Red Hat :: VNC Start Without A Monitor Attached?
Apr 28, 2010
I'm fairly new to RHEL but my boss has asked me to set him up a machine with RHEL 5.3 for some performance testing. He wants to access via VNC which isn't a problem as I've got that sorted.Problem is, the PC is sitting in the computer room with just the power and lan connections, no monitor etc. When I boot the PC with a monitor attached you can VNC into the server, but if I boot it without a monitor attached, VNC doesn't work?Any ideas how to get it so it always works when a monitor is not attached?[URL]
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Apr 30, 2010
I have an Ubuntu Linux 10.04 installation which I would like to use via remote desktop. Everything works perfectly if I start the computer with a monitor attached. If I do not, X fails to start because it cannot find any screens.
How can I force X to start up without a monitor attached?
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May 1, 2010
I just upgraded to Ubuntu 10.04 yesterday on a headless home server. I use the server for a variety of purposes, and what I don't know how to do via SSH I've alway been able to do through VNC. However, since the upgrade vino-server will no longer run if there isn't a monitor attached. Before it used to start up without a problem. Even by attempting to run the server via SSH gives me a "could not load display" error. Summary: I need to get vino-server running at boot time on a server with Ubuntu 10.04, without a monitor attached.
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Jan 10, 2011
I have bought a new motherboard (MSI 785GT-E63). I already have an old CRT monitor connected to it. After I install a linux OS to it, my monitor will display that it is:
Out of frequency.
Current frequency is 89Hz. The
operating output of my monitor is
(around) 60-70Hz.
I would like to get this thing work. How can I let my CRT display properly?I was thinking of lowering down video frequency output of my motherboard, but I can't find any settings on my BIOS setup. Additional info:
My monitor is attached directly to
the built-in video adaptor of my
motherboard. (No additional video
[code]....
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Mar 11, 2010
I'm running Fedora 11 GNOME as a server and I do not want to attach a keyboard, mouse or monitor. I will be shutting down the server at night to save electricity. But, I noticed that when I start up the system the next morning, the auto-login won't work until a monitor is attached. how to get the server to automatically log itself in without monitor attachment? I'm going to use the server to access my fileS remotely through Samba (which I can still do). But, I also want to have VNC functionality so I can remote desktop in to the system at will. I can access my files ok through Samba without the computer logging itself in, but I can't remote desktop in with VNC.
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Jul 10, 2011
since upgrading the squeeze kernel from 2.6.26-2-686 to 2.6.32-5-686 Iīve been unable to boot my HP D510S/845G without attached monitor. As this computer serves as router and print/faxserver, there is/was neither a monitor nor a keyboard/mouse attached. With monitor everything works fine, without monitor the computer hangs somewhere. Unfortunately it hangs without logging anything in /var/log.
Reinstalling xorg and xserver-xorg didnīt change anything, neither was the new xorg.conf from dpkg-reconfigure -phigh xserver-xorg of any use. (After booting with attached monitor I disconnected the monitor and ran dpkg-reconfigure) Maybe disabling Xorg would solve the problem, but I want to be able to log in via vnc and use a GUI - for example to configure mythtv. Up to the kernel-update everything was working fine, so I think some changes to the new kernel are responsible. how to fix it or how to start logging earlier in the boot process?
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Jun 2, 2010
I've put a fresh install of Fedora 13 x86_64 on my new server and I have it automatically log in to the gnome desktop so I can control it via VNC. However this only happens when there is a monitor physically connected when the computer boots. If there is no monitor present at boot time, there is no graphical session started, however I want it to start whether or not a monitor is present.
My hardware is a Zotac IONITX-G-E board (which has an Atom N330 and a NVidia ion chipset of some description). I'm using the Fedora default graphics driver (nouveau). Why doesn't it start a graphical session with no monitor, and is there any way to get Fedora to start one whether or not there is a monitor connected?
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May 14, 2010
I can''t make the machine booth when a monitor is NOT attached to the machine. The PC seems to get past the P.O.S.T with minimal HDD activity, and then it simply hangs there, doing nothing. I know Linux is not booted because the HDD flashes briefly only 3-4 times and then absolutely nothing. When a monitor is attached, everything works perfectly.
I read somewhere that this happend when GRUB tries to display graphics, so I edited the menu.lst and removed the graphics line within it, which causes GRUB to display a B/W clear-text boot-menu (when a monitor is attached), but the machine still won't boot with no monitor. I also edited inittab to boot to level 3, same outcome.
More Info:
HW. FIC ION A603
~Welcome to First International Computer, Inc.~
OpenSuse 11.2 - Almost default install
Added SW: VNC and Squid (both active on Init 3 and 5
Boot Loader: GRUB
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Mar 3, 2010
It has no monitor attached, I'm accessing it graphically through vnc4server.It has no graphics card, and I want to get OpenGL to work on it, using software rendering.Right now, when I try to run glxgears, I get this.
Code:
Xlib: extension "GLX" missing on display ":1.0".
Error: couldn't get an RGB, Double-buffered visual
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Aug 11, 2010
I am using ATI HD3200 graphics card, and running Ubuntu 10.04 Lucid on a laptop. It have VGA port so I can attach external LCD monitor to the laptop. I am using fglrx driver.
