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.

learn more… | top users | synonyms (3)

3
votes
1answer
796 views

SSH painfully slow on my local network?

I have a CentOS 6-x64 Server running through VirtualBox on Windows Server 2012R2, but whenever I SSH into it, it's painfully slow. This happens for both Putty on Windows, and SSH on OS X. I've read ...
0
votes
0answers
17 views

Hyper-V dedicate network adapter to 1 VM

I have one windows server, 2 network adapters, 2 public IPs and I want to route/port redirect each IP to one of VMs (so I can host on :80) At the same time I want to partially use one of the IPs to ...
0
votes
0answers
4 views

Connection Refused on Host OSX 127.0.0.1:3000 for Vagrant/VirtualBox/nginx Rails App [migrated]

The Rails application is running on port 3000: $ bundle exec rails server -b 0.0.0.0 => Booting Unicorn => Rails 3.2.21 application starting in development on http://0.0.0.0:3000 => Call ...
0
votes
1answer
18 views

Can't increase the virtual drive size any more?

Please see attached picture, This is exchange server and I have 3 virtual hard drives, each of them can't not be increased any more, any idea why and how to fix this?
0
votes
0answers
10 views

Docker + VPN LAN to LAN

We just migrated our applications to a Docker environment. I have many containers running my Python Application in my VM. (4 containers per VM). This is a multi-tenant application. This application ...
-2
votes
0answers
8 views

RHEL6 vm image size increasing its size automatically? [on hold]

Surprisingly the rhel vm image size is getting increased everyday by 100 mb automatically. We are finding the root cause of auto increase of size. Are there any options to be set..? Can any one ...
2
votes
2answers
468 views

Can't use ctrl+c to kill process in VM

We are running several RHEL 6 64-bit VM's in a vBlock infrastructure using vCenter 5.5. If I open a console session through the vSphere web client the ctrl+c keystroke will not work. This is very ...
2
votes
1answer
5k views

Vagrant not ready for SSH error on VirtualBox and Laravel Homestead

Vagrant Version: 1.6.3 VirtualBox: 4.3.14 Ubuntu 14.04 LTS 64 Bit Hey Guys, I have been on this for a pretty good while now and cannot figure this out. I have my public and private keys setup and ...
0
votes
0answers
21 views

Keyboard input not accepted [on hold]

I'm working on teaching myself about servers and network administration and such in hopes of a career change as I develop my skill set. I figured a good way to start was to develop my own home ...
0
votes
0answers
13 views

cloned vm on desktops for local access

forgive me if I'm in the wrong area, but here is my situation. I manage IT for 2 small private computer college campuses. We have 6-10 Desktop computers specifically set aside for students to learn ...
-2
votes
1answer
70 views

What incident may happen that stops a VM on Azure?

We were hosting a Website and a CMS at an external supplier. They told us that they host everything on Microsoft Azure. Yesterday I saw that my website was down and contacted them. Later that day they ...
-1
votes
0answers
12 views

Connection VM Workstation to the Router/Switch [closed]

Newly I started to work with GNS3 and now I'm preparing this topology to configure SYSLOGs, APACHE, FW and etc.. but there's a problem when I'm going to connect Ubuntu 64-bits to the Switch or Router, ...
2
votes
1answer
17 views

Remote Desktop Can't Connect to Cloned VM

I've got a Windows 2012 Server VM that I've cloned from another VM. I've done the following: Right-Clicked on "This Computer" -> Properties -> Remote Settings and checked "Allowed Remote ...
1
vote
1answer
41 views

Azure SQL Express 2014 VM: Cannot update/patch SQL Express

I created a VM using the standard Azure image "SQL Server 2014 SP1 Express on Windows Server 2012 R2". I immediately ran Windows Update and all patches for the server worked but the Security Update ...
2
votes
2answers
6k views

How do I get a network interface up in rhel 7?

