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Last updated on June 09, 2021
20 mins
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DevOps is an ideology, a culture, and a range of techniques. It improves the stability, integration, and automation between all the people necessary to prepare, design, test, deploy and deliver a solution.
If you have started to learn about virtualization tools, you may wonder how the technological debate on the difference between VMs and Containers. Containers are now a significant player in cloud-based development, so understanding these is essential.
Although container and VMs are different and have unique features, they are also related in that they both increase IT performance, enhance DevOps and the lifecycle of software development. DevOps Certification Training contributes to more excellent performance.
Virtual machines and containers both allow the deployment of multiple, independent services on a single platform. Both virtual machines (VMs) and containers can assist in maximizing the use of available system hardware and software tools.
While containers are the newcomers, virtual machines have been and continue to be extremely popular in computer servers of all sizes. Be sure that you clearly understand virtual machines and containers' principles and working strategies before embracing container-based development services for application development and software delivery processes.
| Serial | Virtual Machines | Containers |
| 1 | Virtual machines are a set of hardware-based guest operating systems that are implemented by a hypervisor. | Containers are a type of application that emulates several virtual environments sharing a single kernel. |
| 2 | Since each virtual machine in traditional virtualization has its complete operating system, and memory usage can be higher than required when running applications installed into virtual machines. | Containerized programs share an operating system (kernel) environment, consuming fewer resources and putting less pressure on the host's memory than complete virtual machines. |
| 3 | A significant amount of disc space can be occupied by traditional virtual machines. | Containers are lightweight. |
| 4 | They have a complete operating system and associated tools. | They contain only the libraries and resources required to run the containerized program, making them more lightweight and faster to start than VMs. |
| 5 | When it comes to operating system updates or patches, traditional VMs must be upgraded one at a time. | With containers, only the container host's operating system must be upgraded. This greatly simplifies maintenance. |
| 6 | A virtual machine (VM) is a piece of software that enables you to install other software within it, allowing you to control it virtually rather than installing it directly on the system. | A container is a software program that enables an application's various functionalities to run independently. |
| 7 | VM system applications can run multiple OS. | In a container system, applications operate on a single operating system. |
| 8 | Since virtual machines run on a separate OS, it isn't very easy to port a virtual machine. | Containers are conveniently portable due to their lack of distinct operating systems. |
| 9 | Deployment takes a while because each instance is responsible for execution. | Deployment is easy, as a single containerized image can be used on all platforms. |
| 10 | Virtual machine virtualizes a computer system completely. | A container, on the other hand, virtualizes only the operating system. |
| 11 | The size of the virtual machine is enormous. | While the container is very small, it is just a few megabytes in size. |
| 12 | Due to the VM's size, it takes several minutes to boot. | While containers run in a matter of seconds. |
| 13 | VM consumes a significant amount of system memory. | But containers consume significantly less amount of memory. |
| 14 | The virtual machine is more stable and secure. | Containers, on the other hand, are less stable. |
| 15 | Virtual machines are advantageous when we require the entire OS's resources to run multiple applications. | Containers are advantageous when we need to maximize the performance of running applications while using the least number of servers. |
| 16 | KVM, Xen, and VMware are all examples of virtual machines. | Containers include RancherOS, PhotonOS, and Docker containers. |
You can also see the difference between docker and virtual machines in detail here. DevOps Training assists in integrating the development and operations processes to achieve the best delivery system possible.
The architecture of a virtual machine can be divided into four distinct parts:
Until deploying any virtual machines, the hypervisor must be configured appropriately. Administrators can build virtual machines via a command-line interface using KVM, a Linux-based open-source virtualization technology.
What Is A Container?
Both virtual machines (VMs) and containers play a very significant role. Containers can operate on virtual machines (VMs), allowing them to use their existing automation, monitoring, and backup resources. Containers on VMs enable IT to work in containerized environments using existing VM-savvy teams.
The benefit of the DevOps Course is to provide more stable operating environments. If the process of DevOps Learning is continued, it can result in customer satisfaction from revenue.
StarAgile institute provides DevOps training online which discusses the VM's and Containers in detail.
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20 May 2023
18 mins
