General :: Networking - Extend Display Over Network On VNC?
Apr 30, 2011
What I need is a program that will extend a X-windows display over a network, similar to nvidia's TwinView (which I am already using on the main machine for its 2 current monitors).However, I cannot use Xdmx (as suggested by all the threads I found), as I would like it not to require me to manually start the x server and viewer, and have all the machines must be running a *nix OS, which won't work for me, as the secondary machine is running windows.I would also like it to hopefully use VNC to share the desktop, as I would be connecting to it from a windows machine over ethernet.By "extend" I mean one that would, say, for example, add another X display with a given resolution and position and serve that over VNC. I have yet to find any programs that will do this.
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Apr 7, 2011
One requirement of a project I am currently working on (for Maemo) is that the Qt application displays a QSplashScreen when it loads.
My issue is that the application is fairly small and I have written it to load components etc as they are required rather than at start-up. This has lead to quick start up times (which, in a perfect world is what we all strive for!)
How would I intentionally delay the start-up time so that the splash shows for longer?
I have investigated
Quote:
QTimer:: oneShot() (Space added to prevent smiley)
however, its prototype dictates that it be connected to a slot. I am running this QSplashScreen from inside main so this is neither needed nor feasible.
What is the best way to essentially do this:
Code:
Display Splash
Timer for 3 seconds
Close Splash
Display mainWindow
I do not want to use native system calls such as sleep() and would instead rather a Qt based solution.
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Apr 13, 2010
I am systems administator of the university CS lab. I have a Mac here and I'm trying to extend the directory to our OpenLDAP server. We use NFS as well. I know nothing of Macs in this respect except for the fact that they already have LDAP on them, which seems to be convenient.
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Jun 7, 2010
I have a question regarding the configuration of Network Connection. My wired connection is fine right now and when I check the network connection applet, it display active information of eth0. However, when I click the Configure button, the Network Connection window appears but there's nothing in the Wired panel. Should there be a eth0 in that panel? I remember I had one before, but after I messed with some configuration of VPN, my network became unstable and I remove the Network Manager to try to solve the problem. Since then, there's nothing in my Network Connection window, though I can still connect to my router with eth0. Now even after I reinstalled the Network Manager, I still don't get anything.
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Apr 21, 2011
I know I have done this command on out Red Hat systems. But for some reason in CentOS its giving me problems. I am trying to add more space to / as its at 100% full. Not sure what filled up the 4G is assigned to it but I did load Virtualbox and a widowsxp system.
Here is what i have:
df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/hdc3 4061572 4050416 0 100% /
/dev/mapper/rootvg-rvg_datalv
253934980 313572 240514208 1% /data
[code]....
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Jul 31, 2011
Another noob question i guess, i've installed debian squeeze on an old laptop i have but unlike ubuntu, theres no network manager icon :S
When i use ubuntu i just right click on the network manager icon to set up my mobile broadband connection but with Debian i cant (because there's no applet) . Is there any way to make the network applet appear so i can do that ?
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Apr 27, 2011
I would like to know if is possible extend a partition using one disk. I have 50 GB on /dev/vdf2 and would like to add on:
/dev/vdc1 50G 6.4G 41G 14% /home3
And this partition will have 100G of space..
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Dec 18, 2010
I've added a second drive to a system and I need to extend the lvm and the filesystem to the second disk. Is there a way to do this online with centos 5.5? I specifically need extending the actual ext3 filesystem which seems to be the trick part.
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Jun 14, 2010
How can I extend /home or / partition through LVM. Is this possible ?
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Jun 29, 2011
I have created one partition. Now I want to extend that partition without formatting it.
