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0
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1answer
28 views

how to detect what DISPLAY is active/has input focus?

Is there some command (or trick) to detect what DISPLAY is active? I mean active in a sense that it will "eat" all key strokes, and mouse clicks and moves; so it has the input focus. I mean also for ...
2
votes
0answers
21 views

Configuring Linux Second Monitor

I have two identical monitors (Compaq CQ1859s, 1366x768). I just installed Ubuntu onto the computer with which these monitors are being used. Upon installation, one of the monitors had its type ...
0
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0answers
11 views

Cube not working in Fedora 20 KDE

When I switch desktops on my Fedora 20 system, with the "desktop cube" it doesn't work. Instead of showing the cube effect, it displays briefly LibreOffice with an open document which I closed 10 ...
2
votes
0answers
48 views

How can I set up an offbrand display link (Trulink) to work with arch linux?

I recently bought a USB to DVI adapter and it works great in Windows. However, I wanted to use it on Arch since that's where I do most of my work. Unfortunately it doesn't work. I've installed all ...
1
vote
1answer
34 views

Screen stretching on Mint Cinnamon after hard reboot

I've been running 64-bit Linux Mint Cinnamon for a couple of years now on my current hardware. I upgraded to Qiana a month ago and hadn't had any problems with it. This morning my machine locked up ...
0
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0answers
32 views

xrandr-mediated correction of VGA overscan on external computer monitor

When I employ an external monitor (Dell E207WFP) as the display device for my laptop computer, about 10 pixels are truncated from the left edge of the screen, which I believe is a consequence of a ...
1
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0answers
51 views

DisplayLink monitor alongside Intel

I have a USB DisplayLink device that I've been able to get working with a custom Xorg configuration file. I'm running Ubuntu 12.04 amd64 with the X server from saucy as a result of installing the ...
2
votes
0answers
58 views

How can force my screen to unblank?

I've been doing a lot of looking around forums for different ways to unblank the screen. I am running embedded linux on a machine I have and I found out that the screen goes blank under certain ...
2
votes
2answers
143 views

How can I make xrandr changes persist?

I run this command to allow me to move windows between screens: xrandr --auto This magic command fixes my screen for me (before I run this my 2nd monitor is just an empty space where I can move my ...
4
votes
1answer
177 views

How do I extend my desktop to my 2nd monitor rather than just cloning it?

I have just installed Debian Wheezy for the first time and have had mixed success getting my system up and running. Currently my main issue is that I am unable to extend my desktop to my second ...
4
votes
2answers
214 views

WMI-based hotkeys on not working

On my Dell latitude e6540, the WMI hotkeys Fn+UP and Fn+DOWN are not working. I have all necesary modules compiled in my kernel: CONFIG_DELL_LAPTOP=m CONFIG_DELL_WMI=m CONFIG_DELL_WMI_AIO=m On the ...
0
votes
0answers
20 views

Increase brightness in a part of the display

I have a laptop with a damaged screen: while it displays an image, one half of it is darker than the other half. Is there any tool to increase the brightness of only a single part of the display? ...
1
vote
1answer
52 views

Acting on a different display when using SSH [duplicate]

I am connecting to a Linux CentOS 2.6 computer via SSH wit the display deported on my screen (using MobaXterm). It is also possible to access to this computer "physically". However, I would like a ...
4
votes
0answers
103 views

EDID Invalid on USB DisplayLink Device

I have a Sabrent USB to HDMI adapter which is a DisplayLink device. It's recognized by udl as being a DisplayLink device, yet seems to be rejected/disabled due to having an invalid EDID: ...
1
vote
1answer
83 views

Block TTY echo to display

I have a minimal Ubuntu as a Linux server. It starts many scripts on startup that is ok but I want to disable tty1 to echo everything to display When I start this server a login promt is presented on ...
1
vote
1answer
2k views

Linux Mint 16 display resolution and monitor

I am using Linux Mint 16 and I have two questions. I am very disappointed I have needed to resort to a website to answer this, usually on Windows this would be very intuitive. The first problem is ...
0
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0answers
87 views

xrandr -o right causes black screen

I use Fedora 20 on lxde. lxrandr allows me to only choose resolution. When I run xrandr -o right it makes my screen black with just cursor visible. /root/xorg.conf.new contains: Section ...
3
votes
1answer
109 views

How to regain control of my computer?

