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Exercise: Creating a Windows Virtual Machine (VM)

This is a previous version of a windows-only VM walk through from 2020, kep for historical reasons

Please use our updated version that covers both Windows and Linux

Link to Video for this Excercise

Link to Video for this exercise on mediaspace.msu.edu (requires log-in)

About

This is an exercise and introduction to creating Virtual Machines (VMs) and related resources using the Azure Portal. This exercise assumes you understand how to use the Azure Portal, which is covered in the Azure Portal Walkthrough. In addition it's helpful to know what a virtual machine is but it's not crucial to complete the exercise. For more information on VMs see session 2).

We will use a pre-configured virtual machine with software already installed. When creating a VM you can use an Azure template and there are many of these. The Data Science Virtual Machine (DSVM) from Azure has R, Python and many data science and statistical libraries available. For more information about the Azure DSVM see https://azure.microsoft.com/en-us/services/virtual-machines/data-science-virtual-machines/

Requirements

You need an account in azure with an active subscription, and a resource group of your own to work in. Fellows have these things provided.

Creating and Connecting to a Windows Virtual Machine

Requirements

To connect to a Windows VM desktop, it's recommend you use the Microsoft Remote Desktop client.

Creating a Windows Virtual Machine

If at any point, or if you are exploring, you can't seem to get the configuration correct (or there is a validation error you can't fix), starting over will not create any resources or incur charges. Go back to step 1 below.

1. Selecting the Resource Template

In the Azure Portal open the top left menu, and click "+ Create a resource" option (the first option)

In the create resource search box, type "data science virtual machine"

In the options select **Data Science Virtual Machine - Windows 2019 **

The "Plans" section has a description of the template if you would like to know more.

Click the "start with a pre-set configuration" option.

2. select the pre-set configuration

These configurations help to select your VM size based on your activity. We will use the default options and click "Continue to create a VM"

The options do not affect the outcome of the exercise so at this step explore each option

Click "Continue to create a VM"

3. Configure the VM using the Azure Portal

The resource creation forms work as described in the Azure Portal but since we used a pre-set configuration some of the values will be completed.

Basics

  1. The Subscription should be "Cloud Computing Fellowship" and resource group should be your CF resource group (with your netid). As we create additional resource groups for this

  2. Virtual machine name Name: CF21-netid-dsvmtest One option is to combine the project (e.g. the fellowship), your net id, and some description of what you are doing. In the name above, replace "netid" with your own MSU netid.

Note that different resources have different naming restrictions. For example VMs the rules are "can be almost anything, but Azure resource names cannot contain special characters \/""[]:|<>+=;,?*@&, whitespace, or begin with '_' or end with '.' or '-' "

Note if you have an existing VM with this name, add a number 2 or other suffix. We will delete this VM and create something more suitable in the future. 1. Region Select "(US) North Central US" 1. Availability Options select "No infrastructure Redundancy required"
this option is for critical infrastructure that needs to withstand a serious outage (e.g. if a hurricane affects a data center).
You may also see an "availability zone" option appear (perhaps with an error message "The value must not be empty"). Selecting ""No infrastructure Redundancy required" in the availability zone will remove the "availability zone" field and error message. 1. Image should be "Data Science Virtual Machine - windows..." if this is change you may 1. Azure Spot Instance leave unchecked.
1. Size You can leave the size that is currently selected.
This is how you select the specifications for CPU and memory. The size you for this exercise doesn't matter for the outcome, but it will show prices which may be interesting. If you click this drop-down menu you may see some other sizes and prices. The Monthly price assumes 24 hour/day operation. Your price to experiment will often be less than $1.00
1. Administrator Account Just like you need to log-in to your own computer, you must create a user account for the VM. Select a User name and account that you will easily remember, because you will need it to log-in to the new VM. * username : use any user name you will easily remember, perhaps your netid * password : something you can remember, but is complex to be secure. Do not use your MSU password or any other passwords you use 1. Licensing Unlike Linux, Windows requires a license, and this option are for organization with an arrangement with Azure. Leave this box unchecked.

Disks and Other Settings

For this exercise we'll be using the default values for almost all the pages except for Basics page. However you are encouraged to look through these options to see what is involved in creating a virtual machine. The Azure VM documentation covers many of them. For example a VM requires several networking components. The good news is that Azure will name and create these for you, which will see.

Tags

Using tags will be essential for identifying which components go to which VM. This is the metadata associated with these resources. I suggest using a tag like "activity" to indicate which of our activities was used to create these resources.

  1. Click "tags" in the top row of options (just before 'review and create')
  2. In the first row, For Name, type activity and for the Value type session2
  3. click "review and create"
Review and Create

If there are errors the form name will have a red dot next to it. Go back to that form and see what may be the issue.

If the Validation passed, it will display the approximate hourly cost to use this VM. Mine says 0.1920 USD/hr

Click "Create" and the deployment will start. It will take at most 15 minutes.

4. The Resources

While the deployment is in progress you may explore the operation details or click any of the resources that have been created.

  1. Open your resource group in the portal:
    1. click the portal menu on the top left, and select "resource groups"
  2. From the list, select your CF21 group.
  3. When the deployment is finished, you should see several new resources
    • They will have the same name prefix "CF21netid-dsvm" but may have a suffix indicating the kind of resource (e.g. CF21-netid-dsvm1-ip
    • The second column is the "type" which helps identify what they are

Resource Group List click for a large view in a new tab/window

  1. Select the item with type "virtual machine" and click on the name to open its resource page (for example, cf21-billspat-dsvmtest item in the screenshot above)

5. The VM Resource Page

To see the details for your virtual machine, click the VM in your resource group if you haven't already.

