Creating and Connecting to a Linux Virtual Machine Scale Set (VMSS)

INTRODUCTION

Virtual Machine Scale Sets (VMSS) in Azure offer an efficient and scalable way to manage multiple virtual machines (VMs). Whether you're deploying a web application, containerized services, or handling data processing workloads, VMSS provides auto-scaling, load balancing, and high availability.

Overview of Virtual Machine Scale Set

Azure Virtual Machine Scale Sets (VMSS) are a powerful feature in Microsoft Azure that enables you to manage and scale a group of identical virtual machines (VMs) in a consistent and automated way. VMSS is designed to handle large-scale applications, workloads, or services, providing high availability, performance, and resilience.

VMSS automatically scales the number of VMs in response to demand, ensuring that you only pay for the resources you need, while maintaining the performance and availability of your applications.

In this blog, I will guide you through on how to create and connect to a Linux Virtual Machine Scale Set.

Steps in Creating Virtual Machine Scale Set

• Step 1: Sign in to azure portal.com



• Step2: Create Virtual Machine Scale Set
  
  

  
  
  
  
  
  • Create subscription for the virtual scale set
  
  
  
  
  
  
  
  
  
  • Create virtual machine scale set name
  
  
  
  
  
  
  
  
  
  • Select Availability zone
  
  
  
  
  
  
  
  
  
  • Select the security type
  
  
  
  
  
  
  
  
  
  • On scaling configuration page click on pencil to edit scaling condition
  
  
  
  
  
  
  
  
  
  
  
  • Click save and make sure all the changes reflect on the configuration page
  
  
  
  
  
  
  
  
  
  • Click on apply force delete and save
  
  
  
  
  
  
  
  
  
  • Select the size of choice and leave VM architectural at default
  
  
  
  
  
  
  
  
  
  • Select generate new key pair and choose pair name or leave it at default
  
  
  
  
  
  
  
  
  
  • At network interface page
    Allow selected port to run ssh and Http and make sure you enable the public IP Address
  
  
  
  
  
  
  
  
  
  
  
  • Review
  
  
  
  
  
  
  
  
  
  • Click on download key during deployment
  
  
  
  
  
  
  
  
  

  • Click on go to resource
    
    

    
    
    
    
    

    • Locate and click on view inbound NAT Rules
      
      

      
      
      
      
      
      • Run Command prompt within administaror
        ssh -i pemkey username@fronted ip -p fronted port ( ssh -i ‪C:\Users\USER\Downloads\G_key.pem
        
        
        
        
        

        • Update and uprage the Vmss with the following command
          
          sudo apt-get -y update
          
          sudo apt gey -y upgrade

        
        

        • To be able to run on nginx
          
          sudo apt-get nginx

        
        

        • Copy the frontend IP address on new browser and enter to welcome to nginx

        
        
        
        
        

        

        
        
        

        Conclusion
        
        Azure Virtual Machine Scale Sets provide an efficient, scalable, and automated way to manage large groups of VMs, offering benefits such as auto-scaling, load balancing, high availability, and simplified management. VMSS is ideal for applications that require consistent, scalable infrastructure and can be leveraged for a variety of workloads, from web applications to high-performance computing tasks.

        
        
        

        By using VMSS, businesses can optimize both the cost and performance of their Azure environments while ensuring their applications are always available and responsive to user demands.

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