I am running a database server on my computer. Sometimes it takes up so much memory resources that the system stop responding to keyboard and mouse inputs. Although I can move the mouse pointer and ...
0
votes
1answer
38 views

Automatized restoring of display settings

I have two displays: my laptop's main monitor, running at resolution 1366x786 and second, external, running at resolution 1920x1080. My default display setting is to use both monitors at these ...
0
votes
1answer
132 views

Open program in another terminal window windows-solaris

I am running Attachmate Reflection for UNIX and logging into my Solaris system. I then want to open a file with nedit but I get an error: NEdit: Can't open display So, I type in xhost + and ...
2
votes
1answer
74 views

screenshot only the active monitor on ubuntu/debian

I would like to do screenshots of the active monitor (the one on which my mouse is) or screenshots of always the same monitor ; and not the two monitors at the same time. Is there any command/option ...
18
votes
1answer
409 views

How do keyboard input and text output work?

Suppose I press the A key in a text editor and this inserts the character a in the document and displays it on the screen. I know the editor application isn't directly communicating with the hardware ...
1
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0answers
95 views

KMS Terminal: How to disable second screen, or how to force a certaion resolution?

I have two screens with different native resolution connected to my Gentoo/systemd machine. since the VTs try to mirror the outputs, they do not use the whole size of the higher resolution screen. I ...
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0answers
47 views

How to have X server on another graphics card which keeps refreshing when I'm working on my main display?

For presentations I want to use the external USB connected video adapter connected to the projector (especially as the standard VGA output in my laptop got damaged). My idea was to start a dedicated ...
1
vote
1answer
591 views

Is there a shutdown/restart command for x11VNC? - Linux (Debian)

I am running Linux (Debian). I recently installed the x11VNC server on my computer. I found the command to start the server is: x11vnc -display :0 I have been searching but did not find any ...
0
votes
1answer
23 views

How exactly is a Linux desktop/device/display expressed in a terminal?

My plan is to use vpxenc (video encoder) and flac (audio encoder) to record the screen/microphone, but I'm stopped short of entering the input (file) in the command line. How can I exactly address a ...
2
votes
2answers
148 views

How to detect aspect ratio of monitor?

How do you detect the aspect ratio of your monitor? I tried: root@malou-laptop:/home/liv# xrandr -q xrandr: Failed to get size of gamma for output default Screen 0: minimum 640 x 480, current 1680 x ...
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0answers
46 views

ksyts problem firing up GUI

i set my display export DISPLAY=CQIST097417W.msad.ms.com:0.0 loaded module module load syb/kerberos and kicked off ksyts ksyts but got the error : application-specific initialization failed: ...
1
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0answers
2k views

Issues with Fedora 20 and bumblebee

I'm experiencing several issues trying to use my Fedora 20 laptop NVIDIA Optimus technology. My system: ASUS N53S Fedora 20 x86-64 3.12.6-300.fc20.x86_64 Kernel Intel Core i7-2670QM NVIDIA Geforce ...
2
votes
0answers
316 views

xrandr call makes it forget about secondary display

In short I have a laptop with an external DVI display which is hooked up to its Display Port (via adapter). When I rotate the internal screen using xrandr, it will forget about the secondary display. ...
0
votes
2answers
260 views

What is the difference between DISPLAY :0 and :0.0? [duplicate]

What is the difference between DISPLAY :0 and :0.0? On RedHat 5.8, I can right click the desktop to start a shell and DISPLAY will be ":0". If I go to the Menu-System-Terminal to start a shell then ...
1
vote
1answer
59 views

Is it possible for a program to have its dedicated X display?

Can a program have its own dedicated X display, as though it can start the X display, set the screen size to match its own size and ensure that no other program can use that X display? Some VNC ...
1
vote
1answer
55 views

RHEL - GDM could not be initialized

Actions before the GDM failure I was trying to install RT tool in my system. However, the RT tool required Perl 5.10. So, I did yum remove perl to remove the existing version. While the command was ...
0
votes
1answer
106 views

How to undo DISPLAY export in linux?