My question is how should I configure the xorg.conf file so that when I attached external monitor, the GNOME menu bar (Applications, Places and System, etc) will be put on the external monitor instead of laptop LCD monitor.
I have checked varies web resource that saying you can drag and drop the GNOME menu bar to the new screen, it never worked. Someone also suggested to add new bar into the screen and GNOME will remember it, I can't even find the option to do that.
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Jul 25, 2010
I am running a server that is mostly headless, but does run the Gnome environment (I have ubuntu-desktop installed). I usually administer it via VNC over SSH. My problem is that when I reboot the system over SSH, the system fails to fully load the GUI, which prevents me from connecting via VNC (although SSH still works).
When I connected a monitor and rebooted, the system booted up fine. It appears that the GUI will not load without an attached monitor, which never happened before in previous Ubuntu versions. I do use many commands but prefer a GUI for certain tasks and visualization of my work since my system has the resources to spare. Running Lucid Lynx
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Jul 21, 2010
I had installed Ubuntu 10.04 onto an external hard drive connected by USB to my laptop:
sdd partition
Windoze still resides on the box's internal hard drive:
sda2 partition
I also partitioned the internal hard drive so that I have a repository where my documents etc can be accessed by either linux or windoze:
sda3 partition (FAT32) I'm assuming that Grub is on the external drive somewhere - as is probably now the Windoze MBR. I'd like to be able to give my wife the ability to start the box (and boot into Windoze) when the external drive is not attached (so that she doesn't have to take the latter with her when she needs to be mobile with the computer). What do I need to do to move grub and the MBR back onto the laptop's internal drive? Or, I suppose: What do I need to do to obtain the functionality that I'm looking for? I'm getting somewhat more comfortable with the command line but, I still need a bit of hand-holding
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Jun 17, 2010
I start the pc then it comes the Normal Start Ubuntu page, where you can log by the username and password. I insert them then the monitor became black and then it comes again the ubuntu log page. I tried to remove the nvidia driver but the only thing that change is that now ubuntu starts in Reduce Graphic Modality
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Feb 9, 2010
I think I have caused a big problem with my laptop running Ubuntu 9.04, and I now can't get it to load up properly at all. It was when I was trying to change the screen resolution of my external monitor.
I'll try to recall exactly what I did...
I connected the external monitor and then turned the laptop on. The laptop worked fine, and the external monitor worked fine. The only problem was that the resolution on the external monitor was poor (it was the same resolution as on the laptop screen).
I went to system>preferences>Display
I removed the tick from mirror screens
Then I selected the external monitor and changed its resolution to the maximum setting. At this point a message popped up, but now I can't remember exactly what it said - I just clicked OK.
Both screens went all black, and I couldn't undo whatever I'd done.
I've now tried switching the computer off again and on again. If the external monitor is NOT connected when I switch the computer on then the laptop doesn't load up - I get the little Ubuntu symbol to start with, but then the screen just goes black.
If the external monitor IS connected then it takes me to the screen where I get to choose which OS to boot. If I boot normally then I see the ubuntu symbol and then it goes black. If I choose recovery mode then it does some recovery and then it takes me to a command line. So I can see all of my files.
Sometimes it does something different when I switch it on and an error message appears on the laptop screen. But the screen is so fuzzy that I can't see what it says. I click on OK (I guess it says OK...) and it takes me to another error message - but I can't seem to get any further.
So that's the problem. If anyone can help me I will be very grateful. I'm actually not that intested in getting the external monitor to work - it's much more important that I undo whatever change I've made so that the laptop works properly again.
I think the important thing is that I can get to the command line, so I should be able to make any necessary change there.
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May 11, 2010
The computer is used as a server and I connect remotely on it with VNC. It has no monitor. It was working fine until I upgraded to Lucid. Now, it only works with a basic vesa driver (800x600 max res). The log says:
NVIDIA(0): No display devices found for this X screen.
Screen(s) found, but none have a usable configuration.
If I plug a monitor, it work fines. Is there a way to disable monitor detection?
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Feb 27, 2010
I have a Lenovo 3000 N100 laptop which LCD does not work anymore.So I borrowed a monitor from my friend and started using it(it has been few days).I had installed Fedora-12 few months ago. After connecting the external monitor, I found that this one shows good graphical start-up but just upto the login screen(just before the login screen, login-screen does not come) and it proceeds no more.Though I can get the virtual consoles restarting xserver is of no use.
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Feb 27, 2010
I have a Lenovo 3000 N100 laptop which LCD does not work anymore.So I borrowed a monitor from my friend and started using it(it has been few days).I had installed Fedora-12 few months ago. After connecting the external monitor, I found that this one shows good graphical start-up but just upto the login screen(just before the login screen, login-screen does not come) and it proceeds no more.Though I can get the virtual consoles restarting xserver is of no use
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Mar 15, 2010
I am on ubuntu 9.04. I have nVidia 8500GT and I installed Warsow 0.5 today.When I start the game my monitor goes black with a message "Out Of Range"I can only hear the music.I tried hitting a few keys here and there and I could also hear the tutorial start.
