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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19 views

Cannot access azure ubuntu vm after restart

I am not able to access an ubuntu vm on azure after restart. This is happening several times. Basically I created an ubuntu 18.04 LTS VM on azure and after creation I can access the machine using ssh ...
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VM Attacking within Virtual box

This might be a rookie question, but I want to start attacking another virtual machine within my virtual box. what are the setting I should impose to do this?
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How to increase available disk space in thinly provisioned VM?

I created a thinly provisioned CentOS VM on an ESXi instance. To use nice numbers, let's say I configured a max disk space of 500 GB. After installing the OS and booting, when I open File Manager and ...
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Vagrant / Docker: Could not resolve host occasionally

In my dev machine, I am running 2 Docker sites (frontend and API backend) on top of Vagrant (CentOS). In the main host (Windows), I have the ff. entry in the hosts file 192.168.2.200 docker.test The ...
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CPU Utilisation Compue API

I have been using openstack apis and have following issue: API used: /servers/{server_id}/diagnostics API version: v2.1 Problem: Couldn't get utilization value of my server it is showing null even i ...
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Hosting Azure Active Directory and retiring on-prem AD

Background:- We have Office 365 licenses and all employees have their individual mailboxes. Currently there is one Domain Controller, which not only hosts Active directory but also acts as DNS and ...
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Connecting to azure sql vm using site to site connectivity

I'm having issues connecting to mssql db on an azure sql vm from my on premise network using azure vpn. I've established a successful policy-based connection to the azure gateway, and created a dns ...
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How to get Azure File Share to work with Wordpress multisite domain mapping when file share mounted to wp-content to resolve eorror 520

I am getting an error 520 on my images from sub-sites that domain mapped in wordpress. I am running azure file share with an azure vm that I plan to expand to more vm's. The File share is mounted to ...
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Preemtively avoid booting into recovery mode for VMs that I know are going to if I restart them

After deploying updates via WSUS every server in my vmware environment has been booting into recovery mode after restarting and being essentially stuck there (subsequent reboots go back into recovery ...
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24 views

wmiprvse System.AccessViolationException filling up windows event logs

I have below 2 errors showing up in event logs every 30 minutes. Please help me to figure out the root cause. Error1: Application: wmiprvse.exe Framework Version: v4.0.30319 Description: The process ...
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Website unavailable after resuming VM Instances

I use GCP to host my company wordpress website. I originally had the "free" trial for the first 3 months. When it ran out, my website was disabled. So after paying my charges on Monday, I ...
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1answer
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Measuring network bandwidth usage

One VM is sending data to another VM using rsync, both VMs are hosted on the same machine. I've got the task to measure the network bandwidth usage between both VMs and plot it. Plotting is easy once ...
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How to get out of a Vmware VM and access the host server / hypervisor? [closed]

I'm working as a new IT man in a company, and I have a task which requires me to get access to the hypervisor. The only thing I know is the IP address of a Windows server, which I found out it's ...
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HyperV Error: “The server encountered an error trying to create the Virtual Hard Disk”

I'm currently trying to convert my Physical Ubuntu 20.04 Server to a Virtual HyperV Ubuntu Server. As such, I am trying to convert my physical Ubuntu 20.04 hard drive into a virtual hard disk. I'm ...
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How to fix suspended WP VM due to engaging in cryptocurrency mining issue [duplicate]

I received below message from google and my website suddenly stopped working. I am new to GCP and thought it is safe to run website using GCP. Please help me to restore my website. Thank you. Message: ...
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1answer
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Can't ping gateway or access outside internet from Ubuntu guest on Windows 10 host

Using Virtualbox Version 6.1.16 r140961 (Qt5.6.2) on Windows 10 Home host. When using Bridged Adapter mode on a Ubuntu 20.10 server vm. I am unable to ping the gateway from the guest. I can ping from ...
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1answer
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Remote Desktop - Font Size

I hope this is a right group for posting this question. I have Azure VM- Win 2008-R2. When I remote to the Font size is too small. Unfortunately the option to change this has been grayed out and I ...
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What's to Search for in a VM Provider When Increased Resiliency is Sought for But not Necessarily HA Compliance?

