Questions tagged [virtual-machines]

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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Azure VM vs Azure for PostgreSQL

I have a PostgreSQL database which is about 200GB. The database is accessed from an application server which sends through, on average, 500 requests (queries) a minute. At the moment it's running on ...
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deploy 100 vm in GCP (with same configuration at same time)

I wanted to deploy the 100 VM for my customer as he want.But i dont want to create the 100 VM manually one by one . i wanted to create those VMs in single time in single click .Please provide the ...
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Giving IIS access to files shared from a mac

I'm relatively new when it comes to network administration, but I have put in many hours of research and effort before asking this question. I know my question is similar to many others, but I don't ...
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Google Cloud VMs has dissapeared

This is my problem. I had payed for 3 VMs on google cloud for 2 years. My service has ended 3 months ago and I couldt renovate that services for budget problems. Nowadays I have the budget and I need ...
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2answers
30 views

Recreating VM in Azure using snapshot, possible complications

I'm going to test something on the VM. If it fails, I want to recreate the VM using a snapshot. What I'm concerned about is if such a process won't change some property in azure. For example, change ...
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Setup Foreign Locale OS

New to building VMs in Azure. I need to build an Italian Locale VM but when I created the VM, I did not find the option of selecting a language. The VM that got built was an en_US locale. Thank you
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137 views

Alternately running VMs with VMware on Windows and KVM in Linux

I plan to set up a virtualized test- and demo environment to show our clients how wonderful some applications can be deployed as containers. To be mobile I plan to use my laptop as the hardware ...
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43 views

I can't use a graphics card on my vm [duplicate]

I can't use a gpu on my vm and it says: Quota 'GPUS_ALL_REGIONS' exceeded. Limit: 0.0 globally all the time and I have premium so how do I fix this?
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Why I can't navigate on Internet or ping external server after that I configured fixed IP on a Linux VM on VmWare?

I am not so into networking and I have the following problem. I installed Kali Linux on VMWare. I am using NAT networking mode. The default networking settings use DHCP to assign the IP address to ...
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What exactly is a TX collision in a context of a VM?

I'm inspecting a problem with a MongoDB replica set reelecting a primary multiple times per minute. It seems that there is something wrong with the network configuration, but I can't nail it down yet. ...
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53 views

Is it possible to have a partial hyperthreading with a Linux System?

I have a server with 2*14 cores with Hyperthreading enabled. This means I have (2*14*2=28*2) 56 vCPUs. [root@supervision1 /]# dmidecode -t 4 | egrep 'Socket Designation|Count' Socket Designation: ...
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233 views

Unable to Start Azure Kali Linux VM - NetworkingInternalOperationError

I am unable to start my Azure Kali Linux VM. The VM was working yesterday and was shutdown yesterday. The Azure console shows it as stopped(deallocated). When I try to start the VM it fails with the ...
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Failed to enable VMware vSphere Fault tolerance for VM with virtual RDM

I am trying to enable FT on a VM that has a virtual RDM disk but whenever I do it I got an error message saying "Device "Hard disk" is raw disk which is not supported" but to the best of my knowledge, ...
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27 views

Virtualize a windows boot partition over smb

I would like to know, if it is possible, to virtualize a windows boot partition from a Linux machine, over smb? I have only access, via the Admin Share C$, from my linux box through samba. I dont ...
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76 views

permission denied publickey using rsync with GCP

I'm trying to connect with rsync to a GCP vm. Whenever I do, I'm getting weird errors related to permissions. I've checked that my username is part of the sudoers group so I can't really see where ...
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168 views

The driver detected a controller error on \Device\Harddisk0\DR0 on a virtual machine

The event in question is generated by a virtual machine. The disk 0 is a scsi connected drive to the virtual machine. The vhdx file is in the hyper-v cluster which has the storage from SAN cluster. ...
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25 views

File changes rollback. Possible faulty disk cache?