Azure Portal view of an example VM click for larger view

There are many details here but some immediate things to notice:

  • in the top row are buttons to connect, start, restart and stop the vvm.
  • in the top, "essentials" section the "status" should be "running."
  • on the right side is the assigned IP address which you need to connect. Highlight and copy and paste this address. If you click the link on the address, it will take you to a new resource page just for the IP address (which is a distinct resource assigned to this VM resource)

6. Connecting

You may connect to this VM running the Windows operating system with either graphical desktop, a command line connection, or both.

The following Azure documentation describes how to connect to a Windows VM:
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/connect-logon

Here are more detailed instructions:

There is a 'connect' link above the 'essentials' list, and a connect link on the left side - they both go to the same place.

Connect with RDP (remote desktop protocol) is a Microsoft method for connecting to the graphical desktop. For Mac/Linux requires additional software (mentioned at the beginning of this page).

  • Click "connect" and select "rdp" if it isn't already.
  • click "download RDP file" button and save the .rdp file anywhere on your computer that you find it again

  • after it's download, and if you Mac users have installed the RDP client, then double click the .rdp file to open your remote desktop software.

  • On windows, any security or error messages, click "connect"

  • Alternatively you may also open your RPD software without downloading the RDP file, and copy the IP address listed on and paste the IP address that is listed on the resource page for the VM

Entering an IP address into the Windows RDP client

  • When you connect, if the VM is not running, you will get an error message. Here is what the Windows screen looks like:

Windows remote desktop Certificate Warning

This is because we are using a temporary certificate but it is secure. Click "Yes"

  • Enter the Username and password you used when configuring the VM in the "Basics" section above.
    • you may be able to simply enter the user name and password directly
    • If not, in the Windows Security window, select More choices and then Use a different account. Enter the credentials for an account on the virtual machine and then select OK. If the user account you entered does not work, you may have to put your user account in domain\username form, and in this case, the domain is the name of the virtual machine and it is entered as vmname\username, with a back-slash in-between, and with the same password.

Once you connect, you may see Windows starting up and installing things. Feel free to close any windows. Once the installations are finished, you may use the machine as you would any other windows computer. If you type Rstudio in the search box, you may launch an Rstudio session on this remote computer. It also has Python, many python libs and Jupyter notebook.

We will cover how to transfer code and files to a VM in a later session.

When you finished with your remote session you may simply close the remote windows (leaving the VM running. See below for how to turn it off and delete it.

Optional: Connect to the Windows DSVM with ssh

This windows machine has an SSH Server running, and the security settings from the pre-configured version allow connections from SSH. If you are familiar with ssh and the command line, you may start the CMD.EXE on your windows computer, or the Mac Terminal, and enter ssh <username>@<ipaddress>

Where the username is the user you put for your VM when you created it, and the Public IP address is listed on the VM Resource page.

This is similar to how you connect to the MSU HPC, if you are HPC user.

You will be asked to add the host to your list hosts, and enter the password you used when you created the VM.

When you log-in you will be connected to the Windows command prompt (e.g. C:\Users\username>

To Exit, type exit at the command prompt.

7. Starting and Stopping the VM

There are three ways to "stop" or turn off a VM.
1. when connected to it, e.g. in the remote desktop, use Windows to turn it off. The VM is then "stopped." The VM is not running, but it is still "allocated." When you turn it back on, it will come on immediately. 1. Use the Azure portal to "stop" the VM which shuts down Windows (gracefully if possible) and 'deallocates' the VM. Restarted the VM appears to be the same process, but Azure must allocate resources first to run it, then power it up. This is cheaper then the first method in the long run 1. Delete it.

Stopping (deallocating) the VM with the Portal:

  1. Go to the resource page for the VM, if you are not already.
  2. If you are just entering the portal, find your resource group, find the VM in your resource group (identified as a VM in the "type" column of the list of resources), and click to open the resource page.
  3. The Status field near the top of this screen will indicate running or stopped.
  4. Find the Start and Stop buttons near the top of this screen and click "stop" if the machine is running.
  5. There is a warning about losing your IP address, with a check box to reserve it.
    • If you plan on deleting the VM now, click "ok"
    • If you plan on restarting the VM and reconnecting, first check the box "reserve the IP" then click OK
    • The default is to use a "dynamic" address which is assigned every time you turn on the VM
    • When using a dynamic address, you must copy/paste the ip address, or re-download the RDP connection file everytime you restart the machine
    • the solution is to use a "Static IP" either when you create the VM, or assigning one after the VM is created. and checking the box does so.
    • you can also convert to a static IP with the portal, but it is not a straightforward process, see https://docs.microsoft.com/en-us/azure/virtual-network/virtual-networks-static-private-ip-arm-pportal
    • Pricing for a static ip is here: https://azure.microsoft.com/en-us/pricing/details/ip-addresses/ which as of now is $0.0036/hour which is charged even if the VM is turned off. That is approx $2.70/month
  6. It's a good idea to leave VMs in a "stopped (deallocated)" state if you are not using them for computations or providing a service, just as you would turn off or put your laptop to sleep. The main reason for this is for security.

8. Deleting the Resources

  1. Open the Resource group as above
  2. When creating resources using the template as we did above, the resources associated with this VM will all start with the same prefix, so they are easy to identify. Select them with checkboxes, and click the "Delete" button which is on the top right of the screen (not the "delete resource group" button)
  3. If it's not obvious which resources are all included, you may also use the "tag" you created to filter what is listed and only show those with the same "tag." For more information see https://docs.microsoft.com/en-us/azure/azure-portal/manage-filter-resource-views . IF you add filter on tag, then you may select all the items that are shown, and delete those.
  4. after selecting confirm the deletion by typing "yes"