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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13 views

Jetbrains team products + out of memory

I am trying to build an Ubuntu server 15.10 VM with all the software tooling required for software development. When I saw that Jetbrains offers various tools like: hub, youtrack, teamcity and ...
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39 views

What caused the reboot of this linux VM?

So here is the code of a normal reboot of my vm: Feb 5 00:17:46 desktopallianceada systemd[1]: Stopping Disk Manager... Feb 5 00:17:46 desktopallianceada systemd[1]: Stopping Session c10 of user ...
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0answers
17 views

How do I properly configure KVM

I have a remote dedicated server on which I have installed KVM. When trying to create my first virtual machine I am unable to ssh to the machine. I assumed that I needed another ip address so I ...
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0answers
20 views

VMware to run virtual web servers for small production environment? [on hold]

I am thinking about making my own small server to experiment with, but I want to run multiple OS's with each having a web server running at the same time. Can this be accomplished using VMWare on a ...
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1answer
15 views

Azure VM Unwanted User-Agent Filtering/Blocking

I recently migrated our WP site to a Debian 8 VM running on Azure. Since then, we are unable to process credit card payments through the RedSys payment gateway. It seems that upon successful payment, ...
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1answer
34 views

Implications of increasing physical ram of VM

I have a Centos7 VM running under VMware and I'm considering increasing virtual memory in the Centos VM. Currently my VM has 8GB of virtual memory, 6GB of swap and using 0 swap right now. I am ...
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0answers
5 views

Docker images do not show up anymore [closed]

Running $ docker images used to list several downloaded images, but after successfully pulling another image by $ docker pull golang it does not show anything: $ docker images REPOSITORY ...
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0answers
22 views

IP Address and Dom0 IP Address

What is the difference between normal IP address and Dom0 IP address? As far as I read so far, Dom0 IP is associated with VMs instances but I want to know if it there is a subtle difference here.
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1answer
26 views

Is it a good a idea to create a fake raid 1 for guest on ESXi?

I have an old server with software raid and I would like to install ESXi with 2 hard disks. I have read that I can install a guest (i.e. Ubuntu Server) and add two hard disks in different datastores ...
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2answers
56 views

Azure Virtual Machine can't serve websites

I am unable to get an Azure VM running Windows Server 2012 to serve up the IIS default website from it's public static IP. Created a VM running Win Server 2012 R2 and installed web server role. ...
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1answer
24 views

URL incorrectly redirecting to other site hosted on same server (nginx)

I have an Ubuntu VM running nginx that I'm part way through configuring for SSL. I've defined some custom local domains that I use for development, stored in my hosts file (on the host machine, which ...
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2answers
28 views

sharing resources between virtual machines

After some extensive searching I couldn't find the answer to my question. I'm sorry if this is obvious or not, but I just need to know. I have a server with verry low resources, 2gb of ram and 2 ...
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0answers
6 views

Cisco VWLC redirect page without authentication, radius or dhcp?

I have a virtual Cisco CMX sytem for the tracking of customers in a smalland a virtual Wireless Lan Controller also from cisco, in it's webconfigure I can choose for it to redirect to a webpage we ...
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0answers
10 views

Bridged qemu machine cannot receive packets, these are dropped [migrated]

I've created virtual machine (ppc) with bridged interface (using bridge helper) on archlinux. Machine can send packet out, but cannot receive anything. I can see packets (dhcp discover,request and/or ...
0
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0answers
4 views

Hyper-V configure with internet [migrated]

I am using Hyper-V to create some Windows server 2012 R2 virtual machines. All was good until I found I could not access the internet in the virtual machine and now I am stuck. Where I am at ...
0
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1answer
16 views

azure vms aren't communicating anymore

This is very weird. I have 2 vms: a Windows 2012 SP1 VM (with AD role) and a Ubuntu Server 14.04 LTS. They share the same vnet, that is 192.168.99.x (same region, same resource group, same vnet, same ...
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1answer
20 views

Azure VM Subdomain

I have an Azure VM and I've pointed it with my domain. I wish to know if it is possible to create a subdomain that points to a new site on the same VM PS - It is a Windows server 2012 and I use IIS.
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2answers
39 views

CentOS 7.2 Azure VM - MariaDB/Apache killing memory

I have an Azure VM with CentOS 7.1, Apache 2.4.6, and MariaDB 5.5. The VM has 2 cores and 3.5 GB RAM. The server is only hosting a small WordPress site with almost no traffic. For the past two days, ...
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2answers
25 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 ...
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0answers
5 views

VBoxManage creating file in wrong directory [migrated]

Hey there I'm using vagrant to set up some test boxes however I don't want any of the files to be on my main disk. I've changed $Vagrant_Home to be off disk however VBoxManage is still creating files ...
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2answers
16 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 ...
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0answers
8 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 ...
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0answers
53 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
22 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 ...
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2answers
36 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 ...
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1answer
34 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 ...
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1answer
27 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 ...
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0answers
3 views

How to reconfigure NAT servers so they are exposed? [migrated]

Here is what I have: Live HTTP server (104.x.x.x) DD-WRT'd wireless router (192.168.2.1 / 8.8.8.8 DNS server) Win 8 Notebook PC (192.168.2.100) VMWare BIND DNS server (192.168.3.108 / NAT on ...
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2answers
35 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 ...
0
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1answer
21 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
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2answers
43 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
18 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 ...
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1answer
37 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
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1answer
115 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
62 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
32 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 ...
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2answers
31 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 ...
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4answers
61 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
19 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 ...
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0answers
9 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
26 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
33 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
45 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
134 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
34 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
vote
2answers
61 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
vote
1answer
35 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
70 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
39 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 ...