Ubuntu Networking :: VNC And Dual Head Setup (separate X Screens)?
Jan 2, 2011
I have my computer set up to use separate x screens for both of my monitors and almost everything works perfectly. With this set up I don't have any problem displaying flash in full screen on either monitor like I had with twinview. I have it set up this way so that I can use my TV to display mythtv and still use my computer monitor to browse the web, etc. The only problem is that I use my iphone with hipporemote to give me a wireless keyboard/mouse. When using twinview this was not a problem as it was just one large desktop spread over two monitors.
However, switching to separate x screens seems to have broken the functionality of the vnc server. When using my physical keyboard and mouse I can just move the cursor off the side of monitor 1 to control monitor 2, however, if I'm connected via vnc the cursor gets "trapped" inside the active monitor. I can interact with each screen as expected but if I want to switch the mouse/keyboard focus to the other monitor I have to go to the computer and move the mouse to the desired monitor, which obviously defeats the purpose of using the iphone as a wireless remote.
So my question is this. Is there a way to assign a hotkey combination to switch the focus of keyboard and mouse that the vnc server is controlling? Or could I set the vnc server to only control one of the two x screens?
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Jun 14, 2010
I am trying out conky for the first time and rather enjoying it. I have a small frustration though. I have a dual head setup and would like to have identical conky's showing on both monitors. I have tried creating two .conkyrc's (.conkyrc1 & .conkyrc2) and then using:-
Code:
$ conky -c config1
$ conky -c config2
to launch them, this results in only one of the two conky's displaying. I did at first think that maybe they were on top of eachother, but one conkyrc is set bottom_left, the other bottom_right so they should not be right??
When I try to run them as above terminal shows:-
Code:
gregg@burt:~$ conky -c config1
Conky: invalid configuration file 'config1'
Conky: invalid num arg for top. Must be between 1 and 10.
Conky: invalid num arg for top. Must be between 1 and 10.
Conky: invalid num arg for top. Must be between 1 and 10.
Conky: invalid num arg for top. Must be between 1 and 10.
Conky: invalid num arg for top. Must be between 1 and 10.
Conky: invalid num arg for top. Must be between 1 and 10.
Conky: forked to background, pid is 7017 .....
#NETWORK
${font Sans:size=9:weight=bold}${color grey}NETWORK ${hr 2}$color${font Sans:size=8:weight=bold}
${color grey} DOWNLOAD UPLOAD
${downspeedgraph eth0 30,115 000000 00ff00} ${alignr}${upspeedgraph eth0 30,115 000000 ff0000}$color
Processes 8 & 9 do not appear in my conky, just blank space between 7 & 10?? Also, the swap %age displays 'No swap%'?
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Feb 16, 2011
I'm using gnome in a dual-head setup with individual desktops. Is there any way to "jump" to another monitor using the keyboard only? Now the only method I know is to move the mouse pointer to the another screen and click on something there. Can I do something like that without using the mouse?
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Feb 26, 2011
I was successful in getting the ATI catalyst software to set the displays to maximum resolution. The second display is dark. It shows a white "X" cursor if I move the mouse to the second screen. The KDE desktop configuration manager does not recognize the second monitor.
Here is the output of: cat /etc/X11/xorg.conf
Section "ServerLayout"
Identifier "aticonfig Layout"
Screen 0 "aticonfig-Screen[0]-0" 0 0
Screen "aticonfig-Screen[0]-1" 1920 0
[Code].....
