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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15 views

Is it possible to extract / copy the content of a VHDX file

I have recently created a Raspian VM using Hyper-V on Windows 10 so I can start learning the OS as part of a personal project. What I would like to be able to do is take the content of this VM image ...
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13 views

Custom Linux Image Azure VM deployment timeouts, despite all resources being created and working fine

I have a custom image created using HashiCorp packer. It's the 3rd version of the same image, recreated to ensure the latest CUDA (10.2) is available on it. If I try to create a VM from this image, ...
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3answers
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How long should diskpart take?

I am using diskpart to extend a drive that is actually a VHD. I've already extended the VHD. It's on Windows 2003 and the C drive doesn't contain the swap file and the available space is contiguous. ...
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Can't access Azure VM or reset password/config

I've had an Azure Windows VM running on my free monthy credits for over a year now, to try stuff and play around in the cloud. I never had problems before. For a few days now, I can't connect via rdp....
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1answer
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Apache is not serving static files from correct directory

I am actually not sure if the title of the topic is actually the source of my issue but there are serious indications for this. I am not an expert in application servers such as apache so any help is ...
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1answer
27 views

How to create backup/snapshot of Unmanaged OS disk in azure?

I have a Virtual Machine which has an associated Unmanaged OS disk with it. If my OS disk is of managed type it gives me option to take snapshot of the disk. But for unmanaged disk it is not giving ...
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3answers
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VM with two NIC on Hyper-V - how to do that?

I'm new to Hyper-V. How do you configure two IP address on the same VM server? Both IP are on different subnets - one in 192.168.x.x and the other 10.x.x.x. There is an uplink (802.1q) between the ...
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Issues Connecting to DNS on Windows Server 2016 from RSAT on Windows 10 Pro

I will make this as concise as I can. Background: I am trying to set up a collection of Windows 2016 VMs to test through some labs but I am having issues connecting as my title states. This is the ...
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2answers
47 views

Why are GPUs accessible from docker containers running on Linux hosts, but not on Windows or MacOS hosts?

Recent versions of docker (or any version of nvidia-docker) allow direct(?) access to the host GPU from within docker containers, with full access to CUDA APIs. This is very convenient when deploying ...
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0answers
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On-demand remote desktop service without paying for dedicated VM [closed]

My fiancée has a slow laptop and she can't design websites on Wix as a result (she can do everything else). What is software that lets you rent remote access to a fast PC at an hourly rate called, if ...
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1answer
34 views

Migrating from EC2 to Proxmox VM

So I am currently running 3 servers on EC2 with total of 3 cores. And 4 GB for the main server and 1 gb each for the dns servers. The bill doesn't make any sense to me paying 70 ish $ a month. I ...
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Migrate a VM from atlantic.net to AWS

I have a number of servers on cloud.atlantic.net put up many years ago, and now we have most of our stuff on AWS. The nice thing about AWS is it allows me to shut down (and not pay for) a rarely used ...
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2answers
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Partition didn't resize after increasing OS Disk Size in Azure

I have a Ubuntu VM which has an unmanaged OS disk associated with it. When we increased the size of the unmanaged OS disk from 30 GB to 50 GB(after deallocating the VM and increasing its size from ...
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1answer
45 views

How to get the sound on a VMware ESXi virtual machine?

We are using VCSA 6.7 with five ESXi 6.7 hosts and multiple VMs are are running inside the ESXi hosts. I have no sound card installed on the ESXi hosts but we need sound from VMs. Can we do that?
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Vms on Azure whith QoS [closed]

It would be possible in azure vm to limit the network bandwidth, set up a QoS for one vm or several vms. Thank you for your help. Att. Eduardo
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1answer
1k views

“failed to load session “Ubuntu”" on virtualbox ubuntu guest

I have a corrupt guest install of ubuntu 12.04 running on virtualbox 4.2.6. I cannot boot to graphical mode . I get an error “failed to load session “Ubuntu”" How can I remove information ...
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2answers
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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 machine ...
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Domain and Sub Domain hosting with GoDaddy & Azure VM

