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KVM Logo
Read 39 KVM reviews
31,552 views|24,061 comparisons
90% willing to recommend
Oracle Logo
30,250 views|22,360 comparisons
91% willing to recommend
Comparison Buyer's Guide
Executive Summary

We performed a comparison between KVM and Oracle Linux based on real PeerSpot user reviews.

Find out what your peers are saying about Proxmox, VMware, Microsoft and others in Server Virtualization Software.
To learn more, read our detailed Server Virtualization Software Report (Updated: May 2024).
772,679 professionals have used our research since 2012.
Featured Review
Quotes From Members
We asked business professionals to review the solutions they use.
Here are some excerpts of what they said:
Pros
"The performance is great.""I have found KVM to be scalable.""I find the density of the product most valuable. It is density that a technologist can just assign page merging. This is what makes KVM one of the important players of the virtualization market.""Documentation and problem-solving troubleshooting are the most valuable features. Performance (when fine-tuned and with "special" HW) is awesome, equal to or more than other enterprise closed-source solutions.""The initial setup was simple.""I like that this is an open-source solution. It is very powerful, and it's easy.""The product is really good...One can get good performance because of kernel-based virtualization.""I think nine out of the ten supercomputers in the world use Linux KVM, so I think that attests to the fact that it is a scalable product."

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"We find the consolidated support for this solution and other same vendor systems to be an extremely valuable feature. This allows for faster resolution of issues and consistency of support personnel.""The solution is easy to use.""It's mostly reliable.""The solution's technical support team answers all our queries.""If we use Linux, Solaris, or some other operating systems, we have to build a lot of packages using RPMs (the packet manager). That's a difficult task. With Oracle Linux, we use a single command to update from the Oracle website.""Oracle Linux is very compatible with other platforms.""The tool's performance is good.""It helps us to create users and groups. We can also plan on the access that will be given to them. I use it for identity management during the installment and configuration process. We use it to start or stop processes and services. Another use case of the solution is post-opening."

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Cons
"Support for VF is needed, where you can, for example, export from VMware to KVM.""We would like to have a software lifecycle solution included in this solution. We can handle the software needed for KVM, but also the software that we provide. A lifecycle component would be very beneficial.""There are some issues with the graphics and some software that is very complex.""I have encountered difficulties in getting the tool's documentation.""Monitoring and resolution could be improved.""The only negative aspect of needing hardware support is a fully functional KVM can be dropped. It would be nice if the support for other platforms, like ARM or Risk, were as good as the x86 one. However, with the democratization of Chromebooks based on these chips and mobile devices, it will not take long for that to happen.""The KVM tech support is really bad. They are not very responsive.""We still occasionally build Interlaced Wireless Protection within our environment. The ecosystem entails areas, where we support agents, and release backup and security solutions. Collaboration with independent software vendors (ITOLs or ITOLED) is necessary to offer these solutions to customers. However, the scope of the ecosystem in KVM is not as extensive as that of VMware's. In contrast, VMware boasts a robust partner network, allowing for comprehensive customer solutions. On the other hand, KVM’s ecosystem is comparatively limited in comparison. I would like to see FT features in KVM."

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"The documentation has room for improvement.""For usability, the GUI options during the initial setup could be included with advanced functionalities that are now currently only possible on the CLI.""The licensing price could be better.""The support process is time-consuming as it involves several steps.""It will be better to consolidate all the features in one release instead of sporadic releases.""The solution could improve by giving the client or customer more control.""The product's support is expensive.""It could also have a more user-friendly interface."

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Pricing and Cost Advice
  • "​It is free and can be run from your laptop, if needed, unlike VMware.​"
  • "It is cheaper than other competitors like VMware or Hyper-V."
  • "It is cheaper than other solutions out there on the market."
  • "This solution came with the Linux license."
  • "This solution is an open-source, free platform with paid support."
  • "It is free for everyone."
  • "The price is fair compared to others. But in our local market, it's a problem to get budget approval from management. That's why they are trying to get those products so we can give them the price benefit. But if you consider the international market or other products, it's sometimes better than their price."
  • "We had some problems with the licensing."
  • More KVM Pricing and Cost Advice →

  • "The pricing and licensing are good."
  • "Nowadays, Oracle is very open toward price negotiation; they negotiate well with their clients"
  • "This is an open-source product that can be used free of charge."
  • "The licensing is expensive."
  • "Oracle Linux is very cheap at this time."
  • "The solution is free."
  • "There is a license required for this solution and we are on an annual license."
  • "The licensing cost is expensive. It should be reduced by at least half."
  • More Oracle Linux Pricing and Cost Advice →