I was given a rhel7 vmware template to use for provisioning rhel 7 test environments. When I created my vm, it booted up fine except that my network interface doesn't seem to come up. If I type ...
2
votes
0answers
388 views

“The location constraint is not valid” When Creating Azure VM

I've just signed up for an Azure account to test it out as a possible hosting solution, but when I try and create a VM from the VM Depot I seem to get the error "The location constraint is not valid", ...
-1
votes
0answers
6 views

What happens with the local virtual machine when I shutdown my PC [migrated]

I have an Hyper-V virtual machine running on my PC and I'm in the middle of an installation wizard. but I have to shutdown my PC where the Hyper-V is running. My question is, what happens with the ...
0
votes
1answer
1k views

creating site collections using SharePoint management shell 2013

I am creating Site Collections for Testing SharePoint. I am using Host Named Site Collection to do that instead of the path based site collection addressing. For that Got a reference to the HNSC ...
0
votes
1answer
12 views

KVM Guest not powering back on

I have recently setup a homelab with a KVM hypervisor: qemu-kvm-1.5.3-105.el7_2.3.x86_64 libvirt-1.2.17-13.el7_2.4.x86_64 I have almost everything working the way I want it (networking/vnc), but ...
6
votes
1answer
4k views

How to use more than 3 virtual disks in Linux using CentOS and XenServer

I've attached 5 virtual disks to a Virtual Machine in Citrix XenServer. The VM has the xs-tools installed. Initially it said that it couldn't add so many disks. After I installed the xs-tools, it ...
6
votes
6answers
7k views

Rsync Remote to Remote

I'm looking for a solution for using rsync between 2 remote servers. It seems like its not possible. Does any one know why its not possible? I ask that because I think if I know the reason, maybe I ...
1
vote
1answer
1k views

Removing a cloned virtual machine from an AD domain

Scenario: we're in the process of setting up central virtualised server that acts as a demonstration environment. This VM (running Windows 7) will be cloned and put on sales laptops so demonstrations ...
1
vote
1answer
40 views

Debugging why network packets are being dropped

Preface: I have an application that I am currently testing out that runs on RHEL 6. The setup for my test is the application installed on a embedded device, connected by an Ethernet cable to PC that ...
0
votes
0answers
9 views

Can I setup unique Site-to-Site VPN's to individual VM's on a Physical Server that's behind a NAT at a site with one Static Wan address?

That was a long title, but hear me out. What i'm attempting (or hoping) to do, is setup a server at our office that runs multiple VM's and then have a site to site vpn from each of our clients' site's ...
0
votes
0answers
11 views

Cant get multicast to work across VLANs using pfsense router

I have a pfsense router as a VM on hyper-v, on which I have configured multiple VLANs. I have an application on VLAN1 (10.60.1.0/26) which multicasts to multiple VMs on another VLAN2(10.70.1.0/26). ...
0
votes
2answers
18 views

How can I Persist connections to Microsoft Azure Files for all the users?

I have created file share in azure and mapped it to Virtual Machine entitled VM_01. I have used CmdKey command to persist the credentials. C:\>cmdkey ...
8
votes
1answer
9k views

Renaming an Azure VM

I am looking to rename an Azure VM. I have copied a VM from one subscription to another using this guide: ...
0
votes
1answer
1k views

VMware Restart — Blank Screen

I am running VMWare Server on a Windows 2K8 server. I was wondering what the default behavior is for a restart or shutdown initiated from within the virtual host? Currently, when I restart the virtual ...
1
vote
2answers
2k views

No Ping/Telnet connection between VM

I am new in Azure and have one problem which I can not solve. I tried asking on StackOverflow, but - quoting - "You will have better luck asking on ServerFault". I want several Virtual Machines to ...
1
vote
0answers
34 views

Hyper-V Ubuntu can't connect to internet via external network adapter if it also has an internal network adapter [migrated]

I have an Ubuntu 14.04 Server running as a Hyper-V VM. It has an external virtual adapter and an internal virtual adapter connected to it. The external adapter eth0 gets an ip from 192.168.1.x ...
0
votes
3answers
860 views

Backing up Zimbra ZCS

I am curious of what to do as far as backing up my Zimbra ZCS server I am testing for my company. I am running the open source edition so I am not able to do a hot backup of Zimbra, I would have to ...
0
votes
2answers
2k views

How can I ssh into a vagrant virtualbox VM from an external machine?

I'm trying to set up a server on my desktop with vagrant, but while I can ssh (via PuTTY) into the VM at localhost:2222, I can't ssh into it via my local or public IP addresses - even though I have ...
0
votes
0answers
29 views

KVM/QEMU Connecting guests only to other guests

Heyho guys, I have one host machine with multiple VMs on it. Their gateway is the host machine (which is doing some NAT etc.). There's one bridge at the host machine and a default virtual network ...
1
vote
0answers
23 views

Export OVF fails with “File not found” error

Good morning/afternoon/evening all: I am having an issue with a single Virtual machine when it comes to exporting an OVA/OVF. I recieve a "File not found" error that appears to be pointing in the ...
0
votes
2answers
34 views

KVM - Access from an external computer to the Virtual Machine

I have the following setup: Notebook (IP: 192.168.1.100) Host: (IP:192.168.1.129) Both Notebook and Host are connected to a router (Internet IP:192.168.1.1)¨ The host (Host) has two virtual ...
1
vote
2answers
1k views

How to install APC on a vagrant box running Ubuntu 12.04 with PHP 5.4?

