A virtual machine (VM) is a completely isolated guest operating system installation within a normal host operating system. It is a software implementation of a machine (i.e. a computer) that executes programs like a physical machine.

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2answers
87 views

Automate Windows update on multiple Virtual servers

hope you guys can help. I work for a tech support company that manages servers for many clients in a virtual environment. We personally host about half the clients, while the others have onsite ...
0
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2answers
67 views

Nginx - Caching/processing of data when uploading a file over a reverse proxy

I am running multiple Virtual Machines (Proxmox) which each have limited storage amounts. As I am also running a File-Uploading service, I am interested if a Reverse Proxy needs more than 30GB of ...
0
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0answers
15 views

Access Xenserver virtual machine in lan

I have created two virtual machines from xen server. both vm are Ubuntu server. I have hosted a application in one of the vm. It works fine. But I dont know how to access that application from other ...
0
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0answers
166 views

XenServer 6.2 VM Performance (SSD, RAID-10, Quad-core)

Greetings everyone :) My configuration is the following: HP C3000 tower enclosure 1st HP Proliant BL460 G1 quad core xeon 2.66GHz 12MB L2 cache, 24GB RAM, BIOS I15 5/2/2011 partnered with HP ...
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0answers
62 views

Linux / Proxmox KVM machine boots unreliable after migrating to other server

I have a KVM VM running on a Proxmox 2.3 server. The Guest OS inside the KVM machine is an Ubuntu 12.04 LTS 64 bit. I took a consistent backup of the VM (Proxmox VE backup function) and restored the ...
1
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2answers
110 views

Azure VM instance IP firewall

I assigned an instance-level IP address to my Azure VM. I then configured the SSH "endpoint" from the Azure portal and defined a deny-all policy. However, this policy seems to only affect the cloud ...
1
vote
1answer
169 views

HTTP & HTTPS Apache redirect to internal IP Virtual Machine

Here's my basic setup: Router forwarding port's 80 and 443 to Ubuntu Server 14.04 running apache. Works great. Running several virtual machines (QEMU/KVM) on Ubuntu server. VM's are in bridged mode ...
0
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1answer
541 views

Cloning Virtual Machine On Azure, keeping existing

There doesn't seem to be a straight answer online about this. I have an existing Virtual Machine on Azure and I want to clone it to another region in case my existing server goes down. It needs to be ...
0
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2answers
41 views

How to migrate a Hyper-V VM from a Desktop PC to a Hyper-V cluster?

Migrating a VM with VMware is easy, from a Workstation to vSphere cluster it can be done with a VMware Converter. I have little experience with Hyper-V though. There is a VM on a Hyper-V on Windows 8....
0
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1answer
129 views

Azure : VM fails to connect after being promoted as domain controller

I have few VMs provisioned on Azure, one of them acts as a read only domain controller replicating from a in house domain controller through site-to-site VPN. The problem is every time I create a VM, ...
2
votes
2answers
64 views

Azure Red Hat VM

I see lots of stuff in the news about Red Hat partnering with MS Azure, and articles seem to indicate you can fire up a Red Hat VM on Azure now. But when I go to create a new VM, I can't find Red Hat ...
0
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1answer
108 views

Azure custom CentOS Image shows “Running (provisioning timed out)”

I created a VM using the standard CentOS 7.1 image in the Azure gallery. I generalized it and captured it as a base image for future deployments. However, once I spin up a VM using this image, the ...
0
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1answer
63 views

Forgot to run Sysprep before migrating a VM to a new Azure account

I've been tasked with migrating our VMs from our old Azure Account to our new one. I knew nothing about anything when I started the process a few days ago. I decided the best thing to do was take it ...
0
votes
1answer
272 views

can't Map Network Drive on Windows 7 desktop to Azure VM Windows server 2012 drive C

On Azure VM I set C: properties to share C for my account (username and pw on both my Windows 7 desktop and my Azure Windows VM). Then, on Windows 7 desktop I do Map Network Driver setting Folder: to ...
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votes
3answers
69 views

Replace public DNS with domain on linux server [closed]

I have a web app running on apache2 at my Ubuntu linux AWS virtual machine, which is currently accessible by an internal amazon sub-domain (like 'ec2-99-99-999-9999.compute-1.amazonaws.com:8080). I ...
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votes
1answer
36 views

Retrieve host info from a VM [closed]

I know we are able to know if we are in a virtual machine. But i'm wondering if we can gether informations about host from a vm (ip, mac, os, ...). Another question: if we do an http request from the ...
0
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2answers
132 views

