0
votes
0answers
51 views

Unable to browse internet in Genymotion via VM

I have installed Oracle VirtualBox and Genymotion.. I installed Google Nexus using Geymotion inside the VM. I have ethernet LAN networking in my hostel, but I can't connect Google Nexus VM to the ...
-1
votes
1answer
17 views

isc-dhcp for Virtual Machines only

I installed Xen 4.3 on Ubuntu Server 14.04 and added the xenbr0 bridge. The host IP is 145.173.136.2. The network administrator reserved 15 IP's for the VMs: 145.173.136.112-126 So i installed the ...
0
votes
0answers
11 views

Wrong throughput measruements in VBox VM running Ubuntu 12.04.3

I have one physical machine with Linux Ubuntu System (Host OS) installed on it. Besides that, the machine runs one Virtual Machine (VM) and one Open vSwitch Bridge. The machine has one virtual ...
0
votes
0answers
55 views

Ubuntu 14.04 KVM guest issue with static IP address

I Have installed a KVM server and host in Ubuntu both with release 14.04. I did configured the server according to the wiki and it is working as expected. The issue I am having is that after ...
1
vote
0answers
69 views

Nested virtualization on Windows

For the last few weeks I have been reading a lot about OpenStack, Cloud Computing, virtualization, VMware tools and I have decided to try it. I would like to install, configure it and try it to see ...
2
votes
1answer
219 views

kvm guest network problems

I had a server running kvm that was upgraded from ubuntu 13.10 to 14.04 and since the upgrade after a couple of hours (in some cases less) the guest machines (a mix of linux and windows, using both ...
0
votes
0answers
73 views

ubuntu vm on open nebula doesn't se internet connection

I have some problem with ubuntu and open nebula. I'm trying to setup one installation of ubuntu on open nebula. Start from this assumption: my machine as an i7 with 16 GB of ram and runs ubuntu ...
0
votes
0answers
160 views

VM connected to Openvswitch can not access the external network on Ubuntu 14.04

I have a computer running Ubuntu 14.04. It has two ethernet interfaces. I've created a virtual switch and connected eth1 to it. I run VM (KVM) that connects to the openswitch bridge. From the host, I ...
0
votes
1answer
72 views

Setting up VMs on different subnets

I run a server on IP X.Y.3.7 and i want to run multiple VMs on it using libvirt. I set up a bridge device: auto eth0 iface eth0 inet manual auto br0 iface br0 inet static address X.Y.3.7 ...
3
votes
1answer
79 views

VM can't ping LAN name but sees it via nslookup

I am trying to connect to a network resource from my 10.04.4 VM (VMware Fusion) but the destination is unreachable by name. What is weird is that the name is visible in DNS: >nslookup my.name ...
1
vote
1answer
79 views

Create a virtual machine and connect to it command line

I'm running an Ubuntu 14.04 server, and would like it to also run another 14.04 server instance in a VM on it. (I need to use two VPNs on the same machine simultaneously) I've tried using both KVM ...
1
vote
0answers
91 views

Could not ping Solaris KVM Guest from another computer

I setup Solaris Guest using KVM in Ubuntu. I don't have problem pinging host (Ubuntu) to guest (Solaris) and vice versa. Also my Solaris guest can ping other computers in my network but not the other ...
1
vote
2answers
356 views

IPv6 does not work over bridge

I installed Ubuntu 14.04 server a week ago. I use it as a virtual machine host (tasksel installed). meaning am running it with kvm + libvirt. I have set up the same bridge I had in 13.10. auto p4p1 ...
0
votes
0answers
359 views

Packet loss between guests under kvm-qemu

Have two guests on ubuntu server 14.04 kvm-qemu. When I ping from guest-1 to guest-2: guest-1# ping 10.0.0.2 PING 10.0.0.2 (10.0.0.2) 56(84) bytes of data. 64 bytes from 10.0.0.2: icmp_req=1 ttl=128 ...
0
votes
1answer
40 views

Ubuntu switched from eth0 to eth2 after changing network adapter

I am virtualizing an ubuntu desktop 10.04. As I had to change the ethernet adapter mac address I got an eth2 network interface in place of eth0. I'd like to reswitch to eth0. On centos there is a ...
0
votes
0answers
47 views

How to add serial port in VM to connect to physical network

I have created VM in Ubuntu server host.This VM in-turn has ubuntu operating system installed on it.Now I want to connect this VM to a physical serial port of a device. My issue is :- How can I ...
0
votes
1answer
68 views

