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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How to get a Hyper-V VM out of PausedCritical state?

A program running in a VM filled so much of the virtual disk that it expanded to fill the host's drive. Now GET-VM shows the VM is in PausedCritical state. I read that I need to compact the virtual ...
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Is there an easy way to expand a Linux VMs disk?

Im currently planning a cloud solution. The cloud is supposed to run on Linux VMs via vSphere. Right now, every time I want to increase the virtual disk space of an already set up Linux VM, it’s a ...
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Setting up slurm on a cluster

My IT admin has setup a cluster with 3 nodes, which is administered via Windows server. VMs are hosted via Hyper-V, including an Ubuntu VM to which a substantial portion of the cluster's resources ...
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How to PXE Boot VM on VMware Workstation without using a TFTP server?

I'm trying to PXE boot a vm made by VMware Workstation on my local machine. On a separate subnet I have the PXE server and DHCP server. I do not want to use a TFTP server or use IP Helpers. When I ...
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Best way to enable DDoS protection on many individual GCP compute instances without load balancing?

I've been scouring through the Google Cloud Armor docs for information about DDoS protection of a GCP compute VM instance. From what I've found, Google Cloud Armor Managed Protection provides ...
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Azure VM Domain Verification

I have an Azure VM let's say myvm.cloudapp.azure.com. It is accessible using http://myvm.cloudapp.azure.com . Now I wanna make it secure https://myvm.cloudapp.azure.com. I have added certificate App ...
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2answers
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Virtual machine vs real machine server performance [closed]

I want to self-host some services (some examples include, but are not limited to, Nextcloud, Matrix, Jitsi, Bitwarden). For security reasons, I don't want to install all of them on the same machine ...
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1answer
28 views

How to turnoff machine completely in azure?

In AWS, when I turnoff my windows machine with shutdown command inside it. The AWS portal, it will show as turned off. But in azure, if I turnoff from portal, it is releasing IP and showing as turned ...
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GCP: Cannot create any VM with GPU -> No capacity

I subscribed to GCP and received the $300 credits. Then I upgraded my account to "paid account". Next, I increased the limit for multiple VM types with GPU, in multiple regions, and received ...
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how do I create multiple VMs from the same OS image with the same rendering output?

Currently I am doing pixel v pixel on a single AWS VM. I am running all test on a single machine comparing golden vs test image. Id like to do pixel v pixel tests on multiple machines to parallelize ...
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How to access postgres in private vnet from another VM in azure?

I have created postgres flexible server with private vnet option. So, no direct access to posgres from internet. But, when I try to create a new windows 10 VM, I can't select the subnet of database ...
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Google Compute Engine Debian VM, firewall rules only apply to IPV6

I am using a Debian VM on Google Cloud working as an API provider. I access the API from Android on tcp port 30300 and it works OK. I also access the API from a C++ App running on microcontrollers and ...
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No access to outside from some VM instances

I have launched few vm instances based on ubintu 21.10 image. all of them in 10.1.253.0/24 subnet. Region asia-southeast1. An instance with ip 10.1.253.221 has no problem zone c. I made sudo apt ...
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How to skip AZURE VM with Windows Server 2012 R "Scanning and repairing drive c" on startup?

When I start my VM with Windows Server 2012 R2 on Azure, I see in Boot Diagnostics the VM is "scanning and preparing drive c:" and will stuck at 13%. I can't connect with RDP or other way, ...
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1answer
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How to improve my current HA design

I am trying to create high availability application. My current design has two VMs, both have public IPs, both are running in same subnet and both VMs have same web application running in docker. ssl ...
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1answer
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Importing OVA file Issue

I have an ova file that I need to import as a VM instance in Google Cloud Computer Engine. The OS of the ova file is not known and so it produces an error when importing. I want to know if there is a ...
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Running Vagrant VM on Ubuntu 20.04 VM on VirtualBox on Windows 11 Host Machine, Need SSH access to vagrant from windows 11

I am doing a computer vision project, and I have Vagrant VM on Ubuntu 20.04 VM on VirtualBox on Windows 11 Host Machine. I'd like to use the Windows 11 host machine for the CV since it needs a lot of ...
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Can I detect the event of a VM being shutdown on the OS level in Azure?