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May 6, 2011
I did set up dual monitors few times on few of my boxes, with 3 video cards :
Radeon 9250 AGP (have 2 of them) - with open source ATI driver
Geforce 6200 PCIE - with nouveau driver
In all cases I connect 2 LCDs. one 1440x900 or 1680x1050 to DVI and one 1280x1024 to VGA (all the cards have DVI and VGA out). The LCDs are the same ones tested with all cards :
1440x900 : Benq FP-92W
1680x1050 : Teac T2005L15 (identified as KTC2002 in xorg)
1280x1024 : Proview PQ-721KP
Tried on different boxes runnning Arch linux, different kernel / x / drivers / kde versions
Problem is - in all those setups, one monitor allways randomly blanks for a split second and comes back (incl. switching of the backlight, and displaying the "Source : VGA" or "Source : DVI" title as if it was switched off and on)
This happens randomly, but (more pronounced with the ATI cards) related to me clicking on stuff or the display changing (even if the changes are on the second screen)
With the Radeons only the monitor connected to DVI blanks. And the 2 radeons do it in different frequency, one is more often and one less
With the Geforce only the monitor connected to VGA blanks
When I test with 1 monitor (other one disabled in xorg) : Radeons sometimes still do that to DVI monitor but rare (much less than with VGA connected) (VGA monitor never blanks). Geforce does not do it at all and has problem only when 2 monitors are connected
I first thought its a hardware issue (the cards are from junk), but it happens the same with totally different hardware (exceps using same monitors) so i no longer think it is
There is nothing interesting in Xorg.0.log
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Jan 30, 2010
I want to buy a laptop with gma 4500hd WHAT I WANT IS
1. 2D AND 3D full support eg compiz, full functional kde4+effects (not to be slow)
2. full hd support
3. oss driver
4. ability for dual head monitor setup
searching in google find out that as fa as it concern the dual head setup there is a limitation on virtual desktop for older gma cards
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Feb 18, 2010
I've played around with a second monitor, but so far I haven't found a satisfying solution. I am using a laptop with a GeForce 9600M GS graphics card. I have managed to set up twinview, but my monitors don't have the same height so I'd rather have something like the "seperate x screen" option. Or how I imagine that option would be like. After some problems with the nvidia configuration tool (I couldn't change the xorg.conf, until I read this: [URL] I now have two separate screens, but the second one is all empty, with black background and X-shaped mouse cursor.
There seems to be no window manager running, I can start programs there with -display :0.1 , but they don't get any frame decoration and, which is worse, no keyboard focus. I'd be fine with a fullscreen konsole there, so I don't really need a window manager, but I do need access from the keyboard. I'd prefer a setup that would allow me to easily (without editing xorg.conf) switch between using both monitors and using only one, because I don't always use the laptop at home.
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Feb 24, 2010
I've had 8.04 for almost a year & a half now, but the one thing that seems to confuse me after getting the rest of ubuntu is how to get wifi working. Before you say "read XXX FAQ, wiki, page", etc, I've read so many and despite understanding every normal thing about ubuntu, and all the customization I have, I haven't seen a single, up-to-date guide for making sense of wifi.
Here's what I know:
My wireless card is Network controller: Intel Corporation PRO/Wireless 2915ABG Network Connection (rev 05), supported in linux only by using a windows driver, ipw2200, which I do have running and installed somehow.
Code:
shogun@Valhalla:~$ sudo lsmod | grep ipw2200
[sudo] password for shogun:
ipw2200 146248 0
ieee80211 35528 1 ipw2200
I also realized I needed ndiswrapper, so I installed that. Beyond this, I'll just admit it- I'm very confused. I have always had a working connection over ethernet cable plugged in, but I really need wireless lately, and found an old Netgear WGR614v7 G band wireless rounter in my basement, hooked it up, and have a wired connection from it right now.
So how do I set-up/get my wireless working with all this thus far? How do I set up the router's network through Ubuntu as well, so I can create a named network to connect to? I'm reading every guide I can, and am just coming up more confused.
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Apr 20, 2011
I am running Slackware X68_64 and I just purchased a second monitor. I enable separate x screens with nvidia-settings and when I reboot I get a black screen and when I put my mouse over to the secondary monitor I get X for the mouse pointer. Than after a while it just blacks out.
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Sep 16, 2010
I use a laptop, and frequently plug in to a separate monitor or to a TV screen. I have it set up to to separate X screens. When using my laptop touchpad, I find that once I move to the other monitor or TV screen, I can't return back to my laptop monitor. My USB mouse, however, is able to transition from screen to screen with no problem. I am using ubuntu 10.04 but had the same problem with 8.04 before I upgraded. I have an NVIDIA graphics card, and use the nvidia-settings (which generates the xorg.conf file) to manage the screens. Here is my xorg.conf:
Code:
# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings: version 1.0 (buildd@crested) Sun Feb 1 20:25:37 UTC 2009
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig: version 1.0 (buildmeister@builder58) Fri Aug 14 18:33:37 PDT 2009
[Code]...
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Jun 19, 2010
I just installed lucid on my laptop with a second screen. Unfortunately, I cannot display any video. Neither on the laptop screen nor on the second external screen. In contrast, rebooting without attaching the external screen allows me to display videos again.
I never experienced this kind of behavior with Ubuntu 9.10.
Graphic card: Intel 945
Let me know if you need further information.
