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

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0
votes
0answers
17 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
3answers
708 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: ...
4
votes
6answers
9k 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
1k 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 ...
0
votes
0answers
19 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 ...
9
votes
10answers
40k 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 ...
2
votes
2answers
716 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
13 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 ...
60
votes
4answers
80k 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? ...
0
votes
0answers
32 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
218 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.
1
vote
1answer
23 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
62 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
21 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
34 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 ...
7
votes
5answers
18k 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 ...
5
votes
4answers
19k 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
0answers
71 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 ...
0
votes
1answer
68 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
450 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
23 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
45 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 ...
27
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
1k 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 ...
11
votes
4answers
8k 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 ...
2
votes
1answer
2k 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 ...
1
vote
2answers
2k 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 ...
7
votes
1answer
364 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 ...
32
votes
8answers
97k 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 ...
0
votes
0answers
51 views

Ubuntu 14.04 use xscreensaver on lockscreen command

Most people probably no longer worry about screensavers, let alone xscreensaver, however I am still very much a fan of the package. I've installed xscreensaver and have it starting up with -nosplash ...
16
votes
8answers
14k views

How do I stop the screen from being locked on suspend?

On GNOME the screen locks when I suspend, and I find that a bit annoying (no one else in the house uses ubuntu anyway haha). What can I do to stop this?
0
votes
0answers
40 views

How can I turn off the screen saver?

I want my physical monitor to turn off (standby mode) after some minutes. I do not want to run any fancy idle graphics on the display - just show my apps or desktop, then simply turn OFF. Just off. ...
0
votes
0answers
24 views

gubuntu 14 screensaver kerberos

It seems gubuntu 14.04.3 default screensaver don't renew the kerberos afs token. I've created the file /etc/pam.d/gnome-screensaver with: @include common-auth auth optional ...
0
votes
1answer
35 views

What component is causing the monitor to go to sleep?

We make systems based on Ubuntu 14.04 which we configure to kiosk mode, meaning we change the session to run our application and never present any desktop. Our session file is: [Desktop Entry] ...
1
vote
0answers
34 views

14.04 - screen not locking?

running 14.04.3 with unity. Since some days, occasionally my screen will not blank and lock; although "brightness and lock" is configured to exactly do that after 3 minutes. I checked for answers ...
2
votes
1answer
141 views

14.04 gnome-shell gnome-control-center screen does not work on desktop, why?

After hdd crash. I decided to also install latest ubuntu 14.04.4 now. Kernel 3.19 (previously I was still using the older kernel). After installing ubuntu I installed gnome-shell. I was again hit by ...
44
votes
6answers
79k views

How can I change or install screensavers?

I want to change the default screen saver in Ubuntu 11.10/12.04. On 11.04 I just did a sudo apt-get install xscreensaver-data-extra xscreensaver-screensaver-bsod And then I could change it in the ...
0
votes
0answers
89 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: ...
1
vote
3answers
98 views

How can I have a screen saver in Ubuntu?

How can I have a screen saver in Ubuntu? Is there something I need to install to get it back?
5
votes
3answers
2k views

How do I stop xscreensaver during movies play?

I'm running Ubuntu 12.04. I installed xscreensaver in place of gnome.screensaver. My problem is that I cannot get the screensaver to stop popping up when I'm watching a movie on Movie Player. I have ...
1
vote
2answers
537 views

I want to see the electric sheep “screensaver” on my ubuntu boxes

I have a number of laptops and PCs running in my home, generally running Ubuntu 14.04 with the gnome window manager I used to love having the Electric Sheep screen saver, I understand the Gnome ...
4
votes
2answers
171 views

Unlock gnome-screensaver instead of deactivating

So, I've been trying to create a USB key for my machine. I've used PAM-Usb as described in many places over the internet (for example this one, which is basically copypasted everywhere). I ...
7
votes
3answers
233 views

Cannot log-in at locked screensaver, must log-in with “switch user..”

I have configured my screensavers to lock the desktop after some time; and sometimes, e.g. when I leave my desk, I prefer to lock the screen myself using the title bar "Lock/Switch account..." ...
3
votes
2answers
5k views

xscreensaver to load at startup?

Greetings I am running UBUNTU 12.04 and logging in on UBUNTU 3D. Wondering if anyone knows the definitive answer to getting xscreensaver to load at start-up? I have removed gnome screensaver, ...
0
votes
0answers
64 views

screensaver show randomly picture from folder as in windows

My question is exactely the same as this one except the answer doesn't work it juste pick an image from the folder and display it. Is there a way to juste like windows set a folder and set the ...
3
votes
1answer
215 views

How can I lock my Ubuntu phone using the terminal?

I have the terminal installed on my Meizu MX4 Ubuntu phone, is there a command I can use to lock the phone from the terminal? By "lock" I mean the same thing that the lock button on top of the phone ...
0
votes
0answers
139 views

How to get XScreenSaver to lock screen on wakeup on GNOME?

I am wanting the same thing as I did here XScreenSaver Lock Screen, except for now that I am running Ubuntu GNOME 15.04, with GNOME Shell, and GNOME 3.16, things are slightly different, as the answer ...
1
vote
1answer
1k views

How to set up gnome-screensaver?

I am running Ubuntu GNOME 15.04 and I have install gnome-screensaver, however after doing some searches through my system, and my system settings, I am unable to find any configuration settings for ...
0
votes
0answers
133 views

Screensaver issues using KDE Plasma Workspace on Ubuntu 14.04

I'm fairly new to Linux/Ubuntu, replaced Win XP with it and LOVE it. I am having an issue with screensaver on KDE Plasma Workspace. I initially installed Ubuntu 14.04 with a Lubuntu desktop and after ...
2
votes
1answer
7k views

How to make Ubuntu not to lock the screen while running VMware in fullscreen?

I am running Windows XP inside VMware Player. I have two monitors and I keep VMware in fullscreen on the second monitor. The problem is that if I work long enough in inside Windows XP, Ubuntu locks ...