When I shutdown a VM (Linux/Windows) in Azure it is still being billed until I explicitly deallocate it. I want to automate the deallocation after manual shutdown. To achieve this, I need to identify ...
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1answer
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How to enable external access to the Virtual machine on private link?

I would like to benchmark virtual networking of KVM-QEMU. For this purpose, I connect two servers (server 1, and server 2) with one wire. I use server 1 to run the QEMU VM and I want to access this VM ...
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UDP Broadcast not being masqueraded

I have a VM in Proxmox with an IP (192.168.1.10) coming from a bridge. I have masquerading on to enable it to communicate with my network: -A POSTROUTING -s 192.168.1.0/24 -o host_inteface -j ...
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Connection Refused between 2 VM containers

On my host Ubuntu 18.04 I am running two lxc containers using default setups. Containers use Ubuntu 18.04 as well. I have an app running on container1 that offers an https based service on https://...
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Google Cloud Virtual Machine SSH Terminal Could not connect

I have a machine installed in Google Cloud VM, I was making the SSH connection here without any problems, but when I wanted to log out and connect again, I started to get no results here. I stay on ...
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Alma Linux - Not able to ping out

So I have my first VM in Proxmox and I know the network works as I have used CT in the past without any issues, however I have set up a VM and now I am having network issues. Seems while it says the ...
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636 views

Redirect 127.0.0.1:80, 127.0.0.1:443 and 127.0.0.1:8080 to an Hyper-V virtual machine

Alright so the title may be a little misleading but that's the best I could find. Here is what I am trying to accomplish: I am on Windows 11 Pro. I have a virtual machine running Debian 11 on Hyper-V. ...
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How to give each WSL distro a distinct IP address?

How to give each WSL distro a distinct IP address, and then connect to those IP addresses via Windows? I was curious if its possible to setup two different ubuntu distributions using WSL and somehow ...
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1answer
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Using a standalone licence for SOLIDWORKS is not supported on this virtual environment. You must use a SolidNetwork License (SNL)

I'm using Linux Mint 20.1, kernel 5.4.0 on a Ryzen 5600x with 16gb of ram. Using VitualBox 6.1 and trying to install SolidWorks 2021 and found the message in the title when adding my license and not ...
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Disk errors on SDS

My database (mysql) server, wich is a VPS, is experimenting disk errors every couple of days. It automatically mounts /dev/sda2 in read-only mode. I have to connect vía ssh and run fsck /dev/sda2 to ...
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Stop/Start Azure VMs Using Hybrid Runbook

I currently have runbooks that stop/start VMs on a schedule but recently the runbook to start vms is stopped because it takes too long to complete. The following message is thrown - "The job has ...
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1answer
51 views

Why do you need serial port connection between QEMU quest and host?

I am new to qemu. I was exploring some commans to setup qemu VM. Can someone please explain why serail ports are required/desired between guest and the host? Also, what does '-serial pty' and -'serial ...
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DockerDesktopVM can't start due to Hyper-V

For some reason I keep getting the error that "DockerDesktopVM" can't be started because a Hyper-V component isn't running, but how do I change that? I found people adding commands like ...
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Is there any NATIVE disk monitoring solution for storage in Azure VMs?

I have done plenty of digging, but it looks like this may be a shortcoming in Azure. I cannot find a native solution in the Azure portal to tell me when VMs are running low on disk space. What if I ...
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Enablement of MIG feature in A100 attached to a VM

I have a VM with single A100 attached. VM created with GCP 'çreate instance' method (Singapore region). The instance was not created with gpu-partition-size=1g.5gb NVidia driver v470.57.02 OS RHEL7.9 ...
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Use cmd when "Run only specified Windows applications" policy is in effect

I am trying to restrict the applications usage on the VM Windows Server 2019. In Local Group Policy editor (gpedit.msc), i modified the policy, on the left pane, click/tap on to expand User ...
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Unable to join Azure Windows Server VM to local domain

I'm trying to get my Azure Windows Server VM to connect to my local AD. I've already created a Site to Site VPN Gateway and connected both the DC (172.16.1.5) and VM (172.16.1.4) and I've confirmed ...
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How can the SPICE password of a libvirt+kvm+qemu virtual machine be changed while the machine is running?

