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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An Active Directory Domain Controller (AD DC) for the domain could not be contacted

I have a PC with Windows 11 Home. I use Hyper-V to install 2019 server (Server) and 2 Windows 10 Enterprise virtual machines (VMs). I add two Enterprise VMs on Server as follows. I select MARVEL.local ...
0 votes
0 answers
17 views

Failed to start cpanel-on-almalinux-1-vm

I am getting this error while trying to start the instance. Failed to start cpanel-on-almalinux-1-vm: Operation type [start] failed with message "The resource '276657731774-compute@developer....
5 votes
2 answers
5k views

If KVM is working, why does VMX show as disabled?

I have VT-x enabled in the BIOS. I'm running qemu/kvm/Manjaro. lscpu says $ lscpu Architecture: x86_64 Model name: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz Flags: ... vmx ... ...
0 votes
1 answer
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Best practices for deploying ASP.NET Core components across multiple VMs

I'm working on a project that requires deployment both on the cloud and on private virtual machines. The customer provided 4 VMs with the stipulation that the database should be on one VM, the ...
1 vote
1 answer
5k views

Host to guest connection via SSH (using qemu vm)

I am having trouble to enable a host-to-guest communication using qemu VMs. The goal is to connect via SSH from the host to the guest VM. I have the following setting: host: local access to SSH ...
0 votes
0 answers
44 views

Unable to ping the vm running with ebpf program

I am using an eBPF program which counts the number of packets received on its interface on my destination vm. At first I can able to ping the vm running with eBPF program that is destination from the ...
5 votes
1 answer
25k views

Proxmox. ERROR: Backup of VM failed - CT is locked (backup)

I tried to create backup of the container (LXC) in my Proxmox and I get the error: INFO: starting new backup job: vzdump 206 --node my_server --mode snapshot --storage backups-stor --remove 0 --...
-1 votes
2 answers
89 views

How can I add an additional working IP to a VM?

I have 2 websites working fine on the same IP (92.46.87.48). Is a ubuntu server on a VM. Now I need to assign one ip for every website. I edit the /etc/hosts fine, I just buy an additional IP and now ...
5 votes
6 answers
40k views

Google Cloud Services - unable to SSH into instance at all

I am unable to SSH into my instance on the Google Cloud Services. I am not very well versed in VM management and troubleshooting, but have tried everything I knew, and google could provide to me ...
0 votes
1 answer
931 views

How i can init kubeadm on containerd or cri-docker?

kubectl version --client `Client Version: v1.28.1 Customize Version: v5.0.4-0.20230601165947-6ce0bf390ce3` kubeadm version `kubeadm version: &version.Info{Major:"1", Minor:"28", GitVersion:"v1.28.1", ...
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0 answers
194 views

How can I restrict login to Azure LINUX VM using AAD integration

I have an Azure Linux Virtual Machine with "Login with Azure AD" option enabled. But I am still able to log into with admin account using password. Or I can just create another user by using ...
0 votes
0 answers
121 views

Disk is at 100%, Hyper-V vm will not start

Due to wrong communication, people uploaded a ton of file in our file server ( a hyper-v VM) and now the VM does not have enough space to power on. I did not built it but I have to figure a way to &...
0 votes
3 answers
722 views

Enable connection from Hyper-V guest to Windows Server 2022 host

I have a Windows Server 2022 that has a VM running on Hyper-V. the VM is an Ubuntu Linux machine. I can ping all computers on the local network. as well as access Internet. But I cant seem to be able ...
1 vote
1 answer
557 views

How to remaster an Ubuntu Live ISO to revise grub.cfg to autoinstall from local cloud-init user-data

I'm working on Intel and M1 Mac's and running Ubuntu Server in VMWare Fusion VMs. I'm currently using the latest ubuntu-23.10-live-server-amd64.iso and ubuntu-23.10-live-server-arm64.iso. I can get ...
2 votes
1 answer
474 views

How to mount an old disk back to the RHEL VM without reboot?