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May 13, 2010
the problem is: my monitor turns off when I want to install ubuntu! t's really pissing me off right now.Explanation:right now, I'm using Ubuntu 9.10, and I want to installUbuntu 10.04, so I made a bootable usb, and i booted my computeron this usb. so far, there's nothing going wrong. First, I had to select a language for Ubuntu, so I did that.After that, I had to choose want i want to do with ubuntu,so I selected (of course) "install Ubuntu".Then i got the loading screen, and after a short time,suddenly my monitor turns off
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Feb 11, 2009
I have fedora 10 installed and when my monitor is turned off the X session fails to start because it can not probe for settings. Is there a way to hard code the settings for x instead of letting them assign dynamically on boot?
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Jan 23, 2010
I use 2 monitors under Ubuntu 9.10, but I have them set up in a unique way. The primary (CRT) faces me on my desk, but the other (widescreen LCD) is turned away from me, because I use it only to watch movies from my couch. My video card is an Nvidia GeForce 9800 GTX+, using the proprietary Nvidia driver package, with Xinerama turned on, so the desktop extends across both displays. Given that setup, is there any way to control which display applications open upon? Several apps have started opening on one display or the other, seemingly at random. Further, some apps start on the primary display, but open their subwindows on the secondary display. It's very annoying, because I can't see the second screen, so I can't drag the windows back to the primary desktop.
I would also like to have VLC Media Player (or any other app) always open on the secondary screen, on purpose. I almost never watch movies sitting at my desk, but rather from the couch. I placed a VLC launcher icon on the secondary screen, but when started it opens on the primary display. (If you're wondering how I can click on anything from my couch, I have a wireless mouse there in addition to the wired mouse at my desk. It's my "remote" since I don't have a TV. Xorg will quite happily support 2 or more mice simultaneously, I discovered.)
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Jun 18, 2010
I have a system I use as a file server running Ubuntu 10.04. I don't have a screen hooked up to this system. When this system reboots, if there is no screen, X wont start on it. This then prevents me from using VNC to get to the desktop.If a monitor is plugged in at the time it boots, then everything works, and I can then remove the monitor. But moving this monitor between computers and crawling under desks is not enjoyable.How can I fix this so X starts on boot even when no monitor is plugged in?The error I get in /var/log/Xorg.log* looks like this:
grep -EnC2 "EE|WW|fatal|error" /var/log/Xorg.0.log
...
331- (II) Primary Device is: PCI 01@00:00:0
[code]...
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Oct 12, 2010
I was thinking to do my music producing completely on linux and found a plethora of good tools for it. The thing is I have two monitors and instead of launching manually every little app each time I feel creative, I want to make a script that launches all my favorite apps.
So long I have written this little bash script:
Code:
#!/bin/bash
#Start my audio programs for music production
(qjackctl --start)&
(hydrogen --nosplash)&
sleep 1
ardour2
So what it does is that it starts the jack server, then hydrogen and lastly ardour2. The thing is that I want hydrogen to start in the second monitor but don't know how. I have devilspie but I didn't have any luck on finding some command to choose display. I am aware of the --display flag that some programs have like firefox but hydrogen doesn't have it. Btw I use a different X server on each screen. is there a universal way to launch ANY kind of program on a specific display?
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Jul 19, 2011
I have an old computer (Pentium 4) without a monitor. To make the most of it I installed Ubuntu server on it and have been using it for almost a year. A couple of months ago I don't really recall what I did but since then it doesn't start-up unless a monitor was plugged in.
I've tried pinging it but it doesn't respond when no monitor is plugged in. meaning it's not even booting correctly.
I'd like to know what the problem is and how to fix it. And I'd really appreciate any help in diagnosing the problem. I just don't know where to start.
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Dec 28, 2014
I upgraded to jessie today and I am having problems with my background. When I log in, the background tries to start on the external monitor but then it fails to load. I can change the background in settings but it does not show up. The background just becomes black and I am not sure why.
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May 18, 2010
I have 2 desktop PC's both running 10.4, both connect to internet thro a wireless router. One PC has a printer attached and I would like to be able to print from the PC without the printer attached, what is the easiest way to achieve this?
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May 19, 2010
It's my first time setting a local server up and getting everything to go smoothly, at the moment I have the server running LAMP and I control it using SSH. I like to know how I can get the server online and actually connect a domain to it? I have the ISPConfig setup and it runs perfectly fine, what I like to know is:
How do I attached a IP to the server? (or can I just access it using the IP i have now?)
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Feb 15, 2011
I successfuly installed CentOS to my Dell laptop using CentOS_5.5_Live_DVD.iso and mounting it to a USB flash drive with iso2usb.exe, Now my laptop will Not load CentOS when I remove the USB flash drive, I get a messege saying "no system found".
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Dec 15, 2010
I was just wondering wether a directory (I know thats just a special file) could be a security problem, as they have execute permissions? Could an exploit be attached to a directory. Has this ever happened?
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Mar 22, 2011
I installed my HP D110 printer without a hitch, however Fedora does not see a scanner attached. I guess I just need an idea of how to install a scanner.
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