Tagged Questions

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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11 views

Access private KVM from public KVM

I used qemu/libvirt to create two virtual KVM machines on my host. One with a public accessible static IP (PubVM with P.P.P.P) and one with private IP (PrivVM with 192.168.A.A). All machines have ...
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1answer
18 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 ...
0
votes
1answer
14 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 ...
0
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1answer
23 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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0answers
5 views

Can't reach Ubuntu guest vm from Windows host using VirtualBox Host-only interface [migrated]

I used to have this working, but had to reinstall VirtualBox this morning. I have Windows PC with VirtualBox installed. I have an Ubuntu VM. I am unable to access services on the Ubuntu VM from the ...
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0answers
3 views

Dreaded Failed to create the VirtualBox object error [migrated]

My VirtualBox has gone loco. It crashed so badly, the entire machine (Ubuntu Linux host) crashed and required a reboot. Upon reboot, everything except for VirtualBox appears to run fine. Attempting to ...
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0answers
11 views

Access my own Virtualbox' services? [migrated]

Basic newbie question and I did search a bit. I have Windows 7, installed Virtualbox, installed Ubuntu 14.04 in it. It runs fine and I can sudo apt-get just fine. What I want it for is its LAMP ...
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2answers
31 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
16 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
24 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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0answers
19 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
37 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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0answers
15 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 ...
3
votes
1answer
38 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 ...
0
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0answers
21 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 ...
3
votes
0answers
32 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
106 views
+50

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
60 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 ...
1
vote
1answer
29 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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votes
1answer
73 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 ...
0
votes
1answer
155 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
21 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
votes
1answer
32 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 ...
0
votes
1answer
65 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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vote
2answers
56 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
votes
1answer
76 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
31 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 ...
0
votes
0answers
40 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 ...
0
votes
1answer
82 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, ...
0
votes
1answer
60 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
votes
1answer
50 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
28 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 ...
0
votes
0answers
72 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 ...
1
vote
1answer
109 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
0answers
44 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
vote
1answer
52 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 ...
0
votes
2answers
187 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 ...
0
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2answers
44 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 ...
0
votes
1answer
72 views

Sql Server 2012 Disk I/O Too high

I am running SQL Server 2012 on windows azure VM Windows server 2012. This is a live Database, about 250GB, with high usage. I applied some best practice articles for the temp-db long ago, and also ...
0
votes
2answers
63 views

How can I ssh into a vagrant virtualbox VM from an external machine?

I'm trying to set up a server on my desktop with vagrant, but while I can ssh (via PuTTY) into the VM at localhost:2222, I can't ssh into it via my local or public IP addresses - even though I have ...
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votes
1answer
58 views

What is a good new server setup [closed]

Currently we have a server with several functions: domain controller, SQL server, WSUS server, file server, print server, exchange server, backup exec And in addition we still have an old server with ...
-1
votes
1answer
51 views

Get Access to root of Linux based virtual Appliance / Machine [closed]

I have installed an OVF on an ESXi standalone host, the virtual appliance is Linux base and i need to get access to the Linux Kernel of virtual appliance and do some change on it. it seems access to ...
1
vote
1answer
69 views

MS Access DB performance on a VMware virtual machine

In our office, we have a Windows 2008 virtual machine hosted on an HP ProLient ML350 G6. This VM has access to all of the resources available on the host. On this machine there are some Microsoft ...
1
vote
1answer
65 views

Advice on backup solution for Azure virtual servers?

I need to devise a backup solution for some Azure virtual machines, in a hybrid cloud scenario (persistent VPN, Active Directory DCs present in both the company LAN and the Azure virtual network, all ...
0
votes
1answer
33 views

Connectivity loss between VMs on VirtualBox until DNS cache is restarted

I use VirtualBox for a lab environment with VMs running various versions of Windows. One thing that keeps happening and I don't know why (never seen it before on my VMware servers) is that DNS ...
0
votes
1answer
124 views

Extend root logical volume for VM with Oracle Linux of VMWare

Please make me sure did I wrong thing, or not. I'm resizing the root partition which is under the LVM. This server is a VMWare's virtual machine with Oracle Linux. I'm using this article: ...
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votes
2answers
56 views

How many websites per virtual machine? [duplicate]

We are currently hosting about 10 of our own various websites on a virtualised host. Each website is hosted by its own virtual machine with its own apache. Some of the sites connect to a shared ...
0
votes
0answers
41 views

Replicate server environment and directory structure using Vagrant

I am a developer by trade but am not used to configuring VM's and servers, so I apologize if these questions seem rather novice. I have recently started trying to use Vagrant for local development of ...
-1
votes
1answer
56 views

Host CPID, Geast CPUID and UserCPUID / what are they?

i found out that there are some IDs associated to the CPUIDs in vmx file of each virtual machine, these IDs are; hostCPUID.{Num} hostCPUID.80000001 guestCPUID.{Num} guestCPUID.80000001 ...
1
vote
1answer
77 views

VM load and ping problems after replacing server motherboard

Recently, we had to replace the motherboard of one of our servers. The procedure was done by IBM as it had guarantee. The server runs ESXi 5.1, with several virtual machines, including our main mail ...