Background I have added a second hard disk (500GB) to this RHEL VM. And then format, created volume group (storerhel2) and logical volume (store) for it. I then mounted it to a newly created directory ...
0 votes
0 answers
36 views

Offis DCMTK's StoreSCP reset issue in Mercure's VM

When several DICOMs are sent to mercure from an external machine (not within the VM) using the dcmsend command, the receiver is reset with the following error in the Receiver Logs: Oct 14 16:45:32 ...
2 votes
1 answer
480 views

Convert Physical Server 2008 R2 to VM

I need to convert a Physical Server into a Hyper-V Virtual machine. I used the "Disk2vhd" Tool, but when uploading the image, it does not recognize the Operating System. I also used the &...
0 votes
0 answers
1k views

Connecting two VMs running in KVM

Short: Get two VM's to talk to each other running on same hypervisor. I have two VMs running under KVM and I am trying to manage them via Cockpit. The hypervisor, and the vm's are running Ubuntu 20.04....
0 votes
0 answers
267 views

gcloud compute ssh asking for password

Here is my situation - I have been SSHing into my VM instances on Google Cloud Platform for years without any issue using the command: gcloud compute ssh jackson@myservername I just got a new macbook ...
0 votes
0 answers
50 views

GCP: Producer Portal : Test Deployment during creating Product fails with "One or more licenses are unhealthy."

I am creating a new product in Producer Portal following the steps in VM Creation I am using Deployment Manager as the way to deploy the package. On Validate step, the test deployment fails with this ...
0 votes
2 answers
183 views

Unable to run GCP VM Instance with a container

On GCP you can create VM instances and configure it to pull a docker image to run a container. The container doesn't seem to be running in my case. When I SSH into the VM and run docker images no ...
2 votes
0 answers
2k views

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 ...
0 votes
1 answer
2k views

VS Code Remote Development giving back error

I'm trying to connect my Vs code using SSH extension to my Debian VM on azure. I tried running the SSH connection on terminal and it's working fine ssh -i Desktop/Emdad/testing/magento-testing-key.pem ...
0 votes
2 answers
317 views

How to find the bottleneck of network bandwidth from local machine to Azure VM and improve it? [closed]

I create an Azure VM with SKU Standard_D1_v21 in Southeast Asia. According to this doc, the expected bandwidth is 750Mbps. However, I test the connection bandwidth from my local machine to the VM, the ...
0 votes
0 answers
10 views

Is there qay automate revert vm in xen ochestra or xcpng tool?

I would like to implement automated deployment for software updates. Any CLI command I can use to automate the task? Revert to clean snapshot Save current
3 votes
4 answers
9k views

Disable TCP checksum offloading on KVM virtual network

I have a virtual network for connecting KVM guests with the host. I need to disable TCP checksum offloading on this network. The ethtool works fine but I want to disable it permanently and I could ...
1 vote
3 answers
293 views

In cloud, is it possible to access guest VM from host machine?

In KVM, it is possible to access the guest machine from the host machine. For example, you can SSH to the host machine and then access the guest VM by virsh console vm_name. Is that possible in cloud? ...
0 votes
1 answer
171 views

Failed to reset Windows password on Google Cloud VM: "Did not receive password in a reasonable amount of time"

I have created two Google Cloud virtual machines: instance1 (Windows Server 2022) instance2 (Windows Server 2019) Through instance1, I need to manage instance2 using the service account XXXXXXXXXXXX-...
1 vote
0 answers
356 views

Hyper-V GPU Passthrough with NVidia A100 no display

I am currently trying to get some NVidia A100 GPUs to work on our Hyper-V Hypervisor. I managed to setup the GPU Passthrough to a VM but the problem is I don't get a video display. I assume the ...
0 votes
0 answers
29 views

Virtual machine static ip doesnt work

I have created vps private Ubuntu server on virtual machine. Then I have deploy my app on it with static ip 192.168.56.101. Everything is working, when I open it on my local machine, but when I try ...
0 votes
0 answers
269 views

Cannot RDP To Server - Local Admin Password Expired/Reset Fixed Issue?

I received reports that users trying to RDP to an Azure Win Server 2019 VM via JIT or any other means were not able to. This used to work previously. In addition, users RDP using they own user account ...
3 votes
2 answers
6k views

Virtual Server Unexpected Shutdown with Code 1074

Over the weekend, I had one server (out of 11 in the office) shut itself off sometime early Saturday morning. This is a virtual server (running SQL, our production database, naturally), running on a ...
0 votes
0 answers
85 views

USRP N210 on a vmware debian machine, connecting via an ethenet to USB adapter

For a professional project, I must fully automate a process which involves a GNURadio python flow played on an USRP N210. In order to acess the USRP, I installed a VMWare Debian machine on a Windows ...
5 votes
2 answers
6k 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
0 answers
75 views