Can't install Solaris 10 on XenServer 6.5 VM

I have XenServer 6.5 installed on a server, and i have been trying to install Solaris 10 on a VM, it just get into the boot screen of the installation ISO, i proceed with ENTER and then this message ...
0
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4answers
464 views

Azure : Script to start or shut down multiple VMs

Is it possible to write and save some kind of script that launches azure powershell, then authenticate azure subscription then start/shutdown multiple VMs in one step? I have 5 VMs that I use ...
2
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0answers
40 views

Converting virtual drives from .vmdk to .vhdx produces huge files

I'm using powershell and ConvertTo-MvmcVirtualHardDisk cmdlet to convert .vmdk disks into .vhdx disks to be able to run them in our hyper-v environment. For some reason, the .vhdx files produced are ...
0
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0answers
19 views

Error create VM in Glance in centos-7

I'm facing an issue while installing a VM in Glance-Openstack. Here it is [root@parkst ~(keystone)]# virt-install \ --name centos7 \ --ram 2048 \ --disk path=/var/kvm/images/centos7.img,format=qcow2 ...
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0answers
72 views

Authentication error in openStack's Horizon dashboard

I'm trying to setup an openStack controller from a VirtualBox VM. My VirtualBox host is Windows 10 and the guest is Ubuntu Server 14. The guest should (someday) function as an openStack controller, ...
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1answer
107 views

Azure Windows Virtual Machine with Different Language Version

I am trying to figure out how to create a new VM in Azure using and Italian version of Windows. I was successfully able to create an English VM and install the Italian language pack as this question ...
0
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1answer
142 views

FileZilla FTPS on Azure VM [duplicate]

I'm looking for how to get FTPS working properly via FileZilla Server on an Azure VM running Windows 2012. I've opened port 990 and configured FTP over TLS in FileZilla. I have opened port 990 in ...
0
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0answers
24 views

How many virtual machines are hosted on a server? [duplicate]

everyone! I have a question, I have a server Dell M910 with four processors Xeon X7550 8x2Hz) and a lot of memory (128 Gbs per server). I want to host virtial machines on the base of Xen. How many vms ...
2
votes
2answers
497 views

KVM top shows high CPU load on host for windows7 guest though windows is on idle

we have an virtualization environment with actually 4 VMs (2 x linux, 1 x w2k3, 1 x win7). In the host system (Debian Jessie) top always shows a CPU load of 30-70% (or more) for the qemu process of ...
0
votes
1answer
67 views

How to create a Pre-Installed Windows 7 VHD [closed]

I am new into the world of servers. I was just working around creating a Windows 7 X64 Bootable VHD. Since my job profile makes me create windows 7 VMs every now and then, I want a pre-installed ...
1
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2answers
248 views

KVM: Need multiple Virtual Machines to share a VLAN'ed interface

I'm not sure how to configure my Linux server which has a single VLAN'ed interface to support a number of Virtual machines which I want to bridge to my network (so that all their services appear to ...
1
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1answer
99 views

I could add an account to Citrix Receiver in Ubuntu but I can't start it

I just installed successfully Citrix Receiver in Ubuntu 14.04 64 bits by following these instructions https://help.ubuntu.com/community/CitrixICAClientHowTo. I added the same account which I am using ...
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votes
1answer
705 views

VMware ESXi 5.5 black screen on all guests after services.sh restart

I'm using VMware ESXi 5.5.0 1331820 with a eight Windows guests. Sometimes I can't connect anymore via vSphere Client to the host. A restart of the hostd and vpxa doesn't resolve the problem. So, I ...
0
votes
1answer
73 views

Azure Web Apps With Java, MySql, Filesystem

Some background is I currently have a VM deployed on Azure. On the VM I have 3 java web applications running on a Tomcat server. Each are integrated in some way or another. They all run on the same ...
4
votes
1answer
55 views

How do I disable the automatic datetime in an azure virtual machine?