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    Questions from the Community
    Top Answer:KVM scales better, orchestration better, performs better and supports a wider range of hardware and, also, you can implement at ZERO cost and with a very powerful web interface for management, from… more »
    Top Answer:Small support team, small cluster, low core count, use VMware products Large support team, large clusters with many cores, use KVM KVM scales better, orchestration better, performs better and… more »
    Top Answer:Far from being an expert, my opinion is that the positive sides of KVM are: Lower costs and open-source which gives the abilities to customize it according to the specific needs of each customer.
    Top Answer:When comparing Oracle Linux and Solaris, I believe that Linux is more secure and more flexible. It is also very suitable for enterprises that are already Oracle solution users. I found Linux to be… more »
    Top Answer:Ubunto Linux is a complete Linux operating system that is freely available with both community and professional support. This solution is suitable for both desktop and server use. It has a very… more »
    Ranking
    Views
    31,552
    Comparisons
    24,061
    Reviews
    15
    Average Words per Review
    450
    Rating
    8.2
    Views
    30,250
    Comparisons
    22,360
    Reviews
    29
    Average Words per Review
    439
    Rating
    8.4
    Comparisons
    Proxmox VE logo
    Compared 24% of the time.
    Oracle VM VirtualBox logo
    Compared 14% of the time.
    Hyper-V logo
    Compared 12% of the time.
    VMware vSphere logo
    Compared 12% of the time.
    Odin Virtuozzo Containers logo
    Compared 0% of the time.
    Ubuntu Linux logo
    Compared 31% of the time.
    CentOS logo
    Compared 24% of the time.
    Rocky Linux logo
    Compared 14% of the time.
    Oracle Solaris logo
    Compared 9% of the time.
    Windows 10 logo
    Compared 0% of the time.
    Also Known As
    Oracle Enterprise Linux
    Learn More
    KVM
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    Overview

    KVM stands for Kernel-based Virtual Machine, which is an open-source virtualization technology that is embedded in Linux. KVM allows users to seamlessly transform their Linux system into a hypervisor that, in turn, will enable a host machine to run numerous, isolated virtual environments or virtual machines (VMs).

    KVM is part of Linux. Users with Linux 2.6.20 or newer already have KVM. As KVM is already a component of the current Linux code, it automatically improves with every new Linux fix, feature, or upgrade. So KVM users are always current and up to date.

    KVM automatically transforms Linux to a type -1 (bare-metal) hypervisor. All hypervisors need operating system components, such as a process scheduler, I/O stack, device drivers, memory manager, and more, to run a VM. KVM already has these components embedded, as it is part of the Linux kernel. Each VM is generated as a basic Linux proces,s which is maintained by the standard Linux scheduler, with dedicated hardware such as a graphics adapter, memory, disks, network card, and CPUs.

    KVM Key Features:

    KVM has many valuable key features. Some of its most useful features include:

    • Storage: KVM has the ability to use any storage protocol supported by Linux, including network-attached storage (NAS) and some local disks. Multipath I/O can be utilized to provide redundancy and improve storage. Disk images use thin provisioning, ensuring storage is used on demand. KVM is also able to use shared file systems, enabling VM images to be shared on multiple hosts.
    • Hardware: KVM is able to use a vast number of Linux-certified supported hardware platforms. As hardware vendors routinely contribute to kernel improvement, the most up-to-date hardware features are generally quickly added to the Linux kernel.
    • Memory: KVM effectively utilizes the memory management features of Linux, such as kernel same-page emerging and non-uniform memory access. The memory of a VM can easily be switched, supported by large volumes for improved performance, then backed by a disk file or shared.
    • Migration: KVM actively supports live migration so users have the ability to move any running VM between physical hosts with no downtime.
    • Security: KVM uses a blend of secure virtualization (SVirt) and security-enhanced Linux (SELinux) for improved VM security and isolation. SELinux determines security boundaries surrounding VMs. sVirt expands SELinux’s processes, permitting Mandatory Access Control (MAC) security to be used for guest VMs and preventing any manual labeling issues.

    Reviews from Real Users

    “The most helpful aspect of KVM is the fact that the interface is so minimal. It includes just what you need to set up the VMs and manage them, and it's very simple to do so. KVM, as a native virtualization solution, is a complete and fully adequate system for small businesses that need to reduce costs, and also to make maintenance easier. “ - Georges E., Business Engineer and Consultant at All-Tech

    “The most valuable feature of KVM is the hypervisor environment and how we can configure it with ease. Additionally, the interface is intuitive.” Sonu S., Senior Solution Architect at Micro Focus

    Oracle Linux is a stable, reliable, and scalable operating system primarily used for deploying and running Oracle databases. It is also suitable for various other functions, including managing operating systems and web servers, supporting traffic surveillance, and identity management. 

