Ubuntu :: Create A Virtual Machine And Configure The System Through The GUI And Then Dump All Of The Settings?
Oct 7, 2010
I'm working on a script. fter it has installed and removed packages, I need to configure a ton of settings. In GNOME, I understand that those settings are kept in "/home/user/.gconf". Can I create a virtual machine and configure the system through the GUI to my liking and then dump all of the settings, so that I can load them on another machine? Is it as simple as copying the directories?
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Mar 29, 2011
How can i configure an openCA and openOCSP server on a linux virtual machine?
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Jul 29, 2009
I successfully installed the virtual box on my fedora 8 system, and also created a virtual machine with windows xp OS, it works nicely, I try to configure the serial port of my virtual machine and try to configure the path for the port "screen shot are attached" it gives me the error message also the "screen shot are attached" for your review.Is kind of mistake is going on during the path setting, and how to set the path for configuring the serial port of my virtual machine so that I can use the hyper terminal tool of windows.
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Jun 29, 2010
I would like to configure and SAN disk. But I do not have a physical SAN disk. Is it possible to create and configure a Virtual SAN disk and work on it with virtual machines?I have around 400GB of space in my Laptop.
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Jan 5, 2010
I have been unable to create any type of Windows VM in Xen. Every time it tells me that the processor(s) in the machine do not support full virtualization. After some research, I found several articles regarding the vmx setting in /proc/cpuinfo not showing up when the xen kernel is booted versus it showing up in the default kernel. Of course, I am not seeing the vmx extension in /proc/cpuinfo after I boot to the xen kernel. In the other posts where other people are in the same situation, the only resolution is to upgrade to the 2.6.16 xen kernel. I am already past that:
linux-vxke:~ # uname -r
2.6.31.8-0.1-xen
yet I am still unable to create any form of Windows VM. I have even seen that some people are able to create a partially virtualized Windows VM, and they report that the message is only a warning. However, I am unable to get past this message. I am running a Dell Optiplex 760 with an Intel Core 2 Duo E7300, and I have the VT-x setting enabled in the BIOS. Has anyone else seen this situation or have any thoughts on why this is happening?
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Jan 17, 2010
im trying to install a .sh file for a online game but i get this error Unrecognized option: -XstartOnFirstThread Could not create the Java virtual machine.
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Jan 6, 2009
I used qemu sucesfully on F9 but I can't find it on F10. I can't create a virtual machine. I tried installing qemu from rpms that I found on their site without any luck. How can I create a virtual machine on F10?
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Nov 8, 2010
I just install QEMU and virtual machine manager to use virtualization, but virt-manager cannot run properly. I can create a VM, then mount CDROM ISO, startup. With Windows installation, it runs well until format partition step, after that it is disconected and exit with error related to VNC. I dont know why have this problem cause the packages that I installed is from Fedora repo and I think they have been tested.
Here are some infos:
Fedora 14 - kernel 2.6.35.6-45.fc14.i686.PAE
qemu-2:0.13.0-0.7.rc1.fc14.i686
libvirt-0.8.3-2.fc14.i686
virt-manager-0.8.5-1.fc14.noarch
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Dec 17, 2010
I am trying to run a .jar file, and I have both JDK and JRE installed. This is the error I keep getting.
Code:
jonathan@linux-d0g9:~> cd Downloads
jonathan@linux-d0g9:~/Downloads> java -jar RSBot2.jar
jonathan@linux-d0g9:~/Downloads>
[code].....
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Apr 29, 2009
I am newbie to centos. I am trying to install virtual server in my machine. I have installed the Xen virtual machine monitor which comes with CentOS through add/remove software. Here is the problem, I am unable to open connection with Xen hypervisor. Here is the error i am facing:
Unable to open a connection to the Xen hypervisor/daemon. code...
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Jan 3, 2011
I had set up 4 virtual machines on centos 5.5 system where I directed the image locations to an external storage. I have lost the image files in the storage, but I have the image files that were copied from the virtual machine image location. I want to put up the same system on the same computer by copying these backup images. However, when I copy the image file to the same exact location and start the corresponding virtual machine I get "no bootable disk" error. When I increase the size of the image using "qemu-img" commands, I can get rid of this error, but get "error reading disk" error. Is there a way to overcome these problems, or is it not possible to restore a virtual machine by copying the machine image file under ..../xen/images?
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Feb 24, 2011
I'm trying to setup and configure a server entirely with text only run mode 3 on a virtual machine so I can redo my current live server. I'm now trying to set up the firewall of the system using iptables. I've read up on it and came up with the following:
-clear all rules
#iptables -F
-set default policy rules
#iptables --policy INPUT DROP
#iptables --policy FORWARD DROP
[Code]....
Everything above worked for me but just out of interest I looked at my live server which was configured using a GUI. I ran iptables-save and it was pretty much the same but its port open lines read like this:
#iptables -A INPUT -p tcp -m state --state NEW --dport 80 -j ACCEPT
so finally my question is do I really need the "-m state --state NEW"? Wouldn't having that drop established connections on those ports? I'm just confused as to what exactly the NEW state is doing and would it make a difference if I didn't include it.
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May 31, 2011
I'm looking into creating a virtual machine to mirror a web hosting environment I pay for. Long story short, I need a lab so I am not taking down the live site with my mistakes.Questions:
1 - What OS is most commonly used and / or best for running apache web server?My paid host is running "Operating System =linux; Kernel Version2.6.28.5-grsec-sg2"
2 - What is the best open source solution for creating a virtual linux machine on a box running XP?