In my "Vagrant" file I have this line: chef.add_recipe("php::module_apc") But it gives me this error: [2013-01-11T22:14:53+00:00] INFO: Processing package[php-apc] action install (php::module_apc ...
2
votes
3answers
1k views

How do you set an availability set for an existing VM in azure?

I am using the new Resource Manager type of virtual machine. Now I need to add this into a load balancer (already configured) but I can't find how to assign this VM into the Availability Set so I ...
0
votes
1answer
37 views

Connect VM to VPN

I am trying to connect my Linux virtual machine(VM) to my corporate VPN via Google Compute Engine. I can make this work on my own Ubuntu computer following this tutorial: ...
1
vote
1answer
95 views

How to determine sysprep status

I have a requirement to be able to determine how far Windows is through a sysprep sequence. After running sysprep /generalize we are creating an image of the OS which is then being used to create ...
1
vote
0answers
18 views

Hyper-V Style Hypervisor for Ubuntu [closed]

I've got an Ubuntu server running a few things, and I'd like to add FreePBX to it. I don't want to reconfigure/reinstall my current Ubuntu installation just so I can run a Type-1 hypervisor like Xen ...
0
votes
1answer
26 views

Can't setup mail server on Azure Virtual Machine with ARM

I just moved my class VM server to the new VM in Azure but I am having trouble doing a reverse DNS on the VM. Speaking with Azure they sent me this link below. Are they telling me I can't even host ...
0
votes
1answer
30 views

Bridging of Internal Network in KVM

I am working on a project regarding deployment of VMs as internal network, which should be accessible from external LAN, in KVM. I am stuck in bridging these virtual machines. My setup consists of ...
0
votes
0answers
16 views

How to configure libvirt to allow console access

I was able to run a Raspbian image with libvirt using this XML configuration file. I can SSH into the VM just fine, but when viewing the "console" with the virt-manager GUI, I never get a login ...
0
votes
1answer
3k views

Cannot SSH to Azure Linux VM from terminal

ssh azureuser@xxx.cloudapp.net : 22 when I connect and enter the password I created, then it just goes back to the local prompt and does not actually show the remote prompt. I'm thinking I need to ...
3
votes
1answer
1k views

Most VMS refuse to start

Setup: Virtual Host, running server 2012, hosting around 10 production VMs Problem: Last night, 2 VMs stopped with no warning, event log notification, or any information. The rest of the VMs on this ...
0
votes
1answer
1k views

The application encountered an error while attempting to change the state of Virtual Machine over windows server 2008 R2 sp1 host

I had to shut down my VM on the Hyper V host and when i tried to start it again. i started to have this Error Application error when you attempt to change the status of Svv-Log01 Did anyone face this ...
0
votes
0answers
21 views

Building my first server, some questions, include failover iis to active loadbalancer?

I'm currently building my first webserver setup. The specs will be: Server-1 cpu: 6700k ram: 32gb 2133mhz hd1: 250gb SSD (540/520MB/s) hd2: 3x 256gb NVME RAID-5 (2.150/1.260MB/s) Physical Server: ...
3
votes
2answers
875 views

How can I keep important VMs in memory without disabling swap?

VM Host -> Xenon E5-2440 w/ 48G mem... Everything runs CentOS6.5 (2.6.32-431) I have 4 guest VMs running each w/ 2G of memory. Their disk images are local files. The host machine is also running a ...
0
votes
1answer
19 views

Error Assigning Availability Set To Virtual Machine In Different Regions

Am I allowed to assign an availability set in East US 2 to a Azure VM in Central US. I am getting this error below but the Availability set does exist in East US 2. { "error": { "code": ...
0
votes
1answer
28 views

Azure OS Disk says Standard but VM is Premium Disk

I created a VM with premiums storage (DS), but my existing VHD I created it from was on a standard disk. Is this VM still considered premium performance even though the disk says Standard where the ...