Virtualization is a group of software technologies that allow abstraction between layers of a system. This allows separation between the logical layers of the system, providing isolation, flexibility, and/or the ability to run more than one at a time. This differs from most traditional systems where ...

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37 views

Run single-threaded application on multiple processors

There is this old application that we are using (called Aldfaer) that only uses a single thread. One of its processes takes about 90 minutes to complete at this moment, and we would like to decrease ...
1
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0answers
16 views

Multi IPs on a Xen VM with bridging

While I am fairly new to XEN (running under Ubuntu 14.04) I've not had any real issues until now. I have set my networking using bridging and that has worked well for many different machines until ...
0
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0answers
14 views

Filter Traffic Between Virtual Machines

I have a machine with Fedora 21 which acts as a host system for two virtual machines. The VMs are made up using QEMU/KVM/libvirt/virt-manager. One VM is running a webserver, the other VM acts as a ...
-1
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0answers
16 views

VMWare ESXi 5.5 / Windows 2012 R2 / Application suddenly consumes CPU

I have an interesting little puzzle that I'm trying to solve. I'm running a test lab on a couple VMWare ESXi 5.5 Hosts with fiber attached storage. My VM in question is a single CPU with 4G of RAM ...
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0answers
14 views

(KVM) virt-manager stuck in password prompt after open VM

so i installed a fresh ubuntu server 14.04 with KVM, i'm connecting with my other ubuntu machine using virt-manager. so after i had permissions problem creating a new VM, i uncomment user="root" and ...
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0answers
17 views

How to turn on promiscous mode in vmware? [migrated]

I was told that in order to turn on promiscous mode in vmware, I need to do this: chmod a+rw /dev/vmnet* However, I am confused that there is an option in the vmfusion preference: Do I need to ...
0
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0answers
31 views

Production vm storage? [on hold]

what do you use for production VM storage? i mean explicitly not home lab storage but something you use in the office and don't own yourself. Do you or your management have any regulatory / formal ...
-3
votes
2answers
57 views

Video memory required for desktop virtualization [on hold]

I am planning to set up 3 virtual desktops using vmware. I have this server with video memory of 32mb and 32 GB RAM. What is the recommended video memory for this set up and is it possible to upgrade ...
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2answers
25 views

Why does an OpenVZ host show processes running in a container?

My OpenVZ (debian) host environment has only the minimal packages installed. Now I was irritated to see a mysqld process in top when the mysql package is installed and running only in one container. ...
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votes
0answers
12 views

DUP packets in Virtualbox [closed]

Im using Oracle VirtualBox 4.3.26. Host and Guest are both Ubuntu 12.04. Network Setting: Attached to: Bridged Adapter Name: wlan0 ping google.com 64 bytes from 202.78.113.163: icmp_req=1 ttl=60 ...
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0answers
25 views

Cross-platform filesystem watcher, running in VM watching host?

Can anybody suggest a way to copy data from a VM's host to the VM[0] in way that is cross-platform across hosts (i.e. Windows, Mac or Linux)? Right now, I'm achieving this by running rsync in the VM ...
1
vote
2answers
34 views

Connecting a LAN drive to Windows 2008 / 2012 VM instance on Google / AWS / Azure

Scenario: Our office uses a Sage software on multiple workstations. The software is individually installed on each workstations, but the database is stored on a server tower that has shared access to ...
0
votes
1answer
16 views

How to add Virtual Hosting to two existing VM servers

I'm trying to run two Ubuntu VM's on one machine, each running a separate LAMP stack serving different websites. Is it possible to use Virtual Hosting to accomplish this? I've read that it's ...
1
vote
1answer
27 views

XEN Guest error cannot open display

[XEN - dom0] Ubuntu 12.04.5 server x64bit , using it on CLI Mode - no GUI installed [domU - guest] HVM guest created via configuration file, I Determine the started DomU port attached with : # xm ...
0
votes
0answers
14 views

Is a Beowulf cluster a solution for me? [duplicate]

Background I'm an undergrad working on an scientific experiment. Till now I was pilot testing our one of the program on Ubuntu 12.04 and now I need to deploy it. The PC on which I tested the program ...
1
vote
1answer
76 views

How to convert physical server to Azure VM

I am running Windows 2008 R2 on physical server (Dell Machine). Now I want to convert the physical server to Azure VM. I have tried with disk2vhd utility but I am getting the below error while ...
1
vote
1answer
63 views

VPN SSTP windows client can not ping or connect to VPN server but it can talk to every other PC on the local LAN that VPN server is on

So I have an SSTP (with native Windows client) working fine in a sense. My windows client's local IP is 192.168.10.11 , so its local network is: 192.168.10.x The Remote VPN server is behind a router ...
0
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2answers
20 views

during snapshot merging… are deleted transactions ignored?