    Oracle Linux is highly valued for its stability, reliability, scalability, good technical support, and ease of use. It has helped organizations to achieve faster DNS queries, stable development environments, reduced vulnerability issues, good performance for Oracle applications, and improved ability to run test scenarios and parallel queries across massive databases.

    Oracle Linux Features

    Oracle Linux has many valuable key features. Some of the most useful ones include:

    • The software is 100% free (no cost) to use, distribute, and update
    • Ksplice allows for zero-downtime kernel and user-space upgrades
    • DTrace provides comprehensive kernel and application tracing
    • For Oracle Linux Support clients, Linux management and high availability are available at no additional cost
    • It's Oracle-optimized and works well with Oracle Database and Oracle Applications
    • New workload optimizations:
      • Enhanced memory performance by attempting to better locate a process near its memory and better placement of tasks that do not fit on a single NUMA node
      • SPECjbb's performance has been improved by up to 3.6 times thanks to optimizations that help reduce lock contention.
      • With bcache, it's simple to employ SSDs as a block cache for slower block devices. A new, scaled block layer subsystem supports many millions of IOps on NVM-Express and high-end PCI-E devices.
    • Oracle Linux has three deployment options:
    • Linux in the cloud: Oracle Linux Premier Support is included in all Oracle Cloud Infrastructure subscriptions at no additional cost.
    • Linux on premises: This is the industry's most comprehensive and open Linux distribution.
    • Embedded Linux design: Embedding a feature-rich Linux distribution is an optimized, cost-effective solution for your business.

     Oracle Linux Benefits

    There are many benefits to implementing Oracle Linux. Some of the biggest advantages the solution offers include:

    • Save money by only paying for support for the systems you need
    • Improve security by applying patches faster and spending less time troubleshooting and updating
    • Improve Oracle software and hardware performance

    Reviews from Real Users

    Oracle Linux stands out among its competitors for a number of reasons. Two major ones are its stability and scalability. PeerSpot users take note of the advantages of these features in their reviews: 

    One PeerSpot reviewer, an IT Manager, reports, “I find the virtualization the most valuable.” He adds, “Oracle Linux is the best Linux operating system that I have ever known. It is very stable and strong.”

    An Enterprise Architect at a financial services firm writes of the solution, “You also don't have memory issues, especially when it is engineered with platforms like Exadata and Oracle Cluster. These give you the most throughput and performance.” He adds, “It is very scalable, especially on platforms like Oracle Cluster and Exadata.

    Sample Customers
    MediaWiki, Wikimedia Foundation, Wikipedia, Wikivoyage, Wikidata, Wikiversity, Commons
    See here
    Top Industries
    REVIEWERS
    Computer Software Company25%
    Aerospace/Defense Firm13%
    Financial Services Firm13%
    Manufacturing Company13%
    VISITORS READING REVIEWS
    Computer Software Company16%
    Comms Service Provider10%
    Financial Services Firm8%
    Government8%
    REVIEWERS
    Computer Software Company17%
    Financial Services Firm15%
    Comms Service Provider12%
    Retailer10%
    VISITORS READING REVIEWS
    Computer Software Company14%
    Government10%
    Educational Organization9%
    Manufacturing Company8%
    Company Size
    REVIEWERS
    Small Business54%
    Midsize Enterprise15%
    Large Enterprise32%
    VISITORS READING REVIEWS
    Small Business27%
    Midsize Enterprise18%
    Large Enterprise55%
    REVIEWERS
    Small Business32%
    Midsize Enterprise10%
    Large Enterprise59%
    VISITORS READING REVIEWS
    Small Business23%
    Midsize Enterprise16%
    Large Enterprise62%
    Buyer's Guide
    Server Virtualization Software
    May 2024
    Find out what your peers are saying about Proxmox, VMware, Microsoft and others in Server Virtualization Software. Updated: May 2024.
    772,679 professionals have used our research since 2012.

    KVM is ranked 4th in Server Virtualization Software with 39 reviews while Oracle Linux is ranked 3rd in Operating Systems (OS) for Business with 108 reviews. KVM is rated 8.0, while Oracle Linux is rated 8.4. The top reviewer of KVM writes "Delivers good performance because of kernel-based virtualization". On the other hand, the top reviewer of Oracle Linux writes "The operational system is the best and is packed with free features like CapsLive". KVM is most compared with Proxmox VE, Oracle VM VirtualBox, Hyper-V, VMware vSphere and Odin Virtuozzo Containers, whereas Oracle Linux is most compared with Ubuntu Linux, CentOS, Rocky Linux, Oracle Solaris and Windows 10.

    We monitor all Server Virtualization Software reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.