I want to be able to change the date and time on my vm to dates in the past. Every time I change it, it automatically changes back because of this setting. Unfortunately I cannot change it because it ...
1
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0answers
125 views

xinetd service is up but not listening on port 23

I am trying to open a telnet connection from a Wheezy VM to a router in GNS3 but even though the ping is successful, I am unable to open a telnet connection from the VM to any of the routers. the ...
0
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0answers
17 views

Database on Virtual Machine getting corrupt

Primary Domain Controller - Windows Server 2008 R2 Standard (installed on Physical Server) Secondary Domain Controller - Windows Server 2008 R2 Standard (installed on Virtual Machine i.e Vmware EXSi ...
0
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1answer
50 views

CPU Load on Virtual Machine

This picture shows the CPU Usage of a Debian 8 installation running on a Virtual Machine (VMWare ESXi). I'm wondering about two things here Why doesn't the usage sum up to 200% (the virtual machine ...
0
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0answers
68 views

Windows VM wont boot up after update on Google compute

I have a Windows Server 2012 R2 on GCE and I have few applications running on it already. Unfortunately I selected some updates from Microsoft, after update it restarted and now I can’t boot it up, ...
0
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1answer
34 views

IBM PowerVM LPAR shows 16cpu despite 4 cpu allocation

Environment: IBM PowerVM 8 IOS version 2.2.3.50 When I create an LPAR (Virtual Machine), I allocate 4 shared CPU's. I then install Redhat 6.6 p64. Nproc shows 16 CPUs. On a different machine, I ...
0
votes
2answers
145 views

Is it documented anywhere that adding a disk to a Azure VM causes an unconditional reboot?

I've noticed that adding a new disk to an Ubuntu 14.04 VM running on Azure, caused an unconditional reboot of the Azure VM. When I added a second disk, the VM wasn't rebooted, but the first disk was ...
0
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1answer
1k views

Azure VM ping and telnet not working

I have an azure VM (resource manager) on the new portal running windows server 2012 r2 with HPC with a public IP, Currently i can login to the VM using a remote desktop client but i cannot ping myself ...
0
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0answers
23 views

Virtual Machine Dig Connection timed no servers could be reached

I have been following this tutorial on how to set up a DNS and DCHP server but am running into some errors which my client. I am trying to set this up on a virtual machine. I am trying to test the ...
0
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0answers
52 views

Manage KVM and or XEN Server from Windows

I cant seem to find a way to mange my KVM and XEN Server from a Windows machine. Is there really no way except a remote desktop connection?
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votes
1answer
121 views

1 NIC and 2 different IP on 2 VM on VMWARE [closed]

I have a test server which has single NIC and I have 2 VM on that server. What i need to do is assigning different IP address to those VM. So the host is located at 192.168.100.67. would that be ...
2
votes
0answers
71 views

How to determine the VM limits thresholds on CPU limit from inside a VM or VPS

I was asked to recently to verify that a purchased VM , was provisioned with the appropriate compute from a hosting company. I suspect they are throttling the machines access to the cpu at 8% or 10% ...
1
vote
0answers
112 views

How to add a serial port to a Windows 7 guest VM using Xen server 6.5?

We wonder how to add a SERIAL PORT (COM2) into a guest HPVM Windows 7 64 bits in a xen server 6.5 bare metal hypervisor. We have some clients connecting through RDP v8.1 (from Win7-64 to Win7-64) ...
0
votes
2answers
93 views

Azure VM going cold when unused?

My virtual machines usually have nothing to do between 7pm until midnight when they reschedule a lot of work for the rest of the day. The scheduling starts with fetching a list of tasks and times from ...
0
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0answers
73 views

Unable to assign an ip address to a virtual machine created from oracle vm manager 3.3.3 x86_64 bit

I'm pretty new to the Oracle vm manager and server x86_64 and still trying hard to understand the concepts. I was able to setup the server pool >>discover the server and assign to the pool>> create a ...
1
vote
3answers
1k views

ESX 5.5 with enterprise plus license but can not add more than 32 vcpu per vm

I have 40 available logical processors but can not allow vms to have more than 32 vcpus? what is wrong? how to fix this?
0
votes
0answers
120 views

How do I fix “error:file'/boot/grub/i386-pc/normal.mod'not found” on an azure VM?

So I posted this question earlier (Azure Ubuntu VM is completely unresponsive after security patches and restart) which I was able to use to successfully detect the problem. I seem to be getting this ...
2
votes
3answers
256 views

Azure Ubuntu VM is completely unresponsive after security patches and restart

I have an Azure VM where I host a number of websites. Recently, I logged in and it needed some security updates so according to this link (http://askubuntu.com/questions/196768/how-to-install-updates-...
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2answers
168 views

VM migration and IP address

When a VM offering a service is migrated to a different server is it an important requirement from the client applications point of view to retain the same IP the VM had before ? For long lived TCP ...
1
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1answer
84 views

hosting a webapp in azure VM with windows server

Problem: I have an azure webapp running and i would like to transfer it to an azure VM since the webapp needs to be integrated to payment platform which require testing of network connectivity between ...