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0answers
25 views

How to diagnose display issues in linux?

I have recently upgraded my system to Debian Jessie (testing) and everything went smoothly, except the occasional distortion when the screen is updating. When a part of the screen needs to update, ...
1
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0answers
23 views

2 monitors on GPU, 1 monitor on integrated graphics

I am on linux mint 17.1 cinnamon. Here is my xorg.conf: http://pastebin.com/6xCncZJ5 I can move my mouse around on the 3 monitors but can not drag the windows over the borders. Cinnamon is running in ...
1
vote
1answer
38 views

How to setup DISPLAY to run a Java JAR Swing Executable from Init.d

I need to run a Java JAR Swing GUI executable in a Raspbian Wheezy Debian distribution inside an ARM device during boot time. I am following this as reference with myapp,myapp-start.sh and ...
0
votes
4answers
95 views

Is there a Linux graphics program that displays man commands in a browser?

Is there a Linux graphics program that displays man commands in a browser? I need a program that allows me to display all man commands in a browser, or in some graphics program, so that they can be ...
0
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0answers
7 views

GDM UI screen update is jittery with Kernel 3.4 with N2600 ATOM processor

This is in continuation to my earlier post : Upgrading guidance for Cedarview driver in Debian 6 - 2.6.32 I recently updated my kernel from 2.6 to 3.4 (Just for making N2600 chipset detect my ...
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0answers
13 views

In gdb i can print a struct but not display it

When i display a struct gdb returns nothing but if i print the same thing it returns values nicely. Is there a way to have gdb display what it can print or are there restrictions about structures? ...
11
votes
2answers
746 views

What is DISPLAY=:0?

What is DISPLAY=:0 and what does it mean? It isn't a command, is it? (gnome-panel is a command.) DISPLAY=:0 gnome-panel
1
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0answers
16 views

oxmplayer is on top and blocking every other GUI application

I want to display notifications popups(osd_cat) on my screen while running oxmplayer but it seems that the latter is on top of everything and doesn't allow the notification to appear. I run the ...
0
votes
0answers
32 views

Which Linux Kernel supports a Thunderbolt display port in a PC laptop?

I recently got a PC laptop with a Thunderbolt display. I would like to install Linux but which Kernel version can support a Thunderbolt display?
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0answers
22 views

Controlling multiple displays with debian

I have installed DEBIAN 7.8 in N2600 board. "http://www.jetway.com.tw/ru/ipcboard_view.asp?productid=939&proname=NF9C-2600/2800" . On the installed system, we were trying to connect multiple ...
0
votes
2answers
32 views

How display a text for users in the entire screen

I want to display a text above the user screen(as an upper layer). I know that there is solutions like xmessages that could display the text in a box, But need it to be displayed without a box on the ...
0
votes
0answers
162 views

Bad resolution (max 1024x768) ElementaryOS (Ubuntu)

I installed Ubuntu (Elementary OS) a week ago and the resolution was always max 1024x768, but I want 1920x1080. I have searched in the internet for solutions, but I didn't find working ones. I tried ...
1
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0answers
83 views

Monitor shown as 16:10 instead of 16:9

I am using Linux Mint 17.1 Cinnamon on a Dell Latitude E6540 with a Dell U2713hm monitor, the displays are not mirrored, and arranged next to each other. The monitor has an aspect ratio of 16:9, ...
0
votes
0answers
36 views

Best way to connect to all X displays

In a C or C++ program, what is the best way to connect to all X displays on a computer? I would like to check the X idle time of each display, to determine whether the computer is idle across all ...
0
votes
0answers
30 views

GPU Memory Consumption when acting as graphics driver

I wonder what factors contribute to memory consumption of a GPU card that is used solely for graphics (say, with Ubuntu linux desktop). I assume the connected displays combined resolution, times pixel ...
2
votes
2answers
178 views

Do high-DPI screens play nicely with tiling window managers?

I'm currently using a 15" laptop which has a moderate resolution (1920x1080). The other day, I spent some time with a friend who owns a Macbook Pro Retina. Just looking at the screen made my eyes ...
3
votes
0answers
30 views

How to loop over display numbers in .xprofile?

