Ubuntu :: Virtual Machine Networking / Network Not Working After Copied Machine?
Dec 3, 2008
I have ubuntu-8.04.1-server installed on virtual machine. It works perfect. Now, I made copy of this virtual machine. I started that copied machine and it works fine, except one thing: network does not work!
I have several others VMs with freeBSD, openBSD or Windows on it, but only ubuntu machine hes network problem after coping. I tried some other VM with ubuntu on it - same problem! I downloaded VM with ubuntu - same problem.I take a look into /etc/network/interfaces file and it looks just as it should (same as before coping) but ifconfig command returns parameters for lo only (before coping there was eth0 and lo).
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Jan 28, 2010
host Fedora 12 64bit
KVM virtualization software
I have 8 VMs on this virtual machine running different OS. Can VMs be moved/copied to another PC of similar hardware config running Fedora 12 (64bit) as host and KVM
If Yes, whether copying following files,
e.g. copying following files and paste them on the same /path/to/directory
[root@fedora12 satimis]# ls -l /etc/libvirt/qemu/
Code:
total 52
...
-rw------- 1 root root 1293 2010-01-14 22:48 vm01.xml
-rw------- 1 root root 1293 2010-01-11 17:19 vm02.xml
-rw------- 1 root root 1302 2010-01-11 19:11 vm03_ub9164.xml
[Code]....
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Feb 21, 2010
I installed a minimal ubuntu (minimal.iso) on a virtual machine (vmware) on my windows pc using following packages:
Code:
sudo apt-get install install gnome-core gdm network-manager-gnome human-theme x11-xserver-utils tangerine-icon-theme gnome-themes-ubuntu ubuntu-artwork jockey-gtk gnome-utils firefox
I'm using the Ubuntu VM as my local http server. It is reachable via ip - so http://IP-ADDRESS works. I also use samba for shared folders... but ubuntu is not listed in my network. What means that i cannot access files from outside the vm. Do I have to install further packages, because "normal" ubuntu distributions are listed in my network connections. Samba packages are correctly installed.
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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 18, 2010
I have an ubuntu kk laptop connected via wireless to my mixed network (xp, win7, other ubuntu), but i can not ping said machine or connect via ssh. Internet and smb-browsing ON this machine work, as does pinging FROM it. If this was a windows machine, I'd say a firewall is in the way, but since it's a vanilla karmic install, this should not be the case (or should it?).
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Jul 24, 2010
It seems whenever i create a folder it creates the folder as untitled folder, but i can't change the folder name it just says "you don't have permission to rename item" but yet i created the folder and it is there. One thing i have noticed is that once i enter a folder it won't even let me move the folder.
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Jul 6, 2010
I had run one script in unix machine and want to copy the results to a windows machineBoth the machines are on different networksIn linux machine trying to do the ftp to the windows machine its giving connection refused. How to chech whether ftp is running on that linux machine or not?Also tried scp and ssh , both are failing
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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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Mar 1, 2011
I've run into a weird problem. Two of my linux machines (A and B, both running CentOS 5.5) are connected to the same wall ethernet socket via a hub. Bothf them are configured for static IPs. The trouble is that when machine B goes offline or hits a kernel panic, machine 1 goes offline too. What I've noticed is that in this condition the "route" output from machine A does not show any entry for the default gateway either The contents of /etc/sysconfig/network-scripts/ifcfg-eth0 for machine A are:
Code:
# Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller
DEVICE=eth0
[code]...
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Jan 3, 2010
I read once that you could use VMWare's converter to convert a physical machine into a virtual machine to run in VirtualBox. Can someone point me in the direction of a tutorial or just give me instructions on how to do this? I was very confused by the converter and how to get the image to work with virtualbox.
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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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Jul 5, 2010
I'm using fedora 13(x86_64).i installed windows xp in the virtual machine manager(which comes along with my distro).i installed it after creating the virtual hard disk,but after completing the installation of windows xp,the hard disk is not booting,it throws an error like the following picture.
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Feb 1, 2010
I am preparing for the RHCE and would like to get some feedback on network installation.
1. How can we practice network installation on the Vista? I have installed CentOS installed using VMware desktop on Vista windows?
2. In exam do we get network server installed or we have to install it?
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Jun 18, 2010
i want to run winxp really bad in virtual machine, but have yet to get the programs to open without error.
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Sep 28, 2010
Recently loaded 11.3 onto a virtual machine, however none of the network settings will allow me to connect to the internet. First time Ive had this happen, other distro's Ive experimented with connected with no problems. I recall seeing a similar topic some time ago (dont remember if it was here or another forum), but at the time, there had been no fix. Anyone know if this has been fixed?
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Aug 29, 2011
I have OpenSuse 11.3 with VirtualBox on it, and with installed Oracle DB (on host OS).. but, sometimes this computer is disconnected, without it's gateway (adsl router)... and in that case, I cannot ping from virtual OS to host OS, or another virtual OS. I tried to use 'Host only' option within VirtualBox, but it doesn't work. What should I do? It seems that virtual machines requires some kind of gateway/router, but since machine is disconnected, it's not working.. how could I fix it?
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Jun 28, 2010
My laptop is running Linux Mint 9 and I am trying to install Fedora 13 in a virtual machine within Virtualbox. However, it's not working. It takes forever to get past the initial white/blue loading bar when it first boots and then it just goes white, so I can't see anything. I've already tried modifying the bootline parameter of the live CD to include noprobe, noacpi, noapic, nousb, and nofirewire. However, the result is the same. Am I missing something? Is it possible to install this?
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Jul 26, 2011
I'm attempting to use a network bridge to connect my virtual machine, like so:
[Code]...