KVM and port security

In my test environment I get everything working perfectly the way I want it. Running Cloudmin KVM instances over a bridged adapter. Then when it comes time to install at the data center I hit a brick ...
0
votes
0answers
209 views

KVM Guest cannot access internet using NAT Network

I have an Ubuntu Server 13.10 configured as a Virtual Machine host, using libvirt and KVM. I have added two virtual machines, both using Ubuntu Server 13.10, one with Mysql and other with Apache/PHP, ...
0
votes
0answers
38 views

Network-Tools 3.2.0 Idel's at the middle

Network-Tools 3.2.0 Idel's at the middle during traceroute. (gnome-nettool 3.2.0-0ubuntu1) It idel's way too far on google.com. While trace-route command at terminal ends up with different results. ...
14
votes
1answer
4k views

What's the difference between tun/tap vs bridge+vnet vs macvtap? (For virtualization KVM)

I've just found a lot of different ways to do KVM networking. But I'm stuck about what's the right way to do it. I discovered that openstack uses macvtap to do neutron networking. And it looks good. ...
0
votes
1answer
104 views

Linux-KVM “broken” after a motherboard swap

I just had the motherboard replaced in a Dell PowerEdge R410 that functions as one of our virtual servers (running Ubuntu 10.04.3 LTS). I'm fairly new to Linux, and was quite surprised when networking ...
1
vote
1answer
2k views

How to troubleshoot a macvtap network in kvm/virt-manager

I have a virtual machine running under qemu-kvm, on a 13.10 host. I am using virt-manager to define the machine, and I have added a virtual NIC, using the new macvtap driver. I have the following ...
0
votes
0answers
123 views

Ping Access to a Nested VM !! Plz Help

I have a problem in communication between the host and the nested VM. This is my layout. I have installed KVM on host machine having a single nic interface (public ip) running Ubuntu. On top of ...
1
vote
0answers
393 views

Create PV Guest VM in Ubuntu 12.04 using Xen: “Network autoconfiguration failed”

I am using instructions from here: https://help.ubuntu.com/community/XenProposed http://fosshelp.blogspot.com/2013/03/how-to-create-pv-guest-vm-on-ubuntu.html This is what I get when I type ifconfig: ...
0
votes
0answers
94 views

No internet in VM

I'm behind my company proxy (or more specifically, net configuration stored in a web) and my VM cannot connect to internet. Host is windows 7 enterprise guest is Ubuntu 12.04 LTS in VMPlayer. I can't ...
1
vote
1answer
1k views

Virtual box network problems on windows 7 guest

I have installed Windows 7 (as guest) using Virtual Box on my Ubuntu 13.04 (as host). Everything was OK except some network problems. I have no problem with browsing websites in guest OS (windows 7) ...
3
votes
2answers
10k views

Networking stop/waiting error

I wanted to set up a bridge connection for my VMs (I am using KVM). I modified my etc/network/interfaces file and its contents are: auto lo iface lo inet loopback auto br0 iface br0 inet dhcp ...
0
votes
1answer
68 views

Sharing server to several computers at home

I want to build such a system. I have one new desktop (server with 8 core CPU, 8Gb of RAM and HD7770 GPU) and two clients (old desktop and old laptop) connected using gigabit network. I want to make ...
2
votes
1answer
228 views

Where does Ubuntu store the cache of MAC addresses for interface numbering?

Example: I run Ubu in a VM. I remove and add several network cards. Suddenly, I'm at eth4. I want to migrate this VM to openstack. How can I find/purge the MAC address cache for interfaces, so a ...
0
votes
1answer
754 views

How to setup non-local bridged network for Xen?

I've had an absolute nightmare the past 5 days trying to set up the proper bridged networking for Xen. I've tried so many guides and all have failed to provide a solution for my specific question. ...
9
votes
4answers
36k views

In VirtualBox, how do I set up host-only virtual machines that can access the Internet?

In setting up virtual machines with VirtualBox, I often want the following characteristics vm has a static ip host can access vm without port forwarding vm can access the internet I can move ...
6
votes
2answers
15k views

Host-only network with Virtual box and Windows host machine: cannot find device eth1

(ANSWER BELOW) I have problem with implementing Host-Only network in Virtualbox. my host machine is running under Windows 7 Ultimate, and guest OS is Ubuntu Server 12.04.2 64bit. I configure virtual ...
1
vote
0answers
2k views

Bridge networking is not working in virtual box 4.2.8 with ubuntu 12.04 host and ubuntu 11.10 guest

Very good article but there is a problem for me. I am using virtual box 4.2.8 with ubuntu 12.04 host and ubuntu 11.10 guest. I am unable to setup bridge networking beetween host and guest. here i am ...
1
vote
1answer
843 views

How to access the internet from a virtual machine in Gnome Boxes?