I have dozen hard and virtual machines, windows and linux. Sometimes i have strange rollbacks of recently modified files. Linux configuration files can rollback after reboot. On windows some ...
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23 views

Recovered RAID10 after 2 disks failed but VMs unable to boot

Last week I had 2 ssd's fail on my RAID10 array of 4 ssd's. I managed to rebuild the RAID, however then a 3rd ssd failed so had to rebuild that - the end result was that it rebuilt all OK. It is ...
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1answer
40 views

vm is running,DNS is connected no webpage

Sorry, I'm a Noob. My VM's were stopped on GCP. I managed to get 1 VM up and running no problem by restarting it. I have tried to restart the other 2 VM's and they appear to be running but I've got no ...
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52 views

Azure VM Scale Set - Scale In during task

This seems like a basic question but I haven't been able to find an answer googling around. How does scale sets know that a particular VM has finished what it's doing and is able to be de-provisioned?...
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1answer
50 views

Hyper-V cluster migrations / vSAN software

We’re in the process of performing a large physical-layer upgrade with our hypervisors and I am looking for some advice regarding our proposed configuration and VSAN Software. To break things down, ...
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2answers
77 views

No internet in Azure's VM after installation

I've setup VM without public IP, on a VNET with default DNS servers (provided by azure). My network security group allows port 80 and 443 (inbound). I can't access any site in IE once I connect ...
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29 views

Unable to remove invalid VM

After adding an USB controller to a running VM, the VM crashed. In vShpere the VM was marked as (invalid). After some Googling I removed the VM from the inventory, tried to readd the VM, but the ...
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1answer
39 views

Separate LAN/DHCP network for each VM under same Physical NIC

I have a bare metal server with 2 NIC(eth0 and eth1). eth0 is connected to the internet and eth1 for LAN(DHCP must). Now I need multiple servers like that. So I have decided to go for VM. I have ...
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2answers
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Connect two internal networks in one network

I have two servers A and B. Server A with device ens3 and address 10.1.0.171 and server B with device ens3 and address 10.1.0.253. I want to setup on server A and server B networks 10.2.0.0/24, up vm ...
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Guest VM can't reach physical LAN

I've created an Ubuntu VM on hyper-v and I need it to communicate with the physical LAN and the host machine. Since I can't just simply get an IP address from the physical LAN (because of office ...
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What issues are there running VM images for large Visual Studio Projects instead of imaging PCs?

We have been running HyperV VMs for a few years now as development machines, as it is a quick and easy way to manage, update and replace enviroments. Of late Visual Studio, with upwards, if not more ...
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101 views

Azure inbound rule order

I have disabled the firewall on my Azure account and my PC for testing purposes, and thus there is no firewall rule blocking my connection. I am still, however, unable to connect to my Azure VM via ...
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16 views

Minishift on GCE portforward to local browser with putty

I have on GCE an Ubuntu 18.04 with paravirtualization that is using kvm to host a minishift VM. I want to expose the console of minishift (e.g.: https://192.168.42.89:8443) through putty without ...
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168 views

Windows Memory Usage - Is something throttling available RAM

Can anyone tell by the images below if this machine is unnaturally throttling memory usage. The memory was upgraded from 32GB-64GB for SSRS report rendering, which is the only sizable process to run. ...
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1answer
55 views

In-place upgrade of VM running 2008 R2

I'm following a Microsoft upgrade scenario to perform an in-place upgrade on a VM running Server 2008 R2. I'm trying to upgrade to Server 2012 R2. The document limitations show that "Windows Servers ...
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1answer
132 views

Convert hard drive to Virtual Machine

I'm looking for a way to convert a raw hard drive image (from a machine that had Windows 10 installed on it) to a bootable working virtual machine, preferable VMware based. Everything I'm finding ...
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1answer
111 views

Hyper-V Connecting to host to VM w/ External Switch

TL;DR - the short question: Can a host be configured to be able connect to a VM being hosted by the host itself, when the VM is set to use an External Virtual Switch with the Allow management ...
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1answer
46 views

fdisk -l show 500GB, df -h show 240 gb

after incrase the disk space of my centos vm (in esxi hypervisor) when i execute fdsik [root@sopiqecommerce ~]# fdisk -l Disk /dev/sda: 504.7 GB, 504658657280 bytes, 985661440 sectors Units = ...
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2answers
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google vm instances does not seem to be on correct region

