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.

Filter by
Sorted by
Tagged with
0 votes
0 answers
9 views

How to convert virtual machine images to bootable OS installation?

I have a virtual machine installed in QEMU. I want to migrate this machine and use it as base machine. Query I have is that it is possible, and if yes will simple converting .img to .iso and burning ...
-1 votes
0 answers
11 views

How to revover my broken Oracle Virtual Box VM CentOS 7?

I was running a CentOS7 VM on my Oracle Virtual Box on a Win10 PC. A sudden power outage caused it to shutdown. When I restarted it, it never worked normally. Here is my way to try to recover: (1) ...
1 vote
0 answers
31 views

Error installing Debian on Virtual_machine(Disk parallel)

Debian 12 keeps giving me a new error each time, the last one I got after finishing the installation is: ERROR TRYING TO BOOT FROM SATA DRIVE 1 I tried the open Disk parallel and followed a suggestion ...
-1 votes
0 answers
24 views

after pay the balance, VM cannot start [closed]

There is outstanding balance as payment is declined, after settle the payment, the VM cannot start to run again. All functions are disabled. How can I start the VM?
0 votes
0 answers
21 views

Why isn't my Talos iinstall booting the k8s apiserver, though it otherwise seems functional

I've been trying to get Talos up and running on a few VMs using libvirt. Those VMs appear to be launching etcd and it's clear from the logs the etcd's are talking to each other, and it's also clear ...
0 votes
1 answer
18 views

How to switch from VirtualBox to VMWare

I've worked with virtual box (6.X and 7) on windows 10 for a few months and it was a pitty. From network-issues (Host-only vs. NAT vs. NAT-Network etc.) to lagging machines to .vdi-files that were ...
  • 101
0 votes
1 answer
33 views

Self hosting/Colocation multiple VMs with public IP addresses on single server

I have a single server that is running some VMs. I want each of these VMs to be accessed through public IP addresses correspondingly. I'm looking into hosting the server on my own and get a block of ...
  • 101
-1 votes
0 answers
12 views

How to setup a DIY Local Area Network with UFW and SNORT

my very first post here. I'm a complete noob when it comes to servers. I've used AWS to deploy production sites, but tbh I just click the buttons and AWS (ELB and VPC wizard) does most of the heavy ...
2 votes
2 answers
92 views
+50

slow performance on ssd when using kvm to launch vm's

On my host hardware I have 1G's speed on my vm I create using kvm it drops to around 20MB's My host is running ubuntu 22.04 LTS How can I optimise this? I am using file based VM's. I created disk ...
0 votes
0 answers
18 views

How to connect to VM from another computer in the local network

I have a host system (running Debian 11) where I installed a virtual machine (Ubuntu 22.04) using KVM. I can ssh between host and VM using their IPs (192.168.122.1 and 192.168.122.230). I also can ssh ...
0 votes
0 answers
24 views

migrating openBSD VM from linux host to linux host messes up name resolution

I created an OpenBSD guest VM on fedora. I migrated the qcow2 image from fedora to rockylinux and used it create a new VM. virt-install \ --import \ --virt-type=kvm \ --name=...
  • 101
0 votes
0 answers
13 views

Configure ceph block storage pool in cockpit

I have a plain install on machine C with Oracle Linux 9.1 and cockpit and cockpit-machines. On machines A and B I have a ceph cluster configured which defines an rbd block storage pool for VM disks. ...
0 votes
1 answer
61 views

Re-start VM Instance after stop (for changing the machine type)

I would like to change the machine type in VM instance so I stop the VM instance and change it and edit it. However, I cannot restart it afterwards and the message below is shown: a g1-small vm ...
0 votes
0 answers
80 views

How To install ChromeOS Flex on AWS

How To install ChromeOS Flex Install AWS ec2, I go through this link but did not get so much help related to AWS Using CloudReady-Home-v83-x64.ova in my VMware Workstation Player, it works fine, but I ...
  • 19
0 votes
0 answers
40 views

Getting error when stop & deallocate two VMs in an availability set to perform updates

I am trying to stop & deallocate two VMs in an availability set to perform updates, getting this error. Provisioning failed. Delete/Deallocate operation on VM 'ncsas-qvhapp001' failed because the ...
  • 101
0 votes
0 answers
33 views

Installing openSUSE 15.4 as a Xen Guest (DomU) on Debian 11 - can't find kernel file to link in xen-tools configuration

we are currently trying to set up a virtualized environment in which we would like to use openSUSE 15.4 Leap as a Xen Guest (DomU) on a Debian 11 Host. To do so I have found some resources which ...
0 votes
0 answers
14 views

After Syspreping a VHDX on a VM, mounting it means restoring to previous state

I create a VM with a VHDX. I write some txt files in C:\LocalFiles. If I turn off the VM using Stop-VM and restart it, the files are still there. The problem arises when I run C:\Windows\System32\...
  • 101
0 votes
0 answers
55 views

Raw file in proxmox

I created a vm in proxmox. Now i need to use my astra.raw file. I saved raw file in /tmp. How i can import my astra.raw file in VM? I try to use sudo qm importdisk 220 astra1.raw tmp and feetback was ...
  • 1
0 votes
1 answer
28 views

Azure, what does "Enable managed boot diagnostics" give you that you cant get without it?

