Sunday, January 13, 2013

Step-by-Step: Build Linux VMs in the Cloud with Windows Azure

The Windows Azure Infrastructure as a Service (IaaS) offering supports running Windows virtual machines and Linux virtual machines in the Cloud. In this article, I provide step-by-step guidance for running a new Linux virtual machine in the cloud using our Windows Azure platform.

Windows Azure runs Linux VMs as a first-class citizen on our cloud platform, with support in the Preview offering for four common Linux distributions:

The best news is ? you can try this out for FREE by signing up for a FREE Windows Azure 90-day Trial of our Virtual Machine Preview.

If the standard Linux platform images don?t meet your exact needs, there?s several options for leveraging or customizing other images for Windows Azure VMs ?

Step-by-Step: Build a Linux Apache Web Server VM in the Windows Azure Cloud
In this scenario, we?ll work through the process of provisioning a new Linux Apache web server running SUSE Linux Enterprise Server 11 SP2 in a virtual machine on the Windows Azure cloud platform.

  • To prepare your Windows Azure environment, make sure you?ve first completed all steps in our Getting Started article.
  • After you?ve provisioned a new Linux virtual machine, we?ll be configuring it via a remote Secure Shell (SSH) console session.? If you don?t already have an SSH client installed on your PC, I highly recommend PuTTY.? Download PuTTY and install it before proceeding.
  • Open Internet Explorer and browse to?https://manage.windowsazure.com/ to enter the Windows Azure portal. Then, log in with your credentials.

  • In the menu located at the bottom, select New | Compute | Virtual Machine | From Gallery to start creating a new virtual machine.

    creating-a-new-virtual-machine
    Creating a new Virtual Machine

  • On the VM OS Selection page, click Platform Images on the left menu and select the SUSE Linux Enterprise Server 11 SP2 OS image from the list. Click the Next button to continue.

  • On the Virtual Machine Configuration page, specify a unique Virtual Machine Name and Administrative Password to be provisioned for the new VM.?

    image
    Virtual Machine Configuration

    Note: It is suggested to use secure passwords for administrative users and service accounts, as Windows Azure virtual machines could be accessible from the Internet knowing just their public DNS host names.? You can also read this document on the Microsoft Security website that will help you select a secure password: http://www.microsoft.com/security/online-privacy/passwords-create.aspx.

    Record the username and password information that you?ve entered above for use when remotely connecting to this new virtual machine later in this step-by-step guide.

    Click the Next button to continue.

  • On the Virtual Machine Mode page, specify a unique public DNS host name that you?ll use to initially access this new VM remotely.? For the Storage Account and Region/Affinity Group/Virtual Network fields, select the storage account and affinity group that you previously created in the Getting Started article.

    Click the Next button to continue.

    image
    Virtual Machine Mode

    Record the public DNS hostname for testing this new virtual machine after the configuration steps are complete.

  • On the Virtual Machine Options page, accept the default values and click the Checkmark button to begin provisioning your new virtual machine.

    image
    Virtual Machine Options

  • You will be returned to the Virtual Machines page and your new virtual machine will be listed with a status of Starting (Provisioning) while it is being initially provisioned on the Windows Azure cloud platform.

    image
    Provisioning a New Virtual Machine

    As the new virtual machine is being provisioned, you will see the Status column on the Virtual Machines page of the Windows Azure Management Portal cycle through several values including Stopped, Stopped (Provisioning), and Running (Provisioning).? When provisioning for this new Virtual Machine is completed, the Status column will display a value of Running and you may continue with the next step in this guide.

  • After the new virtual machine has finished provisioning, click on the Name of the new Virtual Machine displayed on the Virtual Machines page of the Windows Azure Management Portal. This will navigate to a Dashboard page for this new virtual machine.

    image
    Virtual Machine Dashboard

  • On the Virtual Machine Dashboard page, make note of the SSH Details.? You?ll use this information to connect to the new virtual machine remotely via an SSH client to configure the Apache web server daemon.

  • On the Virtual Machine Dashboard page, click on the Endpoints link located in the top navigation area of this page.? This will navigate to the Endpoints page for this virtual machine, listing all firewall endpoint traffic that is currently permitted inbound to this virtual machine.

    image
    Virtual Machine Endpoints

    Note that SSH traffic has automatically been permitted inbound to this new Linux virtual machine, but no other network traffic is permitted by default.? In the next two steps, we?ll add a new endpoint to permit inbound web http traffic to our virtual machine.

  • On the Virtual Machine Endpoints page, click the +Add Endpoint button located on the bottom toolbar of this page.? This will launch the Add Endpoint wizard.

    image
    Add Endpoint Wizard

    Click the Next button to continue.