If i take a snapshot in vmware/vbox for example and soon after i delete a 5GB file.. the snapshot delta file will grow +5GB with the deleted files content to allow it to be recovered by restoring the ...
0
votes
1answer
24 views

Vmware ESX 5.1- Consolidate a VM

One of my virtual machines needs consolidation. If I start Consolidation, will my vm be unaivalable, or it will continue to work and do the consolidation in the background? thank you in advance for ...
0
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0answers
19 views

Systems freezes + Memory issues

I have a Hyper-V 2012 R2 server and increased its RAM to 32GB from 16GB. (for a small business). 1-2 months after the upgrade the system started to freeze seemingly randomly. Whether it was posting ...
0
votes
1answer
36 views

FreeBSD10 resize virtual server image to smaller partition

I have a VPS on the new Vultr system and I am noticing that they do not have pv-grub ready and available which makes my dilemma even more interesting. I have a 40gig image I need to migrate to a 15 ...
0
votes
1answer
18 views

How to P2V a RAIDed IBM Netfinity 7100 W2000 server

I have a legacy machine from IBM (A Netfinity 7100) running a Windows 2000 SP4 server OS. We are trying to move it to a virtual environment (KVM under Linux) to decommission this old, costly hardware. ...
1
vote
1answer
33 views

Vios x LPAR Clients - SEA relationship

I am developing a script to list all SEA adapters in a VIOs, their related physical, virtual adapters, along with their status and VLAN TAG ids. I wish to include on this script the VIO clients ...
0
votes
1answer
18 views

Can I install Backup Exec in a guest

We want to have a single physical machine as host, having several guests. One of the backup solutions we're considering is using Backup Exec to backup to external disks or tape, having Backup Exec ...
0
votes
0answers
17 views

how to create virtual private server in openVZ with two physical interfaces

I have couple of queries What are the possible ways to create a virtual private server with two physical interfaces(eth0 and eth1) in openVZ? if not how it should be achieved ? vzctl set 101 ...
0
votes
1answer
34 views

KVM bridged network cannot connect to the server

I installed KVM on my Ubuntu Server 14.04 LTS on OVH dedicated server. I cannot connect to my virtual host over ssh. My server IP: AAA.AAA.AAA.AAA My Failover IP: BBB.BBB.BBB.BBB My config on the ...
0
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0answers
108 views

Hyper-V Internal/Private vSwitch Traffic

The problem: I am unable to get traffic between a Hyper-V host and it's VM to utilize an internal virtual switch while an external virtual switch is also connected. Currently running a single Win2012 ...
0
votes
1answer
61 views

Cluster vs Virtualization [closed]

I’m working in releasing a video hosting website (files are from webcams) Each file size will be less than 1 mb. I would like to be able to easily extend my storage capacity and have high ...
0
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0answers
14 views

Prevent container from shutting down at console exit

As the manual clearly states, an LXC container automatically destroys (shuts down) itself when you exit the console. However, we're using these machines as servers (sshd, sometimes apache, ...) and I ...
-2
votes
1answer
85 views

Error when trying to install Ubuntu 14.10 Hyper-v VM from Virtual DVD .iso [closed]

I'm trying to install a Hyper-v Gen 2 Ubuntu 14.10 Virtual Machine via a DVD .iso that I have attached as a virtual DVD on my Windows Server 2012 R2 First, two things that I know will be asked: ...
-3
votes
0answers
23 views

Ways to “paste” code to a VM Linux Virtual Terminal

as most of you probably know, a desktop-enviroment-less Linux Server Distro doesn't have a clipboard that VMware can use as the clipboard is part of X (i believe) and thus not available. I wonder ...
2
votes
1answer
39 views

LinuxContainers arch-linux double login tty

Since upgrading to LXC 1.0 with the new Arch Linux template when I create a new instance I have a double tty when invoking: lxc-console --name <container> This is the output: Arch Linux ...
0
votes
1answer
115 views

How can I configure multiple tap interfaces for a single KVM virtual machine

I am trying to setup a VM using Linux KVM for a F5 BIG-IP VE deployment (used in a lab) ...
0
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0answers
19 views