When you create a VM (e.g. ubuntu) with Azure, one option is "Enable managed boot diagnostics". I have read the linked help page, but this didnt help. Surely, if the OS has a problem ...
  • 519
0 votes
1 answer
42 views

Azure: how to reimage VM (ubuntu) via portal UI?

We need to start again with the original ubuntu install. We could delete the vm and create a new one, but this is tedious, easy to get the wrong settings, and also gets a new IP when we have already ...
  • 519
0 votes
0 answers
32 views

Get network access from my virtual machine with qemu and Debian Host

I have a (hopefully) simple problem. I try to configure my host system to route network traffic through one physical network interface. Here is my setup: I have an ethernet interface (eth0) and i have ...
-2 votes
1 answer
25 views

Does vSphere ESXI Virtualization needs to be installed on root server or is it an application which can be installed inside an OS? [closed]

Recently I've bought Dell PowerEdge R620 Server. I am interested in running Windows Server 2022 as well as I am interested in running virtual machines using Virtualization. Now I know that Windows ...
0 votes
1 answer
50 views

cannot connect port 1883 on google cloud VM

I am trying to host a mqtt broker on google VM and open port 1883.The external IP address of VM is ephemeral. Can I know why the telnet to the IP of VM is failed? firewall config port 1883 telnet ...
  • 1
0 votes
2 answers
243 views

Can't install an Ubuntu Desktop edition (20.04, 22.04, 22.10) in a VMWare virtual machine

I can't install a recent Ubuntu Desktop guest OS in my VMWare ESXI 7.0.0 (Build 16324942). Each time I try, the installation process crashes on the "Where are you?" screen (when you have to ...
  • 103
0 votes
1 answer
71 views

IPV6 conflict VM Ubuntu 20.04 - Netplan

I have a problem, I've two virtual machines, but the problem is that when I turn on the second VM I lost the connection on the first one and vice versa. Here is the bridge netplan configuration on the ...
2 votes
3 answers
442 views

Hyper-V Expand Drive Without Having to Use GParted to Fix Partitions

Hyper V Generation 2 VMs seem to exhibit this behavior: after expanding VHD, new space appears as separate partition there is no way to combine it with existing c:/ partition from Windows have to ...
  • 217
-1 votes
1 answer
46 views

What happens if the only DC fails?

I recently started an internship in System Administration and I am currently tasked with researching and potentially setting up an on Premise Active Directory in our company. Lets say, I am running ...
0 votes
0 answers
35 views

Openstack VM not accessible from Local network

I am new to Openstack and trying to deploy Openstack environment to instantiate VM for Customer Demo. I am able to instantiate VM and multiple VM are able to PING/SSH each other from console (accessed ...
1 vote
1 answer
48 views

Can't configure unique IPs in Parallels VMs

I have 4 VMs running Ubuntu within Parallels (host machine is OS X). I am trying to set up SSH so that I can SSH into them, but I can't connect to them individually. They are all reporting the same IP ...
  • 11
0 votes
0 answers
61 views

Google cloud VM instance schedules do nothing

I have an issue with my google cloud VMs: when I try to set a scheduled startup or stop for them via google cloud's "instance schedules" nothing happens at the specified time. I will walk ...
0 votes
0 answers
59 views

Win 10 VM loses connectivity randomly. Hyper-v, SET teaming, Server 2022

Deployed a new hyper-v server a few weeks ago and during install I read that the old way of NIC teaming does not work anymore for vswitches inside of a hyper-v. It was replaced with SET Teams that ...
  • 1
3 votes
3 answers
437 views

How does Azure Backup backup running VMs?