I have a domain(xyz.com) created at GoDaddy which will points to the site hosted in the Azure VM. I would like to have another site in the same VM. This will be having address as dev.xyz.com. To ...
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1answer
46 views

Virtual machine disk I/O latency spikes

Since past few days I have strange I/O spikes in one virtual machine. Its 2.6.32-504.el6.x86_64 #1 SMP Tue Sep 16 01:56:35 EDT 2014 x86_64 x86_64 x86_64 GNU/Linux Red Hat Enterprise Linux Server ...
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1answer
36 views

How can I umount /dev/sda1 partition in ubuntu?

I have a Ubuntu VM which has an unmanaged OS disk associated with it. I want to shrink my OS disk of size 50 GB to 40 GB. However, when i try to unmount /dev/sda1 partition it tell me umount: /...
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2answers
1k views

SSH to VM rejecting password, works from virt-manager console

First of all, I'm sorry if there is a duplicate post somewhere. I searched for a while but none of the posts I found fixed my problem. It's fairly annoying. I created a new VM on our network and when ...
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1answer
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VMware vSphere VM at 100% workload CPU when real load average is near 0

I'm using VMware vSphere 5.5 on an ESXi 5.5 Host to host a small private web site. Host server is an HP ProLiant 380 DL with 50 GB Ram, 1 TB SSD storage, 2 Intel Xeon 5550 CPU. There are 10 running ...
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1answer
27k views

How to change a VM from split across multiple .vmdk files to a single one or two?

I have a VM with 3 partitions. One main one, one for swap space, one for storage. However, there are dozens of .vmdk files. Some of those .vmdk files are very large (over 1 GB), but the majority ...
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Cannot start or re-deply VM, looks like host issue (NetworkingInternalOperationError)

I'm struggling with a VM that I set to shut down every evening and re-start the next morning. I have made no changes to the config at all, but since two days ago it can't start (spends about 30 mins ...
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2answers
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How to restore an OS disk onto a different, resized Azure VM as its new OS disk?

I am able to create a new virtual machine that's of a larger size than my current one, but I am not able to upgrade or resize an old VM to that larger size even though it's of a pretty similar type. ...
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1answer
40 views

Hiding the virtual machine [closed]

I wanted to ask a question about Hyper-V. I have several solutions on Azure, and they completely suited me until yesterday. I needed to deploy cloud desktops, but the software I want to work with, ...
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0answers
14 views

cant access apache server on virtualhost from host with port forwarding and bridging

I can't access my apache server on virtualhost fedora 31 with vmware workstation 15. I tried auto-bridging and port forwarding with a static ip for virtualhost. I can access internet from inside ...
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1answer
27 views

How do I capture packets on a Linux VM in a VMware environment?

I've got a Linux server that is a VM running on ESXi 6.7. We're running into some network trouble with it, and I'm trying to use tcpdump to capture traffic on the VM itself, but I'm getting only the ...
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3answers
51 views

Using 2 Hyper-v servers (no AD) with replication to provide seamless swithover

I have a very limited budget, and little knowledge of this, so please bear with me. We have a primary, and backup Hyper-V server. Replication is running from the primary to the secondary. I need to ...
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2answers
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What is the difference between containers and virtual machines?

I want to comprehend all that differ a container from a virtual machine. A filesystem with all operational system can be observed for both of these virtualization methods. But in a Docker container, e....
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51 views

Qemu guest machine access to host proxy server

I have a host running linux (opensuse), which has a local proxy server at http://127.0.0.1:1234, running a Windows10 guest via QEMU by virt-manager. The network of the guest is using NAT to host with ...
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1answer
17 views

Partition didn't reflect the changes after increasing OS Disk Size in Azure

I have a Ubuntu VM which has an unmanaged OS disk associated with it. When we increased the size of the unmanaged OS disk from 30 GB to 50 GB(after deallocating the VM and increasing its size from ...
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1answer
2k views