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Jan 19, 2009
I'm trying to use xrandr to extend the desktop on my laptop to my lcd monitor. I have tried a few different ways but no matter what I do the desktop will end up on my LCD and the laptop is the extended desktop. Anyone know where I am going wrong? Here is the command I've been using:
xrandr --output LVDS --auto --output VGA --auto --left-of LVDS
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Sep 23, 2010
Have VMWARE workstation 7. Have to extend partition /dev/sda1 mounted to /home/user
1. Originally /dev/sda was 10gb I've extended device via VMWARE to 30gb.
2. When I do: fdisk /dev/sda it tells me that /dev/sda 30gb
3. when I check: df -h /home
it shows 10GB
4. How I can make Linux see the 30gb at /home/user?
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Dec 23, 2010
I wonder if this is possible to extend or regrow the Linux hard disk partition from 8 GB to 20 GB without losing the existing data on the partition ?at the moment this Ubuntu Linux is deployed on top of VMware and I've just regrow the hard drive from 8 GB into 20 GB but can't see the effect immediately.can anyone suggest how to do this without losing the data ?
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Apr 3, 2010
I installed the driver for my network card. iwconfig and ifconfig are all responsive to connecting to the network, I'm given an access point address. Then, I try to connect to a website and no dice. ping www.google.com yields no result. What gives?
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Dec 26, 2010
When i ssh to server using -X, i always confuse about which display number i should export. It seems to me sometimes the display number has been used by something, so what i can do is only
export DISPLAY=localhost:0 && xclock
export DISPLAY=localhost:1 && xclock
export DISPLAY=localhost:2 && xclock
[code]....
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Jun 28, 2011
I have the following scenario that doesn't seem to work normally. I have a windows 7 pc from which I am using putty to connect to my other linux servers (all running redhat 5 and 6). So here is the scenario that works and one that does not work. And I'm trying to figure out the one that does not work. Scenario that works:
From windows 7 (putty) I ssh into Linux_Server_1.
echo $DISPLAY
localhost:10.0
I run xclock and I see it pop up on my windows 7 pc. I am using xming on windows 7 to help me populate the display from linux to windows. One that does not work:
From windows 7 (putty) I ssh into Linux_Server_1. Then from Linux_Server_1 I ssh into Linux_Server_2.
echo $DISPLAY
<no output>
I try to setup $DISPLAY with localhost:10.0 or 0.0 or even my windows 7 pc ip address:0.0 ....etc Then when I try to run xclock I doesn't work.
I get these error messages: Error: Can't open display: <ip of display>
Also as a side note all our Linux servers are sitting on one subnet. My pc is sitting on another subnet. I use vpn to connect to the subnet where the servers sit from my pc.
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Jul 20, 2011
I have configured an instance in AWS EC2. I am trying to set the display back so I can run x apps. I login using ssh -xy -i...
export DISPLAY=XXX.XXX.X.XXX:0.0
echo $DISPLAY to verify
xhost +
xhost: unable to open display "XXX.XXX.X.XXX:0.0"
I have commented out nolisten tcp as suggested HERE I have modified /etc/gdm/custom.conf as suggested HERE Actually, the last suggested modifying /etc/gdm/gdm.conf, but that file didn't exist, so I added the line: DisallowTCP=false to /etc/gdm/custom.conf I rebooted, and still I get: xhost: unable to open display "XXX.XXX.X.XXX:0.0"
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Jul 5, 2011
My system is dual boot with win7 and ubuntu. I have free space of around 10 gb. I want to add this free space to my ubuntu drive. How can i do that?
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Sep 20, 2010
I am facing problems with RHEL5, everything was fine till yesterday but now it tell me i dont have enough space in /.Well due to which i cannot activate my run level5, and to startx command only runs if I remove /tmp/.X0-lock command and worse part my arrow keays not working. Resulting i need to type every command even if i am using the same command consecutively...can i exten / by lvextend ?or if i extend /hame or something like that will it work?
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Jun 9, 2010
I am connected to work via a VPN. I am logging into a Solaris box at work from OpenSuse 11, using ssh -X. I would like to start a GUI on the solaris box. The problem is that I don't know what value to give the DISPLAY variable. Is it the local internal LAN ip address, for my machine? I did try that, and I tested it using, xterm on the solaris machine. It says it can't open the display. I have enabled remote connections on my machine using xhost +.I have to run a performance test on the Solaris box at 7am in the morning... so need to find out how to start the GUI
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Feb 26, 2010
I wanted to extend one VG to 100 gb and I run command lvextend -L+100G /dev/vg/home it sucessfully extended and gave me 250GB initially was 150 GB after that I run mke2fs -j /dev/vg/home it created 250GB but lost existing data about 100GB is lost any method to recover it?