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Jul 16, 2010
I've just performed a fresh installation of openSUSE 11.3. System specs include GA-MA790X-DS4, PhenomII X4 940 AM2+, Sapphire RadeonHD 3670, two monitors. What I'm trying to accomplish is to set up my KDE desktop to (as it did under 11.2) use a multi-desktop multi-output non-cloned setup, so that I can use my two monitors side by side and maximize windows in either one respectively, etc.
So here I am with my newly installed system. Obviously I can't use fglrx, as it doesn't yet support the 2.6.34 kernel, so amdcccle is right out. SaX2, I notice, is gone. I have tried using KDE's built-in configuration tools, but the dual-head setup doesn't persist between logins. Strangely, windows that were open on the second monitor do vanish off-screen, but the monitors return to their overlapped positions so it's useless. Monitor 2 doesn't even retain its resolution setting. As one does, I decided I'd manually edit the X configuration file. SHOCK HORROR! No xorg.conf So what I'm driving at is this: How oh how do I configure my X.org to remember that it has two, quite different, monitors under openSUSE 11.3 ? Sorry if this post is hard to follow, I got very little sleep while trying to sort out the myriad problems I caused myself in upgrading.
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Jun 14, 2011
I'm building another desktop. This is not a gaming system (though some video does cross my path), it's primary focus is as an application development platform. The thing is based on a SuperMicro two CPU motherboard with a couple intel multi-cores, 16GB RAM, a hardware RAID, and CentOS 5.6 (64bit). To this mix I would like to add a solid dual-head graphics card. Something that will support a couple HP LP2465 monitors (not new but functioning well). Speed of rendering is not my biggest concern, stability and "real estate" (the monitors are 1920x1200 and I want all of it).
I've looked a little at the Matrox items and started researching nVidia, but would like to hear opinions from those "in the know".The motherboard, though a solid performer, may have just made this trip unnecessary. It has a quirk that I hadn't considered before. It has several PCI-X slots (64-bit @ 133MHz) but only one "PCI-Express 1 (x8) on a (x16) slot". Does that seem a little strange to anyone else? Not that there is just one PCI-E but that it will fit a x16 board but will only support x8 connections...
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Jan 28, 2010
I'm looking at the 2009 apple mac mini ([URL]and wondering if anyone has gotten dual head working? I'm putting two 17" or 19" monitors on, so nothing too adventurous. I know that I'll require the "Mini-DisplayPort-to-DVI" to get Dual DVI Adpaters, but I wanted to confirm that dual head would be supported from the start. I'm aware that there are issues with rebooting the device, possibly as a result of the wireless drivers. That doesn't bother me. Dual-head is a requirement I intend installing 9.10 and dual booting macos for firmware updates.
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Jun 22, 2011
In this particular example I am using NoMachine's NX, although the behaviour also occurs when running VNC for instance. I'd like to connect from my laptop (1 physical screen), to my desktop at work (2 physical screen) via NX. It all works but the following problem occurs: When I connect with my laptop to my desktop I (almost) always am connected to the 2nd physical screen, whereas all windows appear on this first screen. I can interact with my desktop, use the task manager etc, see which windows are running, but any application I start, starts on the first screen (which I cannot see) and for the life of me I cannot move them from screen1 to screen2 without dragging them (which obviously is impossible since I only see screen2).The obvious workaround is: *before* you connect disable the second screen via the display manager but for me this is a non-pratical work around because it requires a lot of actions before heading home. how I can connect from a single-head desktop to a dual-head desktop without crippeling my desktop experience?
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Nov 2, 2010
I need help to run dual head (extended mode) on top of the followings.
1. RHEL 4.2
2. graphic card in Intel 945GM chipset
Anyone to guide me the driver and the configuration I should use.
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Oct 15, 2010
I have an Nvidia card that supports two monitors. Actually I have it setup. The problem I am having is I want to turn one of my monitors sideways so I can read forms easier. I can do this with just one monitor. RandR works fine with that. But it seems that when the system makes the two monitors into one long one it will not allow me to tweak the rotation in RandR.
Is there something I am missing. I deal with a lot of contracts and forms. And when I am reading them I hate scrolling. So I thought this could be an option. I have searched the net for 6 hours now. Maybe I do not know what I should be searching for.
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May 9, 2010
Is this possible? I have 2 screens and I'd like to see if I can use the same panel on both sides.
