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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148 views

403 Forbidden Error on Azure Linux virtual machine [closed]

I am trying to access the freshly created virtual machine on azure via winscp and putty, through putty I am able to access the VM but via winscp I get following error, Proxy Error: 403 Forbidden. I ...
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37 views

VMs with same name an IP

Does Foreman support managing several VMs with same name and IPs, but with different certname? for example: NAME IP CertName VMLinux001 10.0.0.2 VMLinux001@domain.com ...
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1answer
147 views

Connecting two GNS3 setups in two VMs in the same PC

How do i connect these two gns3 setups in different VMs? It's all in the same PC. My end goal would be to ping each VPC to each other. I am already able to ping VPCs in with different VLANs but only ...
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2answers
304 views

How do I detach a disk from an Azure VM so I can re-attach it to another?

I have an Azure VM with a data disk attached and mounted in a folder in c:\ - the VM is bricked after uninstalling .NET 4.5 (don't do that on 2012 R2). I have created a new VM. Now how do I detach my ...
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1answer
57 views

When an Active Directory User Logs in to Local Windows 2012 Server Launch a Virtual Machine; Possible?

I won't get into the reasons why this needs to happen, however, is this possible. I have a Windows Server 2012 R2 box that needs to be used as a daily driver for a few of a clients employees. Ideal ...
2
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1answer
35 views

How to spec VM requirements based on historical data of transient processes on Linux?

I've been given a task to break apart the services on one of our main VMs (Amazon EC2) and appropriate additional VMs to suit the services needs. The type of services that I am dealing with are ...
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0answers
84 views

Azure java sdk : permission denied(public key) when trying to ssh to vm

I have created a virtual machine using this sdk: https://github.com/Azure/azure-sdk-for-java. While I can normally ssh to virtual machines created by hand, the ones created by code using this sdk ...
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0answers
47 views

Moving VMs and storage used space

I need to move around 1 TB of VMs from a slow SR to a SSD brand new SR. Xenserver pools and hosts are updated to the lastets patches (from 6.2 SP) Using a 1 GB switch and NICs it was quite fast to ...
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1answer
51 views

Is it possible to create a VM from an existing OS? [closed]

I have an existing OS (Ubuntu server) on a separate HDD that I'd like to clone to a VM (preferable VMware or similar capable or running from windows). Is that possible?
3
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1answer
552 views

Need to move VM to another host with different cpu

I currently have a VM configured with CPU 1 socket & 8 cores per socket. I need to move this VM to another ESXi 5.5 host which has 2 CPU sockets with 6 cores per socket. Will I will able to run ...
5
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3answers
140 views

How to detect virtual machines freezes

On cloud platforms you often hear that because of high load on neighboring VMs, disks over oversubscribed ethernet, backups, or live migration to other hardware, the virtual machine can 'freeze' for a ...
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1answer
113 views

vSphere vApp IP address configuration. How does vApp really work?

I have a pool of ESXi-5.5.0 servers that I have configured a single vApp on. This vApp is configured in transient mode to configure IP addresses from an IP pool I specified. I assigned a single ...
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1answer
572 views

Windows 8.1 stuck in Automatic Repair boot loop - Proxmox VE [closed]

I installed Windows 8.1 64B in a VM on Proxmox-VE. It was running fine for a few days until it needed to be rebooted (updates). First I tried reinstalling the OS which worked, until it needed to be ...
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1answer
346 views

New Azure VMs on virtual network have no connectivity to anything

A couple of days ago, I created a cloud-only Azure virtual network (no cross-premises connectivity), provisioned a domain controller/DNS server inside of it, and configured both my DNS server and the ...
5
votes
3answers
270 views

Converting VMware VMs to Hyper-V

Our company is looking to try out Hyper-V as a server virtualization solution so I am looking for the most efficient way to test everything out safely. My plan is to make a snapshot backup of each of ...
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0answers
41 views

Can't Create Win 7 VM with RHEL 6.5 VMM

I have a server running RHEL 6.5 that I primarily run VMs on it. The VMs I run on it are all Linux, with the exception of one that runs Server 2008 R2. Yesterday, I attempted to install Windows 7 as ...
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2answers
762 views