I have a virtual machine that is running on a KVM+QEMU stack with libvirt. The VM is using a qxl or virtio display and has a spice graphics listening on a port. I'd like to change the password (in ...
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1answer
26 views

Google Cloud Debian VM. Node Red stops working

I am a Windows user trying to use Linux for my online server. I am testing a Debian VM running on the Google Cloud. There I installed Node-Red, Apache and mySQL. Every day when I am going to start my ...
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VM Instance - Create CPU Usage alert for specific users

I'm working on a project where alerts are received each time a VM Instance CPU usage surpasses a certain limit. However, all alerts are transmitted to the whole team. My goal is: Manage alerts as for ...
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Cpu utilization and Cpu load average very high in spite all applications are shutdown

we have a RHEL 7.6 VM machine , server with 16 GIGA RAM and 8 CPU's we notices that CPU utilization is high on this server , and also the CPU load average load average is around - 50 - 60 , and the ...
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Is my VM under attack or is this an automation gone wrong?

I noticed that our Windows Server 2019 VMs, hosted on GCP were often hitting 100% CPU usage, which was odd and started to investigate. It seems that there is an array of PowerShell commands that are ...
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Reading a file stored on the storage bucket via my VM SSH

I want to run a python script that starts by importing a large table of data. I've seen that instead of using the upload option form the SSH panel of the VM I can use the storage bucket and start by ...
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How do you create two different subnets within VirtualBox?

I have backend applications that I want to put on one subnet and a set of servers that must have access to the internet on the other subnet. The idea is to put the servers within a DMZ. Additionally, ...
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1answer
261 views

Using VMware ovftool to check existence of virtual machine (VM)?

What is the canonical way to use VMware's ovftool to query to see if a VM exists or not? If I run this command: ovftool vi://username@password@myvsphere/mydatacenter/vm/myvm I might get this response:...
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UDP port forwarding between virtual machines and docker composed network

currently I'm deploying a virtualized system and having a problem with forwarding of an udp port. I tried many tutorials, but something must be wrong and I don't know why the connection is refused all ...
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Cannot Open Azure VM (Ubuntu 18.04) Port

Running the jupyter notebook server on port 8888 on the virtual machine. Trying to use port forward to my desktop (running Linux Mint). The server is running on the VM alright, but the port is closed ...
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I can'`t create VM instance in Zone:southamerica - Google Cloud

Create VM instance "instance-1" and its boot disk "instance-1" Permission denied on 'locations/southamerica-east1-a' (or it may not exist).
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Adding multiple virtual switches to New-VM?

I'm working on a Powershell script to create new virtual machines as part of a migration between a Hyper-V server running Hyper-V Server 2012R2 and a new Hyper-V server running Hyper-V Server 2019. ...
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27 views

Can't SSH from host to VM through static IP

I'm setting a cluster of servers with ubuntu 16.4 VM's to learn about it. As suggested by some tutorials, I set a static ip for each machine besides DHCP one (2 network interfaces). To achieve that I ...
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24 views

GoogleVM - Remote Desktop Connection Error

Can't connect to Google Server using Remote Desktop Connection in Windows 10. The error is "An internal error has occurred".
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2answers
263 views

How to prevent multiple users from simultaneously accessing an Azure VM?

We created a VM as a replacement for physical machine with rarely used software on it. When I tested it I noticed when a second user accesses the VM, the first user is kicked out and sees the message &...
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1answer
23 views

Vagrant Windows 10 package step removes user profile?

I'm building a Vagrant Windows 10 box (using libvirt, based on the workflow documented at here: https://fishilico.github.io/generic-config/windows/vagrant.html). After the VM is ready, I run: vagrant ...

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