I created one google vm machine engine instance in eu-west1-b region. In GCP Console seems to be in eu-west1-b region. However when I try to gelocate my ip's they seem to be in somewhere in China. The ...
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233 views

Create VM from raw file in ProxMox

I created a snapshot of a VM in ProxMox and generated a raw file of a VM. That ProxMox of mine is runnning into problems and i need to create a VM in another ProxMox using that raw file... The raw ...
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2answers
193 views

Create Azure VM with Windows Firewall ports open?

I'm working on a Powershell script that will automate setting up an Azure VM, adding it to my Active Directory domain, and setting up a number of other settings. The idea is to be able to spin up and ...
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96 views

Tips on Activating KMS host in Azure

In Azure, a KMS host will be managing Office 2019 licenses for a VM Scale Set. The KMS host requires a minimum of 5 clients with unique SID and CID to start giving out licenses. Once activated, it ...
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17 views

SSH host key has changed after VM switched node, can't login

I have a server in a cloud service that has been running smoothly. I've only ever connected via SSH. Yesterday, they had a node malfunction and moved all VM:s to another node/other nodes. After the ...
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77 views

Performance diagnostics Azure VM slow performance

We have an Azure VM that is running rather slow. I did the performance diagnostics and it shows me the following: Multiple Anti-Virus programs are installed on this VM. Running more than one Anti-...
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2answers
122 views

What is the Google Cloud platform equivalent to a Digital Ocean Droplet?

What is the Google Cloud platform equivalent to a Digital Ocean Droplet? Is it a Compute engine? or can a Compute Engine have multiple 'droplets'? If I have 10 droplets on Digital Ocean each with ...
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1answer
32 views

Cloudendure to migrate VM to GCP

I'm using Cloudendure to migrate VM to GCP. Learnt that Cloudendure is deprecating, is there any shutdown schedule for it ? Regards, Henry Kwong
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Develop on local physical machine or on virtual machine with Ubuntu? [closed]

Our development department is discussing if in the future we should develop on physical machines with Linux based OS or on a Linux based VM (edit: the VM is hosted on a server) from our Windows ...
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29 views

How to connect to private Network using squid proxy?

For my test, I have a VM on which I have installed Squid proxy with two NICS. One NIC is connected to the public network and other to my private network. I want to connect to the proxy from the ...
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1answer
52 views

OS recommendation for Oracle XE on a virtual machine? [closed]

I'm after advice on the best way to proceed, still new to some of this: I'm looking into deploying a virtual machine solely for handling a copy of oracle database XE on it. Currently we are solely ...
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1answer
61 views

Migrate a Classic Azure VM to RM in a different region and subscription

I have an SFTP server on a classic Azure VM running in the Southeast Asia region. I would want to migrate the VM to the resource manager version in a different subscription in the East US 2 region. ...
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88 views

Internal server error when RDP to Windows 10 VM unless already logged in

We have a Windows server Hyper-V running Server 2012 R2 which has a Windows 10 VM on it. This VM is for 1 user to remote into. Recently we have an issue where when they try to RDP it gives the error: ...
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278 views

How do I get the public DNS for an Amazon Workspace (virtual desktop)?

Running nginx reverse proxy on an Amazon Workspace (virtual desktop). How can I get a public DNS or a stable public ip address (like an elastic IP?)
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Slow File Transfer with IPSecSlow File Transfer with IPSec Site to Site VPN to Azure VM

I have managed to successfully establish an IPSEC tunnel (Site to Site VPN) between my Azure environment and my on-prem RRAS server using IKEV2. My Azure setup is as follows: 192.168.0.0/16 Address ...
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3answers
161 views

KVM, setup bridge network

I have unkown issue with creating network bridge for KVM. What I did: My OS: Ubuntu 18.04 I installed bridge-utils sudo apt-get install bridge-utils I modified file /etc/netplan/50-cloud-init.yaml. ...

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