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Jun 3, 2010
I was wondering when and/or how to get multiple screens setup and working in unison. Currently I have 3d rendering working but all of my screens work as separate desktops. They all have their own start menu and panel bar. I cannot move a window from screen to screen. I have to open a new window in that screen and then it is stuck on that screen and can not be move any where else. When is this going to be fixed because until it is unfortunately Micro Slop will still have my business. I am a power user and enjoy my 4 screens when they work in unison, not as individuals.
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May 9, 2010
Upon upgrading to Lucid from Karmic, my dual head setup doesn't work anymore with the new 2.6.32 kernel. In the previous kernel 2.6.31, everything works as expected (also when I boot Lucid with that kernel). On 2.6.32, the only thing I get is two clones. Is there some new type of configuration required that I missed or should I still compile some new kernel module???
My card:
Code:
rogier@rogier-desktop:~$ lspci |grep VGA
01:00.0 VGA compatible controller: ATI Technologies Inc Radeon RV250 If [Radeon 9000] (rev 01)
My xorg.conf, which worked fine on Karmic:
Code:
Section "Monitor"
[Code]...
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May 14, 2010
I use Ubuntu Netbook Remix, and I've installed Lucid over Karmic. (Not an upgrade process, because I didn't have enough space on my primary drive.) I have an Acer AL1511 LCD screen attached as a second screen - ie dual head. All that works fine. However....
I rely on xcalib from Stefan Doehla to invert my screen gamma ramps, ie turn them to white text on black backgrounds. This worked perfectly, just using
xcalib -i -alter
but now, xcalib only inverts the netbook screen. The second screen remains stubbornly unaffected.
Since xcalib has not changed, and it works on one screen, maybe something changed between Karmic and Lucid.
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Jul 18, 2010
I use multiple screens on my computer in work which is running Ubuntu 10.04 it runs great apart from the VBox VM. I run a windows VM as some apps we use in the office are not compatible with ubuntu and I can't get them running right in wine. In single screen mode I use the VM in 'seamless' mode so the windows start menu just sits on top of the ubuntu panel and I can flip from ubuntu to windows as I please in the same interface (im sure anyone that uses VBox will understand what I mean).
The problem comes when I use a second screen. If I try to run in seamless mode on the main screen it works ok apart from the fact that the windows start menu sits behind the ubuntu panel instead of on top of it. When I move the VM to the second screen I cannot run it in seamless mode at all, if I try the resolution goes hay wire and I only get half the screen (if im lucky). So I just run it in full screen mode which stops me from dragging windows from within the windows VM back to the first screen.
What I want to be able to accomplish is to run the VM in seamless mode on either screen but be able to drag windows accross both screens. Is that at all possible?
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May 20, 2010
Can any recommend a PCIe video card for my AMD64 box?Looking for one which basically has a good working driver:
- can do dual head using DVI and VGA output.
- open source preferably, I've used the nvidia proprietary one before, was fine but kernel upgrades became a pain.
- passive heatsink so it's silent, doesn't need to be a fast card since my other two were both onboard graphics.
- driver can do KMS for nifty high res console.
- most typical features work, so Mplayer plays nicely and can scale to full screen etc. (xv output +/- accelerated decoding)
- even a bit of light 3D for openarena or compiz would be nice.
- don't mind buying second hand if they aren't available new
I've had a Nvidia 7050 on board which was ok, fast enough, but upgrading with the proprietary driver became painful, and that motherboard is dying a flaky death.
- The nouveau driver looked promising, but wasn't really in Debian at that stage. But I did once accidently boot a high res console while testing a brand new kernel (2.6.31 I think) and was blown away Currently got an ATI RS880 [Radeon HD 4200] on board which is fine, 2D is fast enough, but the open source driver isn't finished yet. It can't do dual head (horrible distortion and crashes), can't suspend to ram (freezes), Xvideo and any form of 3D acceleration are missing.
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Jun 1, 2011
I'm getting used to gnome3 one thing still bugs me- why when I switch workspaces on my multiple monitor machine does only the primary monitor change to a different workspace? The secondary monitor (my laptop screen) shows all open windows I put on it plus it's not even shown in the workspace list.
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Oct 6, 2010
I have two identical Samsung monitors. One is connected. to my motherboard VGA port (and appears as a Radeon HD 4200).The other is connected to a VGA port on a separate PCI Radeon 9200 PRO board. When I first installed Suse 11.3, I had to go through the nomodeset boot command (otherwise my system froze up on boot) and I only get video on the screen connected to the motherboard. The other monitor light. flashes which means it's not seeing a video signal. And, I do not have an xorg.conf file in /etc/X11.