We are planning on implementing Azure Backup backups of our VMs but I'm struggling to find any documentation that clearly states how the backups are taken? I see snapshots are being taken but how does ...
  • 145
-1 votes
1 answer
66 views

RedHat Server duplicates eth0 on boot

I have setup a RedHat 9 VM on Azure cloud with one virtual NIC which the VM recognizes as eth0. However, I have noticed that after booting up or restarting, the VM creates a duplicate device eth1 with ...
0 votes
1 answer
68 views

How to trace NAT traffic (port-forwarding) from guest VM back to host

I have a host and guest Virtual-Machine (VirtualBox) with NAT Networking with the following network interfaces. How to trace traffic from local IP 10.0.2.15 i.e. guest's IP back to Host ? Host Ubuntu ...
  • 101
0 votes
1 answer
483 views

Can ping from host to VM but can't ping from VM to host

I have Ubuntu 22.04 Server VM on Windows 11 host with VirtualBox. The Windows host IP is 192.168.14.11 and the VM IP is 192.168.14.22. When I ping from the Windows host to the VM I get a reply. But ...
  • 101
0 votes
0 answers
35 views

Force displaylanguage on a Azure Virtual desktop instance

We have several different Windows Virtual desktop solutions on Azure with the Windows 10 Enterprise for Virtual Desktops image. We want everything to be in Swedish and not the default English. Several ...
  • 299
-2 votes
3 answers
110 views

Virtual machine not meeting Windows 11 system requirements, even though it should

I am trying to create a Windows 11 virtual machine on Hyper-V. I downloaded a clean x64 ISO from Microsoft. Here is my attempt using Generation 2 as a commenter recommended: Generation 2 Default ...
  • 101
0 votes
1 answer
46 views

VM not working after Reset

Our VM is no longer resolving since we did a reset. Reserved IP address is no longer assigned, we can not find a way to re-assign. Anyone know how to do this? Thanks Pablo
0 votes
0 answers
34 views

GCP image import error: install_apt_packages failing

I was trying to import a debian-11 image (debian-11-genericcloud-amd64.raw) using gcloud compute images import command. However it was failing, and looking at the logs it seems that ...
0 votes
1 answer
132 views

How to restore a VM from disk image qcow2

I had a problem with my server and my VPS provider only wanted to give me a backup of the VM disk in qcow2 format, he told me that I should virtualize and mount that and then get my data and take ...
1 vote
0 answers
110 views

How do I test my Proxmox VM Guest's Watchdog? (Windows 10 VM)

My Proxmox (Qemu) uses the i6300esb watchdog device driver. Windows shows the Watchdog Timer device under Device Manager. How do I test this? I tried disabling the watchdog device but nothing happened ...
0 votes
0 answers
106 views

Error promoting Windows Server 2022 to Domain Controller

I have a virtual Windows 2022 Server in a VMWare ESXi environment, and a WS2019 virtual in another host, which is my Active Directory Domain Controller. I've been trying to promote the WS2022 to ...
  • 1
0 votes
3 answers
31 views

Is there a benefit to running my File Sharing server on the physical server and my SQL server on a virtual machine?

I've never heard of anyone running one server on the original instance of Windows Server on the physical machine, and then running a second server on a Virtual Machine, so I can't find any info on ...
0 votes
1 answer
79 views

How to boot into safe mode with RDP enabled on GCP

Read title. I am trying to figure out how to boot into safe mode on a windows VM and still be able to connect to it via RDP (or another remote service).
-1 votes
1 answer
26 views

Can't connect to Windows VM after booting into safe mode

I cannot connect to my windows VM after booting into safe mode [networking enabled]. I have restarted, and I have tried using the serial console but it doesn't make much sense to me. I am trying to ...
0 votes
1 answer
358 views

How to connect veth interfaces to bridge slave ports

This will probably be easier to explain with a diagram, so this is the basic setup: There are 2 containers 10.0.0.1 & 10.0.0.2 running inside a host machine, and I've also created a linux bridge ...
0 votes
1 answer
24 views

When does upgrading require a restart or disruption of services?

I'm using google compute engine with a single VM instance (machine type: e2-custom-2-5632/skylake) that needs an upgrade. Services are bumping up against limits and throttling. I'm trying to purchase ...
0 votes
0 answers
16 views

T4 GPU slows down automatically after sometime with power usage limited

I had been using T4 GPU with 8 virtual CPUs and 30 GB RAM Virtual Machine for more than a month without any issues. I have been running some deep learning training jobs on it. But since yesterday, I ...
3 votes
2 answers
70 views

SAN Solution for diverse VM Servers

I recently got my fingers into Server Administration. I am currently the only person administering an air gapped network with 8 sites. Most things are dated and old but I get the money to renew things....
0 votes
0 answers
103 views

How to create a VM with a specific external IP or IP range?

I have some problems with some google cloud IP ranges, they are blocked in my country, so I cannot connect to my VM if the instance is on those external IP ranges. I have tried reserving IP addresses ...

1
2 3 4 5
56