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Virtual Machine: How to Create and Deploy a Virtual Machine on AWS
December 29, 2021
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December 29, 2021
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A virtual machine is one of the most popular virtual environments for running software applications, from legacy programs to cutting-edge web apps. It’s instrumental when you need multiple operating systems or an isolated development environment to run applications.
To get a better understanding of this booming resource, let’s explore what a virtual machine is, how it’s created and managed, and why it’s so common in information technology (IT).
A virtual machine (VM) is a software demonstration and development model that simulates an operating system and its applications. VMs create a software simulation environment for testing software and application programs without physical hardware investment.
A virtual machine mimics the different aspects of an operating system or application program with guest operating systems hosted on it. These guest systems can be different architectures (e.g., x86 host and ARM guest) or different versions (e.g., 32-bit Windows XP, hosted within 64-bit Windows 7).
Because a virtual machine allows you to use apps and operating systems without physical setup, it’s a great improvement over traditional computing technology. The common properties of a VM are:
A virtual machine is like any other computer that operates on a central processor and runs guest operating systems. It provides resources beyond a single physical server, such as thousands of servers in terms of CPU power and network bandwidth. VMs are used in cloud computing applications because they allow easier scaling.
VMs are virtualized computing resources’ fundamental components that play a key role in creating applications, tools, or environments, both online and on-premises.
Here are some use cases for VMs:
Many cloud service platforms offer VM trials, but few provide them free of cost. AWS (Amazon Web Service) is among the popular cloud solutions as it allows hands-on user experience with free cloud virtualization platforms, services, and solutions. It also provides users access to over 60 features to develop their own cloud VM.
Amazon Web Services provides scalable and affordable cloud computing services. You can join this platform for free and only pay for what you use. Use the following eight steps to set up a virtual machine with AWS.
Once you finish setting up your account, you can click on the AWS logo on the top left corner or search “console” on the search bar. You'll find a number of options in the AWS console. Select "Launch a virtual machine" to get started with VMs. If you’re a new user, it can take up to 24 hours for your account to activate.
Amazon Machine Image (AMI) highlights the software setup (OS, application server, and apps). You can select Mac, Linux, or Windows OS. We’ll look at the setup for Windows virtual machines here.
After choosing your operating system, you need to pick an instance type. Amazon EC2 offers many instance types tailored to specific use cases. An instance is a virtual server or virtual machine. They come in a variety of CPU, memory, storage, networking, and a lot more.
You can configure instance details, such as the number of instances, network, host type, and so on. Here, we’ll use one instance and keep the remaining details default.
Once you configure an instance type, you can add or update storage info. AWS allows you to add more EBS volumes and instance store volumes, as well as change the root volume's parameters. Amazon Elastic Block Store (EBS) provides block-level storage volumes for use with EC2 instances. It behaves like raw, unformatted block devices. You can mount these volumes as devices on your instances.
The next step is adding tags. A tag is a label applied to an AWS resource. Each tag has a key and an optional value, which users define.
A security group is a set of firewall rules that control data entering and exiting your instance. You may either recreate it or pick an existing security group.
Security is a major concern when working on public clouds like AWS and Google Cloud Platform (GCP). Attackers can launch different attacks on public cloud deployments for lack of provider security. These attacks include DOS, DDOS, website defacement, and brute-force.
The final step in creating an AWS virtual machine is to go through your instance details. Make sure every detail is correct, then click “Launch”.
When you click “Launch,” you need to provide a key. To create a new key, select “Create a new key pair” from the drop-down menu and set a key name, for example, keytask, keytest1, and so on. Make sure you download “key pair” before launching your instance.
A key pair is made up of a public key stored by AWS and your private key file. They work together to allow you to connect to your instance safely.
Voila! You successfully created and launched a virtual machine on AWS. Now, check the launch status and connect to an instance.
After starting the instance, you can check the status using “Dashboard>Instances”. Select your instance in the instance dashboard and click “Connect”.
Select “RDP client,” click “Get password,” then upload the key pair downloaded when the instance launched (in step 7). After uploading the file, click “decrypt password” and download the remote desktop file.
Open the downloaded file and enter your password.
You should now see a screen similar to the one below, indicating that your AWS Windows virtual machine successfully launched!
Software developers are always looking to increase software efficiency for better usage and management. As explained above, virtual machines can be a great asset to both businesses and individuals, helping them get rid of the hassle of physical server management. All they need is a deep understanding of what VMs are and how they’re created.
Having an automated infrastructure to manage all of your applications is extremely beneficial when working on the cloud. Server outages and downtime are common when scaling infrastructure to meet the increasing demand.
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