What is the maximum number of VM which can be used for a single baseimage? [duplicate]

In my current project I am using KVM hypervisor and qcow2 as a base image. On that base image I am creating many VMs, say 100s of VMs. So, my question is that will that baseimage be a bottleneck for ...
0
votes
1answer
42 views

Cannot Properly Manage Server 2012 r2 Hyper V Core

http://i.stack.imgur.com/hYak5.jpg I have just installed the Hyper V 2012 r2 Core system. I was able to name it, add it to the domain, even RDP into it (which is just worthless). However, When I ...
4
votes
2answers
93 views

How to interpret values of Perfmon counter Hyper-V Hypervisor Virtual processor\CPU Wait time per dispatch

So there is a lot of guidance on the web that advises tracking the values of the Perfmon counter Hyper-V Hypervisor Virtual processor\CPU Wait time per dispatch as the nearest Hyper-V equivalent of ...
0
votes
1answer
82 views

Newbie to KVM/oVirt/ovs looking for clarity

I have some experience with vSphere, but am looking to get up and running with KVM. I've been looking at using oVirt as a VCenter type manager but, being new to all things ...
1
vote
0answers
106 views

Access to equally defined VM in different VLANs

I have a working libvirt cluster and in order to perform some paralellization I have duplicated it. At the moment my scenario looks like this: two clusters whose VM definitions are exactly the same, ...
0
votes
0answers
111 views

Backup KVM running machine safely

I read some solutions to make backups of running VMs, but all take offline snapshots that seems difficult that will work if the VM has high I/O load. I have tested but i have doubts about the process ...
0
votes
0answers
72 views

OpenVZ container doesn't start, “unable to read inode block”

I'm having some problems with OpenVZ/Ploop. Installed OpenVZ on a brand new thinkserver today. My /vz/ partition is ~5.2 TB large (4x2TB RAID 5). When I try to create/start containers ploop fails with ...
0
votes
0answers
21 views

VHD to physical disk conversion failed

We have had a happy HyperV running with several VMs until motherboard crashed. On another MB we had to install a new OS, of course HyperV does not see VMs. Tried to use VHD2Disk using a blank ...
1
vote
2answers
35 views

Nginx: possible to use SSL certificates from different authorities on one IP address?

I'd like to know if it's possible to have two Nginx virtual hosts sitting on the same v4 IP address. I know there exist SNI but I have two basic (no SAN, no wildcard) SSL certificates from two ...
1
vote
1answer
113 views

Create a local cluster with Vagrant/CoreOS/Docker

I'm trying to create a local environment for testing purpose composed of: a Vagrant CoreOS Cluster (3 nodes) a Docker container launched with an Nginx image loaded, launched on one node I've ...
0
votes
1answer
43 views

Hyper-v number of Virtual Processor (Virtual CPU) on Virtual Machine

VMware world recommends that you only add one Virtual CPU on each Virtual Machine unless that your application requires detect more than one CPU. Does this recommendation could be applied on ...
2
votes
0answers
64 views

Debian does not shut down interface with ip link set … down

I have a really specific question for a trunk-testing environment. I have this network setup: +------------+ +------------+ | | +-----+ | | | eth0 ...
0
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0answers
52 views

Xen server on hetzner with two public up and local virtual network

I use Xen server on my office with a Dell t310 with only one public ip. The public ip is assigned to the router that forward ports to a guestos running endian firewall that route traffic to an apache ...
2
votes
2answers
63 views

How to measure boot time of a VM from host machine?

On both Guest machine and host machine, I am using Ubuntu 12.04. As a hypervisor I am using KVM. I want to perform some experiments related to boot-storm and I have created all other scripts to ...
0
votes
0answers
26 views

No connectivity between azure VMs

In my azure environment, I have 4 VMsx running Windows Server 2012 R2 10.0.0.4 (AD, DNS) 10.0.0.5 (ADFS) 10.0.0.6 (MSSQLSERVER) 10.0.0.7 (IIS) All of the machines are connected by an azure virtual ...
0
votes
2answers
40 views

Multiple IP addresses on host and one on kvm

I've recently configured my network using advice from this question but now I need to configure this a little different. I'm using Debian distribution. I have one dedicated server with 3 IP addresses ...
3
votes
1answer
266 views

Can vSphere PowerCLI cmdlets execute from a PS1 file?

I'm looking to write an admin script that will: Delete a VM from vSphere Delete the VM's DNS entry Release the VM's IP address with our Windows DHCP server I can accomplish the first item via ...