Lost RDP access to Azure VM after Sysprep

I made a stupid mistake. While looking for an easy way to make a backup of my Azure VM I followed directions to make a snapshot of the VM machine. In AWS (*which I am used to) a snapshot is a quick ...
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1answer
912 views

Cannot SSH to Azure Linux VM from terminal

ssh azureuser@xxx.cloudapp.net : 22 when I connect and enter the password I created, then it just goes back to the local prompt and does not actually show the remote prompt. I'm thinking I need to ...
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1answer
38 views

Logging VM activity at the hypervisor level

I have a virtual machine running (currently using virtualbox, but this is flexible), which users ssh into. I would like to log the actions the users take in the terminal, but do it from outside the ...
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2answers
42 views

VMware licnesing for vdi and server virtualisation [duplicate]

I am planning to virtualise 50 desktops as thin clients(concurrent users). Well i will need 5 servers where 3 will be used for server virtualisation and 2 for desktop virtualsiation.All the servers ...
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0answers
112 views

Network connection from old application to SQL Server 2008 R2 lost once in a while

We are trying to migrate an Axapta 2.5 database from SQL Server 2000 to 2008 R2. We are testing performance etc. on the new server, but once in a while, these two events are thrown on the Axapta ...
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0answers
112 views

No network adapters in Virtual Machine after converting from VirtualBox to Hyper-V

I've migrated from Oracle's Virtual Boxx to Microsoft Hyper-V running in Windows 2012R2. My virtual machines are also all Server 2012 R2. After migrating from VirtualBox to Hyper-V and creating new ...
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60 views

global ip address packets don't pass from tap interface to the virtual machine

i have a config: p6p1(physical nic, connected to isp with no addr promisc) -> pppbr0 (bridge with no addr promisc) -> tap0 (with no addr promisc connected to a vm) iptables configured: iptables -A ...
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1answer
197 views

How to create a bootable ISO image from a disk snapshot

I've taken a disk snapshot of my Ubuntu VM from Amazon EC2. The snapshot is a ZIP archive of the whole disk. I've downloaded and then extracted the snapshot. Now I would like to create a bootable ISO ...
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44 views

fdisk -l do not detect device accessed using iscsi o XEN virtual machine

I am experiancing an issue in accessing the iscsi target in VMs created on XEN hypervisor. I have used Suse 11 SP3 to configure this. After discovering the iscsi targets from VM , I am able to view ...
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1answer
326 views

How can I stop Azure from randomly replacing network cards on VMs?

Azure seem to have the habit of randomly changing the hardware configuration of virtual machines, without telling anything to the user. This is of course mentioned in the documentation, although ...
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0answers
66 views

Automatically configure networking on new VM in XenServer

We have a base RHEL 6.5 64-bit template that we use to create new VMs in XenServer. Every time we make one, we have to configure: /etc/hosts /etc/sysconfig/network ...
4
votes
2answers
107 views

Unrendered Black Areas In Windows via RDP

I'm connecting from Windows Server 2012 R2 to Hyper-V virtual machine running Windows 8.1 via RDP (mstsc.exe). The VM is hosted on the same machine from which I'm connecting. Everything was fine until ...
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2answers
401 views

install Gluster inside a VM, or set up a VM on top of Gluster?

I'm setting up a high-availability shared-nothing geographically-distributed web server, using multiple A-records for its domain. Right now I'm more concerned with high availability -- "When I unplug ...
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0answers
199 views

Hyper-V VMs keep losing network connection

We had a major power loss in our server room two days ago and several Cisco Nexus 2232PP FEX devices went down. We were able to get everything back online, but since that event we've been experiencing ...
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1answer
172 views

Should the Windows Time (W32Time) service be enabled in an Azure VM?

