing it for me so I built one from scratch. I've got the time, random pictures from the web, a nice little warning ...
0
votes
0answers
49 views

Ubuntu 12.04 and 14.04 both freeze except you can still use keyboard and mouse

After a period of time which seems to be the same every time (although i have not timed it) everything on the desktop freezes, except for the keyboard and mouse. I tried disabling everything in the ...
2
votes
2answers
1k views

Unlock KDE from bash

I am running Kubuntu 13.10 x64 with no special settings. Now I want to unlock the machine by ssh (the kde screen lock). I tried this: http://thebigbyte.blogspot.de/2010/05/how-to-lock-unlock-kde4-...
5
votes
6answers
11k views

How do I turn off the screen saver using the command line?

I would like to turn off the screen saver from command line, which used to work with gconftool-2 -s /apps/gnome-screensaver/idle_activation_enabled --type=bool false in natty & oneiric for ...
3
votes
2answers
2k views

Please explain the parameters 'noexpose' and 'cycle' in xset

I have been trying for a long time to prevent my screen from blanking every 20 minutes. I understand there are many interlocking layers of applications that can do this and it is not straightforward ...
1
vote
0answers
105 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
2answers
853 views

How to kill KDE screensaver from command line

Sometimes lock-screen just can't be unlocked in KDE, so I have to kill it from TTY. Update: in 4.13 plasma-overlay always respawns. Any other way?
0
votes
0answers
23 views

trigger motion with dbus scrensaver event

I'm looking for a bash scrip to trigger motion when screensaver turns on and stops motion when screensaver turns off. I'm using Trusty Tar KDE on an Aspire E1-510. My linux programming skills are ...
0
votes
0answers
208 views

Replace Xscreensaver with i3lock

I was wondering if it is possible to replace Xscreensaver with i3lock. Today I am using i3lock which bluring my screen when it's locked but I want to use it as Xscreensaver, is this possible? Here is ...
1
vote
3answers
3k views

Where do I set-up a screen saver in Xubuntu 15.10?

That's strange but I can't find where can I choose a screen saver and configure when will it start. There is no button named anything like "screen saver" in the Settings Manager.
2
votes
1answer
36 views

Cannot find how to disable a screensaver

Sorry for a 2nd stupid question in a row. Can you please tell me how to disable screensavers in Kubuntu? I cannot even watch a movie without it popping up every 5 minutes.
0
votes
1answer
202 views

How do I create a simple loop daemon bash script? [closed]

I want to create a simple daemon bash script that will run a command if my computer is inactive for more than 10 minutes. I created an alias to run a python script in the terminal, and I plan on using ...
0
votes
0answers
34 views

Why does Xubuntu asks for my password twice when it wakes up from the blank screen?

Every time Xubuntu wakes up from the blank screen it asks for my password and then, after I enter it, it asks for it again. This doesn't happen if I lock the screen manually. How can this be fixed?
0
votes
0answers
43 views

HDMI not reinitializing after disconnecting in 14.04LTS

When receiver switches HDMI inputs from the Ubuntu 14.04 LTS system to something else and back the HDMI output goes blank/off and won't reinitialize. The only way to get video back is to reboot the ...
6
votes
4answers
20k views

Stop Xscreensaver from locking screen once screensaver starts

I have installed Lubuntu 12.04 and was wondering if there was a way to keep it from locking the screen when the screensaver starts? The "lock screen after X minutes" box is unchecked, so that is not ...
0
votes
1answer
118 views

Which program am I using to lock screen?

On Ubuntu 14.04 with XFCE desktop environment, how can I know which program or daemon is locking my screen automatically after a few minutes of inactivity, and when I click "lock screen"? Different ...
2
votes
1answer
786 views

How to run cmatrix without error using '-l' option in Terminal (not console)?

I have installed cmatrix using the command: sudo apt-get install cmatrix And when running the command: cmatrix -l In console (the ttys) I get a very cool looking font with matrix like symbols. ...
0
votes
0answers
68 views

enforce screen locking to all users

On Ubuntu 14.04 and XFCE desktop environment, how can I disable all animated screensavers and enforce to all users automatic screen locking after a given time of inactivity with password request on ...
0
votes
0answers
66 views

Display not recognised after switching off and back on

Sometimes, when I am away from my computer for a while, I like to switch off my monitor, because I feel it does not need to be active and waste energy for nothing. I have usually done this without a ...
26
votes
6answers
2k views

ASCII screensaver for the command-line or a TUI?

This question was closed due to being too broad, so I'll be more specific with regard to ASCII animations here =) Are there any ASCII animations that can be used as screensavers - either in the TUI ...
3
votes
1answer
2k views

Replace Light Locker with Gnome screensaver

There have been many issues reported concerning Light Locker. Sometimes the lock doesn't work, it locks by itself when not supposed to and many more. Bottom line is Light Locker's major issue is, it ...
12
votes
4answers
9k views

How to turn off screen (DPMS) together with locking session in KDE?

First of all, I'm aware a similar question for GNOME is asked here: "Switch off laptop backlight when locking screen". Objective I would like to turn off my screen on locking the session for power ...
1
vote
2answers
4k views

How to override the screensaver settings in the MATE desktop:

I installed mate onto Ubuntu 14.04. Before installing mate, I had the Unity and LXDE (Lubuntu Packages) desktop enviroments installed. I installed mate and rebooted. After that, I got two network bars,...
5
votes
1answer
643 views

How do I get cmatrix to turn on after a certain period of inactivity in console? [duplicate]

I have got the console screensaver cmatrix, and I was wondering if there is anyway of getting it to turn on after a certain amount of inactivity in the console you are in? OS Information: No LSB ...
35
votes
8answers
114k views

How do I completely turn off screensaver and power-management?

I looking for a method to turn-off the screensaver and powermanager but from the command line. I'm aware this can be done via the GUI screen - but can this be done via the command line or via some ...