Tap interface within a virtual machine has NO-CARRIER

I am trying to hook up a virtual machine to a host using openvpn. When i create a tap interface within the virtual machine using: /usr/sbin/openvpn --mktun --dev tap1 The state of the tap interface ...
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1answer
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vmtoolsd returns 'no value' when trying to read OVF env parms

From within a linux VM, I'm trying to read the OVF environment parameters using this command: # vmtoolsd --cmd 'info-get guestinfo.ovfEnv' No value found I did check that vmtoolsd service is running....
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5answers
8k views

Securing a guest VM to give it internet access, but block access to host LAN

I have a Linux guest VM running under a Windows host. If I set the networking mode to NAT, the guest can get internet access (which I want), but can also access the hosts LAN (which I dont). For ...
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1answer
40 views

Hyper-V server 2019 – Internet not working for Guest VM

I’m trying something apparently very simple, and I reviewed former posts for 2 days about the subject without success: Setup a Hyper-V Server 2019 On that server, install a Gen-2 guest Virtual ...
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2answers
264 views

How to run several ESXi VMs that must have the same MAC address?

For various reasons I have to run a few (≈6) clones of the same virtual machine at my lab ESXi server at work and unfortunately the MAC address must not be changed between the clones. Changing IP is ...
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0answers
29 views

Run Server in Virtual Box with Client in Host OS - How to enable connection

[In network engineering stackexchange I was told to post this here, sorry if I'm offtopic again]. The problem I face is the following: I got a license file for a program and have to set up a license ...
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2answers
69 views

Accessing physical Host COM port within Hyper-V VM

I have just virtualized a physical machine running Windows XP Pro SP3. The physical machine it was copied from is running a piece of critical software needed for day-day operation and security. This ...
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1answer
32 views

How to be a redundant with VMs on this middle infrastructure?

I need to implement for an association three virtual machines to manage the domain and two other software that will use databases. Of course they don't have a big budget but I am trying with their ...
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0answers
33 views

Disk space full on FreeBSD VM

I've ran into a space issue I have never experienced before and was wondering if anybody knows what I'm missing here. [2005][root@base ~ ] # du -h / | awk -F/ 'NF <= 2' 4.0K /.snap 3.0K /dev ...
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1answer
2k views

Azure Windows Virtual Machine with Different Language Version

I am trying to figure out how to create a new VM in Azure using and Italian version of Windows. I was successfully able to create an English VM and install the Italian language pack as this question ...
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15answers
233k views

How do I know if I'm working on a Virtual Machine or not?

Is there a way to know if the Windows machine I'm working on is virtual or physical? (I'm connecting with RDP to the machine. If it's a virtual machine it is working and handled by VMWare).
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1answer
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Create VM from existing Linux server [closed]

I have been tasked with finding a way to create VMs for our existing Linux servers, as sometimes we have do deal with issues related to the entire machine (virutal hardware, OS, etc.). These are ...
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1answer
975 views

Centos 7 save iptables settings (port forwarding)

I have KVM installed on Centos with one VM Host ip: 192.168.1.108, Guest ip: 192.168.100.227, LAN: 192.168.1.4/24 here is all what i did: i have disabled firewalld and installed iptables-services ...
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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 web ...
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1answer
3k views

How to diagnose/troubleshoot tftp timeout

I have 2 VMs. One is setup as a pxe server (dhcpd with a specific subnet and a tftpserver). The second VM is networked with 'vboxnet2' to first VM and it is able to get the DHCP IP as specified my VM1'...
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1answer
27 views

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 ...
2
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1answer
1k views

ESXi 6.7 any settings I make are disabled after reboot, also passthrough not working

Noticing none of the settings in an ESXi 6.7 installation are surviving reboot. I created the USB with a stock installation ISO like always, downloaded from the VMWare website. Just used the USB key ...
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1answer
3k 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 ...

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