When connecting to a newly created VM in Azure, there's an alert under Services: When clicking on it, it says the Windows Time (W32Time) service is stopped: Should it remain like that, ...
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1answer
336 views

Disk partition to Virtual Machine / OpenVZ container

I am relatively new to running virtual machines / OpenVZ containers so if I have miss understood something please let me know. I currently have Ubuntu 14.04.1 installed straight to a partition on my ...
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3answers
2k views

How can I change Qemu KVM machine architecture from 440fx to q35 with virsh edit or virt-manager

Still trying to get GPU passthrough working and decided to change machine type from older 440fx to q35 ie pc-q35 but if I do virsh edit on the config it refuse to save saying "PCI Bridges not ...
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0answers
52 views

Mysql with low memory on development environment

How to set mysql to run on very low memory? (preferably under 100MB and max 250MB) Currently it's running for about 400mb. I can't turn off the innodb because production using innodb. Is there any ...
0
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1answer
34 views

Upgrading infrastructure [duplicate]

I work for my company's ECM group and my manager is considering pushing to upgrade the server infrastructure due to an increasing user community. Currently it's a single VM that has 2 cores and 4 gigs ...
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1answer
255 views

Azure Shared Ubuntu VMs dns each other

I have two Azure Ubuntu VMs. Named: myweb01.cloudapp.net and mypg01.cloudapp.net. When I'm on myweb01 i issue an nslookup mypg01.cloudapp.net which fails: azureuser@myweb01:~$ cat /etc/resolv.conf # ...
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2answers
92 views

How to crash Oracle VM intentionally by loading system parameters

I am using Oracle VM. I want to perform a stress test on system parameters like CPU, RAM etc. Can anyone help me out with the ways in which I can load the parameters with high load like using all the ...
0
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1answer
493 views

host only network xen 4.4

I have one IP address (ipv4) and I am trying to install a domU (debian stable) on a dom0 which runs the latest xen 4.4.1 on debian testing. I have created xenbr0 bridge and it is mapped to my eth0. ...
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votes
1answer
75 views

Connect to VMware workstation vitural machine from another computer on the network [closed]

How can I set up the networking on my VMware Workstation so that I may connect to webpages hosted on the VM within the same network? Update: Tried bridge networking and can not get it to connect to ...
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0answers
61 views

Do some network administrators assign MAC addresses with an unassigned OUI?

I am in a situation where I have observed MAC addresses on a network that do not belong to any assigned OUI range, and this is causing some issues. I suspect the cause here is a heavy use of ...
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1answer
287 views

Is there a way to connect VMWare Workstation / Fusion to non-esx Libvirtd-managed virtual machines?

I'm using KVM virtual machines managed through libvirtd server-side for most of my projects. On my desktop however, I'm using VMWare Fusion Professional which, just like its VMWare Workstation cousin, ...
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votes
1answer
191 views

Virtualized Linux firewall as router on the stick for cisco switch

I have got: Linux(virtual maschine on esxi) <---trunk---> cisco Switch. On virtual maschine vSwitch setup: VLAN ID 4095 Enables trunking on port group (VGT Mode) LINUX interfaces file: ...
0
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1answer
225 views

how do you stop and deallocate a windows azure virtual machine

If I shutdown a virtual machine in azure, it shows it's status as 'stopped'. But I am still getting billed for cores until I can get the machine into a 'stopped (deallocated)' state. How do I get ...
1
vote
1answer
70 views

What's the difference between Jumpbox and Microsoft App-V?

My organisation has been using App-V to package deployments to users machines in a Windows environment. We're now evaluating Jumpbox as a replacement in this space. The great thing about App-V was ...
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0answers
279 views

Configuring SoftEther on VM with two virtual ethernet card

I am very novice in networking and I just have basic knowledge. I have scenario that I'd like implement. I have a VMWare Windows 7 VM with two network interfaces. One shares the host's network using ...
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1answer
334 views

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 ...
0
votes
1answer
102 views

How to run azure pack portals on distributed enviroment

I installed and configured windows azure pack on 8 virtual machines, 1 component per VM, but after all installed I am trying to run the admin portal or tenant portal and both give me the same error ...
1
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1answer
65 views

Move an ESXi 5 image to anohter server

I have an ESXi 5 server with two large VMs. Both have several snapshots that have accumulated over time. I set up another ESXi to use as a backup system, but I am having trouble getting the images ...
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votes
2answers
1k views

No Ping/Telnet connection between VM

I am new in Azure and have one problem which I can not solve. I tried asking on StackOverflow, but - quoting - "You will have better luck asking on ServerFault". I want several Virtual Machines to ...
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2answers
77 views

Backup VMWare virtual server

I have a virtual server that is constantly running, lately we tried to do a backup for it and we were surprised that the modification date of all the image files is a couple weeks old. We are trying ...