Unable to SSH over proxycommand over multiple servers

I have a jump server (server1) which on a private network where I want to use as a jump server to access other network resource such as other servers. Server1 holds required ssh key files for other ...
0 votes
0 answers
222 views

getting error with curl command in Ubuntu

Below I am having these issues with all my VMs. I am unable to curl from my VMS and subsequently having issues with another program. host OS is ubuntu 20.04 and the guest is Centos 7 see error message ...
0 votes
1 answer
103 views

Does VM machine can replace physical machine,

We have 254 Physical servers when all machines are DELL servers R740. servers are part of Hadoop cluster. most of them are holding HDFS filesystem and data node & node manager services, part of ...
0 votes
2 answers
186 views

Using host loopback device into VMs

While deciding what IP address to assign to a local VM a question arose into my mind: why can't I just assign an address of the 127.0.0.0/8 net (so I can avoid any kind of IP clashing)? After all, it ...
6 votes
2 answers
4k views

Creating a virtual network for KVM guests spanning multiple host machines

I have 5 physical machines running Ubuntu 14.04, all of them are together in a network. These all have static IP addresses. Each of these machines has 1 to 4 virtual machines via KVM/QEMU running ...
4 votes
5 answers
6k views

Best Linux distro for load-balancers?

I wanted to try HAProxy/Linux Virtual Server like front-end load-balancers, but as far I know, they're Linux-based software. I don't have any experiences with Linux yet. so there're quite many ...
0 votes
0 answers
112 views

Error creating Windows virtual machine on Google Cloud: Not included with the free trial

I'm trying to create a virtual machine on Google Cloud using the following command: gcloud compute instances create my-server-1 \ --zone=europe-west3-b \ --machine-type=n1-standard-16 \ --...
0 votes
0 answers
422 views

The IO operation at logical block address 0x1458a30a for Disk 0 (PDO name: \Device\00000037) was retried - Hyper-v virtual machine errors

I'm encountering an issue where I have a physical server PowerEdge R740 and I have a hyper-v server where I host multiple machines, all these machines I've been seeing the errors: The IO operation at ...
3 votes
5 answers
17k views

Virtual machine : is it possible to run a 32 bits guest OS on a 64 bits host OS?

I am a software developer, and I need to use old version of Borland/Embarcadero Delphi 7 for one software. The others ones are PHP software. I will have soon a 64 bits PC, running Linux, but I need a ...
0 votes
0 answers
66 views

nftables: VM to VM Communication over Host IP

I have the following situation: A Debian Linux host with multiple VMs running on it. One VM is set up as a mail server. nftables on the host redirects the mail traffic from the world to the mail VM ...
0 votes
1 answer
4k views

Couldn't connect to google VM instance

Couldn't connect to google VM instance from browser or even ssh from terminal . From browser I am getting this error "You cannot connect to the VM instance because of an unexpected error. Wait a ...
0 votes
0 answers
96 views

Quota restriction error when attempting to create a GCE image

I am trying to create a GCE image from an VMDK file but I am getting a quota error. None of the quotas on my quota limit page are at or near 100%. Which quota or restriction am I hitting here and why? ...
0 votes
0 answers
56 views

2 Azure VM Servers from the same region cannot communicate with each other

I have 2 Azure VM Windows Datacenter 2019 OS, that are in the same Region and are connected via VNET Peering but still cannot see or access each other, I tried turning off the Firewall from both VMs ...
0 votes
0 answers
29 views

How to Auto-Start and Stop a VM with Remote Connect/Disconnect?

Is there a way to simply connect to VM without going to server website to start it but instead to instantly start it by maybe when remote connection is requested, stopping the server is easy enough by ...
1 vote
1 answer
180 views

How to automatically virtually boot partition windows 11 inside from windows server 2022 through VM or VMware or hyper-V?

Question : How to automatically virtually boot partition windows 11 inside from windows server 2019 through VM or VMware? In my small coaching institue computer lab with 25pc. 15 pc are Independet ...
0 votes
0 answers
48 views

Configuring Automatic Start of Azure Virtual Machine upon Remote Desktop Login

We have created an Azure virtual machine 'Standard NV12ads A10 v5' with Windows 10 as the operating system. In order to reduce costs, we would like to find a way to have the machine powered on only ...

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