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Oct 15, 2010
I have a 100GB HD with FC13 installed, default layout with options suggested during installation. I recently purchased a SSD 120GB and move the data the old HD from it with dd if=/dev/sda of=/dev/sdb bs=1M. Since the SSD is 120 Gb, so I should have 20GB space not utilized.
After the moving,
# fdisk /dev/sda1
Disk /dev/sda: 128.0 GB, 128035676160 bytes
255 heads, 63 sectors/track, 15566 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
[Code].....
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Dec 16, 2010
I know there are probably alot of threads about lvm however they aren't addressing my problem. I want to extend the PEs available in a VG. This VG already has LVs and those are active and mounted. From what I read from the manpages of pvresize this should be perfectly possible.
Code:
pvresize resizes PhysicalVolume which may already be in a volume group and have active logical volumes allocated on it.
I did the following steps and wonder if anyone has the same issue. THe machine where I am talking about is an ESX VM.
1. Resized the vmdk in ESX (+1G)
2. Let the kernel reread the device geometry: echo 1 > /sys/block/sdc/device/rescan
3. fdisk shows me the new size... so far so good
4. I resize the partition using fdisk (remove, recreate) and gave it the 8e type (lvm)
5. wrote config to disk
6. executed partprobe
7. pvresize /dev/sdc
Here it goes wrong! Pvresize says in the verbose output it sees the same size however at the end it says the pv has been resized. I have seen when I put volumes "offline" using vgchange -a n vg on a test machine, and then try pvresize it seems to work ok. This is against what is in the manual as it says pvresize should work on online mounted volumes.
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Mar 2, 2011
I have installed qemu/kvm and created a Bridged network connection which works just fine(Windows 7 VM won't work in NAT mode.)
But when I try to use NetworkManager it says that I have no network connection because the network isn't managed, (I set the settings in ifcfg-br0 and ifcfg-eth0 to be managed)
The real problem is that now I can't use my VPN connections (I have many) in NetworkManager.
Is there a way to have both of these pieces of functionality?
I am using FC14
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Nov 20, 2010
Hi, very new to opensuse. I have 64bit 11.3 and its been working very well. My problem is that in Firefox: I have Firefox 3.6.12 when i scroll down using the mouse scroll wheel (not up?) most of the time, but not all the time i get horizontal lines instead of the "real picture". This also happens when i use my keyboard's down arrow key.
When i go slower it seems to happen less often. Also if i click off the page and back on again the display is fine. Is this problem my graphics card? Firefox? or my mouse/keyboard?
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Oct 8, 2010
ubuntu actually not using so muchi want to know to display icons on desktop of my computer, network ,bin and other as in windows
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Mar 30, 2011
Currently, I am at 99% capacity with a 1TB hard drive (sda). I want to add an extra 2TB storage (sdc) by extending the current volume group using LVM.
[URL]
I can see that it is extended from the LVM GUI (System - Admin - LVM). However, when I download anything, the system says I am still at 99% capacity.
Code:
[root@localhost /]# fdisk -l
Disk /dev/sda: 1000.2 GB, 1000203804160 bytes
255 heads, 63 sectors/track, 121601 cylinders
[code]....
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Jun 24, 2010
Here is screenshot showing my current partition in Gparted.
Screenshot-1.jpg
What I want to do is shrink the one (Ubuntu) and extend the other (XP) so that that they are more or less the same size. How?
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Aug 2, 2010
I have a disk partitioned, with windows on on one partition, ubuntu appears to be installed on an extended partition ... and iv run out of space... i need to extend the partition that ubuntu is installed on by 40gb
I have tried downloading gparted... burning it to a cd and then booting from the cd .. but i get upto a message that says use at your own risk then my system just reboots ....
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Jan 16, 2011
I'm running xubuntu 10.10 on an old toshiba P3 laptop and I'm very new to linux but am learning day by day. How can I either extend the login session or stop it auto logging me out as I want to leave a program running continuously. I've searched all over the web but can't find anything.
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