I have exported my X display to another computer using this command: export DISPLAY=xxx.xxx.xxx.xxx:0.0 How can I undo it?
2
votes
1answer
660 views

Display shuts down while watching a movie after 10 minutes no matter the settings in Elementary OS

I've noticed this when trying to watch movies on that laptop running eOS. After 10 minutes or so the display is turned down. I've looked for settings against this and found the following: Power ...
4
votes
0answers
316 views

How to modify the default setting adopted by xrandr when connecting an external monitor?

I am confronted with a problem of conflict of resolutions (this is a separate question), which makes the display image distorted on both monitors. But this bothers me the most when connecting the ...
3
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0answers
2k views

Cannot use dual monitors in Elementary OS Luna - radeon driver

Once I attach the external monitor, the image on both monitors is activated but is messed up, just chaotic lines and colors, so that i cannot access the 'Displays' settings. This never happened with ...
3
votes
1answer
195 views

Unblanking a Linux Terminal Display

I am running an Ubuntu Server that boots to the console. After a long wile, the screen goes blank and I cannot type or unblank the screen. Even the caps lock / num lock do not change states. I am ...
1
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0answers
298 views

Installing graphics drivers on ubuntu

I have an Nvidia GTX260 video card and I'm using Ubuntu 12.04 x64 bit. I've been trying for hours to get StarCraft II to work with wine and PlayOnLinux. I have tried nearly everything under the sun to ...
27
votes
4answers
9k views

Can linux deal with ultra high resolution displays?

A few months ago Samsung announced the Ativ Book 9 Plus. A pretty cool ultrabook with a screen resolution of 3200 x 1800 pixels (QHD+). The device ships with Windows 8 until Windows 8.1 will be ...
3
votes
1answer
909 views

Mirror displays on Mint 15 login screen

I have the Mirror Displays enabled on my Linux Mint 15 Cinnamon 64-bit box, which has a GTX 680 graphics card installed with recommended drivers. I selected the top green one in this screenshot. ...
0
votes
3answers
158 views

Is it possible to display a graphical application on another host/user [duplicate]

We have a small linux cluster ~12 computers and a similar number of users. Is it possible for a superuser to launch a graphical application - say firefox or even a python script on another machine ...
0
votes
1answer
1k views

How to fix display error with GNOME Shell on Fedora 19?

I got the following problem: Well, just installed Fedora 19 alongside to my Debian installation. While GNOME Shell is working perfectly fine when running with Debian, there are some strange display ...
1
vote
1answer
361 views

How does the screen backlight work?

Everything about the backlight settings and controls work for me except: Backlight resets to max. on every reboot/boot. The backlight minimum goes on to complete black screen, instead of the minimum ...
2
votes
1answer
233 views

Finding screen resolutions without $DISPLAY through python or shell scripting

I am developing a personal project/idea for a headless Raspberry Pi that works without a GUI display. I am working on a text graphicsesque design. As the Raspberry Pi allows one to plug into most any ...
2
votes
3answers
600 views

How to quickly switch between displays in fedora 18

I have installed Fedora after using Windows 7. I have two screens connected to my computer: a TV and a 19" monitor. I only want one screen active at a time. I'd like to be able to switch which ...
1
vote
1answer
72 views

Splitting display among computers

If i have 17 system units (computers with monitors) that connected using network, is it possible to display image or video splitted into those computers without having split it manually? 1 2 3 4 ...
1
vote
1answer
153 views

How to let GDM shares monitor configure with GNOME?

I'm using gnome under Arch Linux in my laptop with a 1920*1080 monitor on the left of it, I set the monitor as my primary display in GNOME and everything works fine after I log in. However, GDM ...
2
votes
2answers
316 views

incorrect lines display in ssh console

I have problem with my console drawing lines. The problem is when I connect through ssh to server everything draws ok. But when I use up arrow key to show last used commands it often leaves few ...
0
votes
1answer
230 views

Half screen appears to have film on it. Acer C7 Chromebook running 13.04

Right side of the screen is not processing colors properly. Does not show up in white space but when colors deep colors occur the right side is lighter and it seems to be a bit blurry as well. I ...