So I did the following:
I did an Xorg -config which created an xorg.conf.new file which looked sensible in that it showed both Radeons, and appeared to set up a dual-head system. The only change I made was to change the driver for both controllers from radeon to radeonhd. Then, I copied xorg.conf.new to /etc/X11/xorg.conf and rebooted. And, nothing is changed. I still need to do nomodeset on boot and I still only get video on the screen connected to the motherboard. I'd attach the xorg.conf and Xorg.0.log files, but it says I can't add attachments to this post. I don't see any major errors in the Xorg.0.log file, but a lot of it is greek to me.
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Feb 3, 2011
I have two Ubuntu 10.4 machines (and Ubuntu continues to hide more and more xorg.conf config such that I no longer know where to find it). One is a laptop running dual headed - DP1 is the internal screen, and VGA1 is an external monitor; both are running at 1600x900. The other machine is a desktop running both VGA1 and HDMI1 (which is actually a display port with a DVI adapter) at 1600x900. So in both instances my desktop is 3200x900. I run a VNC server on the laptop and connect to it (via SSH tunnel) from the desktop - when I press the full screen hot key, I get a 1600x900 view of the remote machine on one monitor, and half of my local desktop on the other monitor - the "full screen" only expands to fill one local monitor.
Normally this is exactly what you want when you full screen a web browser, email client, or other application. I'm sure there's some X magic to make it clear what a full screen actually entails, and the vnc client application is just dutifully accepting what it's told. While I would like to keep the normal full screen behavior for regular applications, but when I'm VNCing to another 3200x900 machine, I'd really like full screen to stretch across both local displays. Resizing the window to be "close" isn't quite good enough since I still have local panels at the top and bottom of one display (though I can set them to autohide), plus the VNC client application window border (since it doesn't appear to respect -notitle).
Is there any good way to have X lie to a single application about the "full screen" size? Can I get it to lie to all applications? xrandr --noprimary appears to have no effect.
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Jun 5, 2009
I am running CentOs 5.3 x86_64 on a Dell Latitude E6400 and can't get dual head to work.
My graphics card(s) are Intel Mobile 4 integrated (one in the laptop, one in the docking station)
My displays are two Dell 2208 WFP
I run the "Display settings" GUI and select "Dual head", "Spanning desktops" with the right card & monitor.
When I restart X it fails to start with stack trace in the /var/log/Xorg.0.log file (full log attached)
Backtrace:
My /etc/X11/xorg.conf is below.
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Jul 8, 2009
When I try to run the 'system-config-display' program for Fedora 11 and I use the dual head tab, attempting to save the settings results in this:
Traceback (most recent call last):
File "/usr/share/system-config-display/xConfigDialog.py", line 212, in ok
if card.getDescription() == self.secondVideocardOptionMenu.get_menu().get_acti ve().get_data("NAME"):
AttributeError: 'NoneType' object has no attribute 'get_data'
And it won't save the data.
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May 26, 2010
I've got a "little" problem with fedora 13: dual head with nouveau is not working. gnome-display-properties recognizes two displays and i can configure it (left, right, mirroring, ...) but first display is always in standby. Seems it doesn't get a signal from graphics controller. Desktop seems to work fine (can move the mouse pointer on the other screen into "the black hole"). I use Fedora 13 x86_64.
[Code]....
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Jun 18, 2010
I've been troubleshooting a friends computer and we've pretty well hit a brick wall. The issue at hand is the video card will not output properly. To be specific, it's an NVidia card with both DVI and VGA ports. We want it to output via the VGA and ignore the DVI because there's nothing plugged in there (the monitor we want to use doesn't support DVI). At any rate, the only time we can get the VGA to work is when we have another monitor plugged into the DVI port and dual head the system. When we do this it also adds an extra "Unknown Monitor" to the display panel. When we just use the DVI the extra "monitor" disappears. now we don't want to have monitor sitting here useless just so we can use the vga out, but there seems little else to do. We tried installing the Nvidia proprietary drivers through the software manager and yum and it failed both ways.
This is really frustrating because it seems like it should be such a simple thing but nothing works. Does anyone else have similar issues? is there something i can do to fix this? I apologize if i've not provided enough info, but ask and i'll post anything you need to diagnose.
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