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May 18, 2010
I'm trying to set up a virtual machine environment in Centos5.5. My hardware fully supports virtualization, and I'm running qemu as the hypervisor with Virtual Machine Manager as the GUI to manage and create VMs. Host hardware is a Dell PowerEdge T710, with a quad core Xenon processor and four 1TB disks in a raid 6 array.
Within the Virtual Machine Manager when trying to create a new VM, there is the option to not "allocate entire virtual disk now". What format is created when you "allocate entire virtual disk now" and when you don't?
I want to create a qcow2 image format, but it doesn't look like it is supported. Does anybody know how to create a VM with a qcow2 image format?
When you create a blank disk with "qemu-img create -f qcow2 disk.qcow2 3700G", it indeed does create a qcow2 image. However, Virtual Machine Manager is unable to read these images, claiming that it is 15 megs or so in size (which is what it actually occupies in host disk space until you try and put a VM into it).
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Jul 22, 2010
I have CentOS 5.5 and try to create KVM virtual machine with CentOS 5.5 as a guest. But when I exec command:
virt-install --connect qemu:///system --name test --ram 1024 --file=/var/lib/libvirt/images/test.img --file-size=10 --vnc --cdrom=/var/lib/libvirt/images/CentOS-5.5-x86_64-bin-DVD-1of2.iso --vncport=10000 --accelerate --os-type=linux --nonsparse --livecd --hvm
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Apr 19, 2011
I'm running Red Hat as a virtual machine on VMWare and the network configuration on VMWare is a bridge and i have had this problem, some times does not get network o others do, i have verified code...
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Mar 17, 2011
Being new to Linux I am not sure of which Virtual software to use in my Opensuse Linux? I want to try FreeBSD again but I want to use some type of Virtual Machine .
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Jan 7, 2010
I have a Red Hat 5.3 virtual machine that has 3GB memory. I just upgraded the memory to 4GB, however when I run free -m it still only recognizes 3GB. Is there something else I need to do?
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Jul 3, 2011
How to run java programs on linux .Do i have to install any other software to run java program in my virtual linux system.I use Ubantu.
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Apr 26, 2010
I installed Oracle Enterprise Linux on Virtual Machine.
I try now to connect to internet through this VM but i cannot.
How can i make connect?
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Nov 24, 2009
The problem is that he did not specify exactly where in /etc/profile. I am trying to make a custom spin of F12 but I cannot do it behind the proxy as it is now.
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Jul 6, 2011
Can some one help me to configure vsftpd with Virtual and System user
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Apr 9, 2010
I have a Toshiba laptop with a Intel X3100 graphics card and I'm using a second LCD display with it ( it works ok as an extension to my notebook's display ) My question: is it possible to configure the system so that one virtual desktop is my laptop lcd and another the external lcd ? Mine has a native resolution of 1280x800 and the external one 1280x1024 and I'm running Ubuntu 9.10
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Oct 6, 2015
I've been experimenting with Debian coming up with a system with suits my needs. I have done this and I'm wondering, "Do I have to start from scratch on my physical machine or can I convert an existing VDI to IMG and possibly port it to the physical machine?"
System: Debian Testing
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May 27, 2010
I have installed CentOS on a VMwareWorktation and that CentOS, i also install VMware Server (suscess) and setup a guest OS that, but i start this Guest OS, an error show "You may not power virtual machine in virtual machine"...
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Jun 28, 2011
Is there any open source virtual machine so i can study the source in order to create my own? i'm gonna write my own, so it doesNT matter if license does not allow further development of the code.
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May 27, 2011
I'm using dovecot pop3 server in my website. I tried to create a virtual user system with mysql. But it didn't work. Next I tried to debug my work with reading of dovecot log. I enabled logging in it by changing this values in /etc/dovecot/conf.d/10-logging.conf:
Code:
log_path=/var/log/dov
auth_verbose = yes
auth_debug = yes
auth_debug_passwords = yes
After that I tried to login to the pop3 via telnet and it failed as usual. After I checked the log file (/var/log/dov), but it does not contain any information about that failed login. Only there was some information about starting up of dovecot! Does any body know that what is the problem and why dovecot doesn't log that?
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Apr 14, 2010
I'm quite new to linux, but I've managed to grasp some basics. Now my intention here to create a virtual directory, which I resorted to creating an Image File so that I can mount it and have my folder have a dedicated storage. I will mount this image as a loop device. Well it's not much of a problem, but I would like to know whether this is suitable. Say I want to create a 25GB Image.
Code:
dd if=/dev/zero of=/home/disk-img/25GB.ext3 bs=1G count=25
Is this recommended? I'm using block size as 1G which is really huge, so I was wondering, if this is actually recommended. From what I read, some said that it's only advisable to use 4096k or lower, but what I found was that these suggestions are very dated (year 2003), and it is now 2010, so I would like to know if it makes any big differences.
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Feb 18, 2011
Which configuration files should i have to configure?
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Dec 7, 2010
I am trying to create a dump log using tcpdump. I want display the top 10 ip addresses sorted numerically showing how many times the ips are hitting the server. I'm getting frustrated because It's not working how I'd like it to.
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