The issue is that when I type the following command, I get the further following horrible error message that doesn't seem to really point me to anywhere and I can't seem to find any relevant information to my problem on the web:
root@darkstacks:~# qemu-system-i386 -hda test.img -m 128 -curses -net nic -net tap,ifname=tap0 warning: could not configure /dev/net/tun: no virtual network emulation
Does anyone have any idea what I need to do here? My processor does not have the vmx flag, as it's a 2.4GHz P4. I don't know if that might have something to do with it.
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Jul 11, 2011
I created an archlinux vm guest using virtualbox on my windows desktop at work. I'm planning to use it for django development because there are no unix machines available to use as a workstation at work.
From the vm guest I can ping/ssh to other machines in the network, but not the other way around. It's like even though the guest machine has an ip address on the network and a hostname, neither is recognizable.
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Jan 5, 2010
I'm having issues with my GigE Marvell NIC. The problems have started recently. Anytime I push network bandwidth over ~9MB/s, I loose all network connectivity. Stopping the network, rmmod'ing and modprobe'ing the sky2 module and then starting the network again does not resolve the issue (even though eth0 dissapears and then comes back). The only non-standard configuration (as far as desktops go) in my network is that I use a bridge so a KVM virtual machine can be exposed directly to the network. I'm currently testing the problem to see if it exists outside of the bridge.
[Code]...
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Jul 18, 2011
I have an appliance called my_appliance.raw. To start the appliance locally, I use:
[code]...
After that I would like to ssh into the guest from the host but just the ssh command doesn't work. firewall is disabled on guest. the ip I use is the one that ifconfig shows when I run it on guest. sshd is running.
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Jun 16, 2010
I have a 10.04 on virtual machine (VMWare) Network card is bridged. I wanted to change the connection from DHCP to static IP. Tried both ways already:
[Code]....
The connection is established and ifconfig shows the correct IP, but nobody can ping me and i cannot ping anybody!! I have no connection to the internet.
Code:
vm_ll@me:~$ ifconfig -a
eth1 Link encap:Ethernet HWaddr 00:0c:29:e6:87:69
indirizzo inet:10.1.1.45 Bcast:10.1.1.255 Maschera:255.255.255.0
indirizzo inet6: fe80::20c:29ff:fee6:8769/64 Scope:Link
[Code].....
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Mar 6, 2011
I am a linux beginner and dont know that much about networks! I have access to a linux VM. The machine is remote and i access via putty. If i can access this machine via SSH and putty, is there any reason why i should not be able to use ssh tunnelling to connect to a vnc server?
I don't know the details of the server and what firewall is set up but i believe that tunnelling uses port forwarding over the ssh connection that is already set up. Where does the port forwarding actually occur? At the actual linux VM or on the router the VM is connected to?
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Jun 8, 2010
I am using Ubuntu 10.04, 64-bit. I am trying to set up a virtual machine on it using vmbuilder. As I understand, I need to set up bridging. If I set up br0, then I cannot get out of the machine. Even a ping to 192.168.1.1 (my gateway) comes back as network unreachable. If I comment out #auto br0, then I can get out (on eth0), but i get an error from libvirt. My /etc/network/interfaces file (eth0 networking works, but libvirt does not):
#auto eth0
#iface eth0 inet dhcp
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet static
address 192.168.1.154
netmask 255.255.255.0
[Code]...
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Jul 7, 2011
I am currently running ubuntu on a qemu-kvm virtual machine, and the host is fedora. I would like to mount a folder of the host machine on my VM, but never succeeded. The result of the command is :
root@armnlib-kvm:~# mount -v 192.168.1.10:/nfs /nfs
mount: no type was given - I'll assume nfs because of the colon
mount.nfs: timeout set for Thu Jul 7 06:02:43 2011
mount.nfs: text-based options: 'addr=192.168.1.10'
[Code]....
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Mar 17, 2011
I've forwarded incoming connections on port 25 to my virtual machine with the following commands:
sudo iptables -t nat -A PREROUTING -p tcp -i eth0 -d 10.1.1.3 --dport 25 -j DNAT --to 192.168.56.101:25
sudo iptables -A FORWARD -p tcp -i eth0 -d 192.168.56.101 --dport 25 -j ACCEPT
The strange thing is the connections coming through in the virtual machine seem to be getting dropped. A port scan from the internet says the port is closed, but it is not the case as I can see the connection coming through. As you've probably worked out, I am running a mail server. When I send myself test mail, the connections from the senders mail server also gets dropped.
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Aug 28, 2010
I've a weird problem about my honeypot project. All start from installation until running process is going smoothly but when I try to ping my honeyd vm from honeyd host it couldnt but it can be ping from other machine inside my local network. I am also usinng arpd for ARP request reply and standard honeyd config.
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Oct 22, 2010
I have removed Network Manager Gnome from my Ubuntu which is a virtual machine(Guest OS),I see the internet is no more running inside this Virtual Machine.While in other Virtual Machines (Other Linux) I had not removed Network Manager Gnomeand I see internet is running fine in them.
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Jan 28, 2010
I'm trying to ssh into a virtual installation of ubuntu I have, named "ubuntu-x86" but I can't get it to work for some reason. I have two network cards, both assigned to NAT, on the virtual machine, but one has a static IP address, while the other uses DHCP. For some reason, the command:
[Code]....
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Mar 16, 2011
I had been running my SMTP server with WINE, as the SMTP server software is a Windows-based program (MERCURY), but I cracked the shits with WINE and removed it. Now I am running my SMTP server in a Windows virtual machine.This virtual machine has a different IP address from my host machine, so what I need is for my computer (the host) to redirect incoming traffic on port 25 to the virtual machine at 192.168.56.101 on port 2525.Can someone please help me with it? I think its done with iptables.
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