I am lost on how to search for a VM Provider beyond a few I found that boasts increased resiliency is commanded but not "total HA"? My situation is as follows... I am deaf and blind ...
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1answer
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Dockers place in the cloud

Putting aside aws ECS and other container services for a moment, is a docker host running on top of a VM in the cloud irrelevant? Containers are supposed to optimize out the guest OS, but since you're ...
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2answers
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Change Azure VM Update Policy

I have multiple VMs running on Azure but noticed that the Windows update policy differs. Unfortunately, I cannot locate the setting in the Azure portal. Below is a screenshot from the first VM that ...
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1answer
82 views

Get details of current Azure VM from inside the VM using PowerShell

Suppose I have a Virtual Machine provisioned in Azure running Windows Server 2016 standard Azure image. Without installing anything onto the VM, how can I retrieve the details of the current VM using ...
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How to establish requirements for a virtual machine for running a kind of MES system

I want to upgrade my existing VM to (Windows Server, more RAM, better CPU, etc) - but I do not know how to evaluate current needs. I am not a software engineer :) and I need your help in defining the ...
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Migrated XenServer 7.1 VM of Windows Server 2003 will not start on XS 8.2

We have a client with a legacy software running on Windows Server 2003 R2 on a Citrix XenServer 7.1 hypervisor. WE need to upgrade their other Windows Server 2008 R2 to Server 2019 so we built a ...
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2answers
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How does SAN provides block access to data?

I was reading about file storage and that lead me to SAN. I read about SAN and that it provides block access to data. I was looking for these concepts in some video, where the guy creates a VM on some ...
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191 views

How to in-place register a VM to the host's default location

There seems to be a glaring hole in Hyper-V's virtual machine export/import toolset. Perhaps I'm mistaken with this assessment, but I don't think so. I have a VM that I restored from backup after a ...
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On Google Cloud, what is the most cost-effective VM configuration for Ubuntu 16.04 + Anaconda Python + Jupyter Notebook + GUI via VNC?

I will use this VM for personal learning purposes, ~4 hours per day. For now I don't want to use GCP services like AI Platform Notebooks and others. I want to install all applications directly on the ...
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Can't connect to GCP Windows Server 2019 VM

I was able to connect to my instance via RDP absolutely fine for several months, then suddenly one day I wasn't. RDP can no longer find the instance when it's turned on, citing the generic "...
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1answer
36 views

Pinging 8.8.8.8 via a windows 10 client going through windows server 2012 gives a request timedout error

This is my setup in virtualbox. A DHCP Scope of range 112.123.1.100 to 112.123.3.188, Length = 16, Router IP is 112.123.2.2 (this also is the IP of the server the DHCP is configured on). After this I ...
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1answer
32 views

How to join an instance to AD in GCP Managed Instance Group - AutoScaling?

I am creating a Managed Instance Group in GCP. Below are my steps: Created a disk image from exiting Windows VM (name: app01) Created an Instance template with disk Image Created a Managed Instance ...
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29 views

Hyper-V Centos VM (VHDX) to ISO for Virtualizor VPS Deployments

I have an application that is installed on a customized version of CentOS 8 with various dependencies. I set this Virtual Machine up on my Windows laptop with Hyper-V. Hyper-V uses VHDX files. The ...
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Unable to access ports on Azure VM

I created a Windows VM on Azure, I was able to access it via RDP. I hosted a site on IIS and linked it to a port(8010), accessed it through localhost:8010. Then I made an Inbound filter rule on the ...
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30 views

Workstation virtualization on workstation host

Problem exposition I am a system administrator in our company, and I am currently researching a possible solution for more stable workflow in a our company. Our company is a chain of hundreds general ...
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1answer
39 views

ESX 6.7 VM not starting up after vmdk move

On one ESX, I have one VM with storage issues on a vmdk. So bad that the VM wouldn't start. I had this error message : 2020-12-03T11:51:41.397Z| vmx| I125: [msg.hbacommon.outofspace] There is no more ...
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1answer
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Azure: How to give an VM a NAT address and make the VM only accessible from specific IP address?