Is there a simple command to get all the display numbers (and only the display numbers) connected to the computer? The use case is that I'd like to have separate colour profiles ...
1
vote
1answer
74 views

GUI running without $XAUTHORITY being defined, but not for root

I'm using CentOS 6, with Xfce as a desktop environment and have switched to xdm from gdm as a display manager. However, after making this change, I am observing a very strange oddity: graphical ...
0
votes
0answers
12 views

Transparent windows after forced reboot

I was playing on ZSNES, and after about 45 minutes the game froze. The computer did not react on anything except pressing the off switch and so forcing it to turn off. When I started it, right after, ...
1
vote
1answer
65 views

How to change the default driver used for an external screen

I'm having trouble setting up an external DisplayLink screen in Fedora 20. I've found someone who seems to be having exactly the same problem as me and his solution: If you are using "displaylink" ...
1
vote
0answers
51 views

Minimizing display lag. Graphics software stack? Process priority? RTOS?

I am looking to come up with a setup to minimize display lag for psycophysics and electrophysiological reaction time experiments. I'm not talking about costly graphics computations on every frame, ...
1
vote
1answer
149 views

Run an X11 program under Cygwin

How do I set the appropriate DISPLAY environment variable? I try to launch idle in cygwin using the following command: idle ...and I get a display error: _tkinter.TclError: no display name and ...
1
vote
0answers
113 views

Dual displays, one fixed, one spinning (CentOS 7)

I have 2 monitors and would like to have my setup like this: Monitor = fixed desktop (only 1) Monitor = dynamic, spinning desktop (1+) It was working like this at the beginning but somehow I ...
1
vote
1answer
144 views

Blank matlab code tooltips in Gnome 3, Debian Jessie

In the picture is shown what works and what doesnt work (also doesnt work for warning descriptions in the code). Current version Gnome 3.14.1. I tried to change window style settings with ...
0
votes
0answers
142 views

How to make switching virtual terminals instant?

I've configured kdm (editing /usr/share/config/kdm/kdmrc) to automatically open two displays: StaticServers=:0,:1. When I switch between them with Ctrl+Alt+F7-8 there is a delay of about 2 seconds ...
0
votes
1answer
372 views

Installing netbeans on Scientific Linux- NoClassDefFoundError thrown from the UncaughtExceptionHandler in thread “main”

I'm installing netbeans 8.0.1 on Scientific Linux. I have executed the installer .sh but I get the error: java.lang.NoClassDefFoundError thrown from the UncaughtExceptionHandler in thread "main" ...
2
votes
1answer
74 views

How to determine which displays are enabled/disabled

I am able to enable or disable my LVDS display using xrandr --output LVDS --auto xrandr --output LVDS --off respectively, but how can I programmatically determine whether the display is enabled? ...
1
vote
1answer
39 views

Is possible to change X server without kill client? [duplicate]

My usecase: User opertes on Server1 station. He can use ssh or whatever to connect with Remote Station and start some application on it and display it on his station (Server1). Now user has to change ...
3
votes
0answers
569 views

Google Hangouts with dual monitor and GNOME Shell

I have a laptop with a built-in screen and an attached monitor. When I start a Google's video Hangout and share my desktop, I would like to be able to share only the attached screen, but I don't know ...
3
votes
0answers
106 views

Prevent dom0 IGP from being VGA-passed-through to HVM host with Xen4.4

Usually people want to VGA-passthrough their IGP, and there are a lot of documentation out there. However I don't want my IGP passed-through to the domU as it serves my dom0, only my secondary card ...
0
votes
1answer
705 views

unable to open X server with ImageMagick Mac osx

I am trying to display an image using the following: Display someimage.jpeg It returns this: display: unable to open X server `' @ error/display.c/DisplayImageCommand/426. I have been looking at ...
0
votes
0answers
44 views

Driver install fixes gnome on old laptop but Ice Weasel hangs the desktop

I installed Wheezy on an old laptop with a Quadro4 go700 video card in it. Gnome did not like it and the display was corrupted. Therefore, I disabled the Nouveau driver, downloaded the Nvidia Linux ...
0
votes
1answer
59 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
78 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
votes
0answers
73 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
132 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
282 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 ...
1
vote
0answers
322 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
156 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
320 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
1k 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
1k 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
858 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
26 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
64 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
271 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: ...
2
votes
1answer
150 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
7k 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 ...
3
votes
1answer
165 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
72 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 ...