virtual-machine

问题 Does the host OS impose limitations on the guest OS for a Type 2 virtual host (i.e. VirtualBox)? For example: In Ruby, creating a child process is as easy as making a call to fork. However, forking on windows is not supported and instead an entire process must be spawned for multithreaded. As I understand, this is a limitation of the operating system and not the programming language. Will having Windows as the host OS force these restrictions on a linux guest OS? How are commands given to the

问题 How can I use Powershell to shutdown a Virtual Machine created using the Azure Preview Portal when there is no Cloud Service Name? i.e. what do I put for the ServiceName parameter... Thanks! 回答1: If it's a vm created using the resource manager api (and I guess it is if it doesn't have a cloud service), you need to switch to the resource manager mode in Powershell and access your vms from there: Switch-AzureMode -Name AzureResourceManager $vms = Get-AzureVM 来源： https://stackoverflow.com

问题 I have the code below that retrieves CPU Percentage of an Azure vm. I want the metrics for Network In, Network Out, Disk Read Bytes, Disk Write Bytes, Disk Read Operations, Disk Write Operation. It doesn't seem to matter what I put for queryString, I always get cpu percentage. How can I get the other metrics? private void test() { string vmName = "myVM"; string resourceId = "/subscriptions/{subscriptionId}/resourceGroups/ResourceGroupWest/providers/Microsoft.Compute/virtualMachines/" + vmName

问题 I'm running Ubuntu 10.10 in VirtualBox with Windows 7 as host. I have a java Web Service which I deploy onto a Glassfish3 server in Ubuntu and I want to be able to reach it from the host, according to the VBox documentation I should port forward port 8080 which is the port that my client application connects to on my host. To do this I do the following command in Windows VBoxManage modifyvm Ubuntu --natpf1 glassfish,tcp,,8080,,8080 which should forward my hosts 8080 port to my VM's 8080 port,

问题 Using vagrant, I git clone 'd my java app to c:/shared . In my Vagrantfile , I specified that my host's c:/shared will be mapped to /home/vagrant/myapp on my Virtual Machine. When I run mvn clean compile from within the VM, I ran into this error: core/myapp/target/classes/com/myapp/... at org.apache.maven.plugin.clean.CleanMojo.execute(CleanMojo.java:215) at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:133) at org.apache.maven.lifecycle.internal

问题 I am trying to set up the hadoop environment following the instructions listed in the book Hadoop For Dummies on a virtual machine. One of step indicates the following code - yum install hadoop\* mahout\* oozie\* hbase\* pig\* hive\* zookeeper\* hue\* When I run that I get the following error - [root@localhost Desktop]# yum install hadoop\* Loaded plugins: fastestmirror, refresh-packagekit, security Loading mirror speeds from cached hostfile * base: centos.mirror.crucial.com.au * extras:

问题 Is it possible to downgrade an Azure VM A8 (high compute) to a lower version like an A3? I keep getting the following error message when I try. I don't have an availability set setup. Thanks! "Unable to upgrade the deployment. The requested VM size 'Large' may not be available in the resources supporting the existing deployment. Please try again later, try with a different VM size or smaller number of role instances, or create a deployment under an empty hosted service with a new affinity

问题 Azure provides a way to access a VM using *.cloudapp.net , is there something similar in GCP? If yes, where/how can I see the exact CNAME for accessing the instnace? I read it that its *.googleapi.com , but not able to find it anywhere on GCP portal Note this SO question comments says it should be of format computername.c.googleprojectid.googleapis.com , is that not correct? 回答1: Google Cloud Compute Engine virtual machines (instances) are accessed by IP address outside Google Cloud or by

问题 Context : I execute automated GUI tests on virtual machines (there are few of them) on running on windows and using UFT/Ranorex, executions are piloted by Jenkins. Problem: VM must have an active graphic session, otherwise, UFT won't run GUI tests (unable to launch browser) and Ranorex will run but poorly and without screenshots. i mean that in my tests, the VM is configured not to "sleep" or to have any screen saver, vm is connected with jenkins properly. The behavior is : i launch via

问题 Closed . This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 2 years ago . What is the difference between those two? I want to control resources down to the user level from the dashboard. Just wanted to know what are the advantages of using ManageIQ or Horizon. 回答1: What is the better option? It depends on your needs... ManageIQ provides the tools