I am new Azure, and I just finished creating my first VM. Now I want to give the VM a private IP address (10.0.0.200), and make the VM only accessible from specific public IP addresses. I want the ...
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Accessing VM Ubuntu Server's FTP by redirecting the ip and port

So I got Ubuntu Server 20.04 VM(Virtualbox) installed on Ubuntu Desktop. How do I redirect the FTP if it will be accessed by the Ubuntu Desktop's IP (192.168.8.11:21)? (see the Network Topology)
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1answer
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Azure Recovery Services Vault - Copied Stored Permanently?

I created a recovery services vault in Azure to back up a few Azure VM's. I've been performing daily backups of the VM's but the VM's are no longer needed. I see settings for weekly/monthly/yearly ...
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17 views

Remote Desktop UWP app Error Code 0x4 for virtual network

My PC is Win10. I have VM running in VMware. It has additional "Host-only" network adapter. I use this virtual network to redirect remote desktop connection. For example: on host machine I ...
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46 views

Cannot ping to/from IPv6 address obtained from DHCPv6 server

I have two Qemu virtual machines with Ubuntu Server 20.04. I would like one of them to be a DHCPv6 Server. I am able to get IPv6 address on the client from the server, but I cannot ping to and from ...
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How does terraform ssh to virtual machines in vsphere if It didn't set a password before

I am trying to deploy a linux VM on Vmware ESXI using terrafom but I don't understand how in the documentation they use a given username and password to ssh to a machine without having set this ...
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1answer
34 views

Azure VM with only private ip that can surf internet?

In my past experience, VM with only private ip (no public ip) cannot surf internet. but today i create VM with only private ip. i run this command for check "Invoke-WebRequest -Uri https://google....
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1answer
39 views

Attempt to copy files from google cloud bucket to VM instance using gsutil is falling after reaching size limit

I have a bucket with a file whose size is larger than 11 GB. I note that I can access all bucket's data from the standard google cloud console. Unfortunately, this console has very limited ...
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1answer
97 views

Is it possible to ping to an interface that is a part of a Linux bridge?

My goal is to connect a virtual machine A with a virtual machine C through a virtual machine B that has two interfaces. When I create a bridge on these two interfaces I can ping A<-->C but I ...
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1answer
53 views

Libvirt guest hostnames DNS resolution from host and guests

I have set up multiple virtual machines with libvirt and kvm on Ubuntu server 20.04, which work just as expected. The only thing I cannot figure out at this point is how to make their hostnames ...
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2answers
127 views

KVM hypervisor - Windows 32bit VM, RAM up to 2GB usable

I've got a Debian 10 KVM hypervisor, no libvirt or other tool to administrate it, using QEMU scripts. I need a 32bit Windows VM for a legacy app, but on a supported OS (not XP), either Windows 8.1 or ...
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1answer
26 views

Is it possible to transfer/share a disk from a spot vm to a regular vm in Azure?

I have a spot vm on Azure that I set up for testing a game server but the eviction/deallocation is really annoying when I'm in the middle of setup. Is it possible to transfer over the OS and Storage ...
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14 views

Using Puppet to configure hypervisor

I am looking to use Puppet to configure a bare-metal host to spawn VMs using Vagrant/VirtualBox, whose configurations will also be managed by Puppet. I think this can be achieved by: Installing ...
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2answers
66 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 ...
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66 views

Change BIOS UUID of a server running in Azure

I have a server that i'm running in the Azure cloud. And I have a server running Veeam B&R on a ESXi host on-prem. When I attempt to take a backup of the server running in the azure environment (...
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1answer
31 views

Can't connect to SQL Server setup on Azure VM

I've got Azure VM setup with SQL Server Express installed. I can connect with SSMS that's on the VM just fine, but can't connects from my computer. I've tried this guide, but still can't connect: ...
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1answer
50 views

I am trying to create a new VM in Azure and getting validation error as “Network interfaces should not have public IPs”

I am trying to create a new VM in Azure and getting validation error as "Network interfaces should not have public IPs". I am just trying to create a Ubuntu Server 18.04 LTS with all the ...

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