  • On the Specify the details of the endpoint wizard page, enter a name ( web-http ), a public port ( 80 ) and a private port ( 80 ) in the respective fields.?

    image
    Specify the Details of the Endpoint

    Click the Checkmark button to provision the new endpoint.

  • On your PC, launch an SSH client, such as PuTTY, and establish a new remote SSH session to your virtual machine using the SSH details recorded in Step 9 above in the Host Name and Port fields of the SSH connection properties.

    image
    Establish a new Remote SSH Session with PuTTY

    Click the Open button to establish a remote SSH session to your virtual machine.

  • Because this is the first time connecting to this virtual machine, you may be presented with a Security Alert dialog box prompting you to accept the host key for securing this SSH session.??

    image
    PuTTY Security Alert during First-Time SSH Connection

    Click the Yes button to accept this host key into your SSH client cache and continue with establishing the connection.

  • In the new SSH session window, authenticate with the Username and Password information recorded above in Step 4 above.

    image
    SSH Session Window

  • In the SSH session window, enter the following command to elevate your session for performing root-level administrative commands:

    sudo su -

    When prompted, confirm your identity by re-entering the same Password used to authenticate in Step 17 above.

  • In the SSH session window, install the packages needed for running the YaST2 setup and configuration tool by entering each of the following commands, pressing ENTER after each line:

    zypper install yast2
    zypper install yast2-ncurses
    zypper install yast2-ncurses-pkg
    zypper install yast2-qt
    zypper install yast2-packager
    zypper install yast2-runlevel
    zypper install yast2-network
    zypper install yast2-http-server

  • In the SSH session window, launch the YaST2 setup and configuration tool by entering the following command:

    yast2

    This will launch the YaST2 Control Center menu-based setup and configuration tool.

    image
    YaST2 Control Center

  • In the YaST2 Control Center, press ENTER on the Software menu choice and then select Software Management by pressing ENTER again. This will launch the YaST2 Software Management tool shown below.

    image
    YaST2 Software Management

  • In the YaST2 Software Management tool, press ALT+F to change the Filter type, select Patterns using your arrow keys and press ENTER.

    image
    Selecting a Pattern Filter

  • In the YaST2 Software Management tool, press TAB to switch your cursor focus to the Patterns List and scroll down using your arrow keys until Web and LAMP Server is highlighted.

    image
    Selecting the Web and Lamp Server Pattern Filter

  • In the YaST2 Software Management tool, press ALT+T to open the Actions menu, then press ALT+A to select All Listed Packages, then press ALT+I to select the option to Install All.? After this is completed, a + ( plus sign ) should appear next to each of the 9 selected packages.

    image
    Selecting to Install All Packages in the Web and Lamp Server Pattern Filter

  • In the YaST2 Software Management tool, press ALT+A to start the installation. Press ENTER when prompted for confirmation.?

    image
    Performing the Web and Lamp Server Package Installation

    Once the installation is complete, the YaST2 Control Center main menu will appear again.

  • In the YaST2 Control Center main menu, use arrow keys to select Network Services ?> HTTP Server to configure the newly installed Web server.

    image
    Selecting the HTTP Server Wizard Configuration Tool

    Press ENTER on the HTTP Server menu selection.

  • In the HTTP Server Wizard, press F10 on each screen of the wizard to accept default configuration values and finish the wizard.?

    image
    HTTP Server Configuration Wizard

    Once the configuration process is complete, the YaST2 Control Center main menu will appear again.

  • In the YaST2 Control Center main menu, use arrow keys to select System ?> System Services (Runlevel) to start the Web server.

    image
    Selecting System Services (Runlevel) to Start Web Server

    Press ENTER on the System Services (Runlevel) menu selection.

  • In the YaST2 System Services (Runlevel) tool, use arrow keys to select apache2 in the Service list.? Press ALT+E to enable and start the Apache HTTP daemon.

    image
    Enabling the Apache Web Daemon

  • In the YaST2 System Services (Runlevel) tool, after the Apache Web Daemon is started, press ENTER and then ALT+O to accept the new Runlevel changes.

    image
    Accepting the Runlevel Changes

    Press ENTER to confirm that changes will be saved.

  • After the above steps are completed, the Apache Web Daemon will be running on SUSE Linux Enterprise Server 11 SP2 in a virtual machine on the Windows Azure cloud platform.

    In addition to running Linux virtual machines on the Windows Azure cloud platform, did you know that Windows Server 2012 Hyper-V and our FREE Hyper-V Server 2012 products support running Linux virtual machines in your on-premise data center?

    Feel free to leave your comments below with your thoughts, questions and ideas for virtualizing Linux workloads on the Windows Azure cloud platform, Windows Server 2012 and?our FREE Hyper-V Server 2012.

    Source: http://virtualization.sys-con.com/node/2509943

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