I installed Gnome Boxes, created a new virtual machine and booted an ISO. The ISO boots up fine and the network inside the virtual machine got automatically configured by the distro (with dhcpd): IP ...
2
votes
1answer
415 views

How to setup IPv6 on ubuntu host with two VMs

I want to setup IPv6 network with two VMs(virtual box) on a ubuntu 12.04 host. One VM is backtrack and second is window XP. I want to know that how can i setup a fully IPv6 network so that i can ...
0
votes
1answer
702 views

How Can I add two Bridged Interfaces on seperate LANS into KVM?

I Currently Have a Running server with multiple KVMs running different Servers within each, now I would like to add another separate interface to serve another group of KVMs on the same server. There ...
0
votes
1answer
813 views

Trouble connecting to wifi in Windows 7 VM

I run Ubuntu 12.10 as host and I am trying to use VirtualBox for gaming with a Windows 7 guest. I cannot, however, connect to my wireless internet in the guest. Any suggestions?
2
votes
2answers
532 views

KVM - Guest does not recognize second NIC

I have a server running Proxmox (a virtualization platform), and created a KVM virtual machine with Ubuntu Server 12.10. After configuring the network, everything works fine, but if I add a second ...
1
vote
1answer
511 views

How to change the IP address on my Ubuntu virtual NIC

I have a physical windows system, on which I run VMware Workstation. On a VMware virtual machine I run Ubuntu 12.10 and a LAMP webserver. Problem: Now my local IP address for my virtual NIC (the one ...
1
vote
2answers
3k views

IP Alias to Virtual Machine

Thank you in advance for any help you can give. I have searched and searched and have not found an answer to my issue. I'm not sure if this should be in virtualisation or networking - since it's ...
1
vote
2answers
2k views

12.04 on VirtualBox -No internet access on Guest OS

I have Windows 7 as my Host OS which has wired Ethernet working. My guest OS on VirtualBox is Ubuntu 12.04. The problem is that I cannot browse. I have: Enabled sharing on Windows; Have used NAT, ...
0
votes
0answers
223 views

Ubuntu server on VM, outgoing network working, but incoming is not

I have recently installed Ubuntu server with LAMP, OpenSSH and mail on Oracle's VM, it's incoming networking was working, apache's default message could be seen when opening 127.0.0.1:8080. But now ...
0
votes
1answer
426 views

How to access guest VMs from outside network?

My problem is how to access guest VM from outside network. I am going to describe my problem in details. I have single machine with Ubuntu Server 12.04 LTS contains two NICs. One NIC is connected to ...
2
votes
1answer
994 views

ubuntu vm cannot find new network cards

After copying the virtual hard disk of a vm I made to a new machine, ubuntu no longer recognises the network cards and spews out errors like: failed to bring up eth0 ..... no such device I'm ...
3
votes
2answers
4k views

Bridging: Loosing WLAN network connection with 4addr on option - Why?

Question: For use with my Xen VM, I need to create a virtual network interface (vif) that is bridged to wlan0. If in /etc/network/interfaces I add auto xenbr0 iface xenbr0 inet dhcp And ...
1
vote
1answer
629 views

How do I configure networking when using XEN on 12.04 Server

I'm following this guide, https://help.ubuntu.com/community/XenProposed, and I'd like to setup a static IP address, but I don't know how. I'm using 12.04 Server. This is the step I'm having trouble ...
0
votes
1answer
1k views

Unable to set default gateway on a hosted Windows virtual server

I'm running Ubuntu server via Hyper-V and have successfully installed it but seem unable to ping the server or ping any other machines on the network from the server. After doing a bit of reading ...
0
votes
2answers
991 views

How do I get internet access in my kubuntu 12.04 virtual machine using NAT and a wireless connection?

I use virtualbox 4.1.14 directly from the developers including the extension (not the ppa) on an ubuntu 11.10 system. I try to access the internet from the kubuntu live cd that I have booted inside ...
2
votes
0answers
107 views

Regulating outgoing traffic on a virtual machine? [closed]

I am making a virtual network setup for my high school cybersecurity team to practice. I am connecting all the VMs together through a VPN and then people who are practicing will VPN in and ssh/remote ...
1
vote
0answers
637 views

General internet slow on Ubuntu 11.10 if running standalone but not inside VM [closed]

I got a new machine for work and was already using Ubuntu before that with a chain loader setup to load Windows 7 on another disk. My employer likes that cause he can just rip out the ubuntu disk and ...