{"id":97,"date":"2016-07-18T16:31:12","date_gmt":"2016-07-18T13:31:12","guid":{"rendered":"http:\/\/community.virtono.com\/?p=97"},"modified":"2016-07-18T16:31:12","modified_gmt":"2016-07-18T13:31:12","slug":"what-is-the-difference-between-kvm-and-openvz-virtualization","status":"publish","type":"post","link":"https:\/\/www.virtono.com\/community\/knowledgebase\/what-is-the-difference-between-kvm-and-openvz-virtualization\/","title":{"rendered":"What is the difference between KVM and OpenVZ virtualization?"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p><strong><\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"99\" data-permalink=\"https:\/\/www.virtono.com\/community\/knowledgebase\/what-is-the-difference-between-kvm-and-openvz-virtualization\/attachment\/kvm-logo\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2016\/07\/kvm-logo.png?fit=1024%2C324&amp;ssl=1\" data-orig-size=\"1024,324\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"kvm-logo\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2016\/07\/kvm-logo.png?fit=750%2C237&amp;ssl=1\" class=\"aligncenter size-medium wp-image-99\" src=\"https:\/\/i0.wp.com\/community.virtono.com\/wp-content\/uploads\/2016\/07\/kvm-logo-300x95.png?resize=300%2C95\" alt=\"kvm-logo\" width=\"300\" height=\"95\" srcset=\"https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2016\/07\/kvm-logo.png?resize=300%2C95&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2016\/07\/kvm-logo.png?resize=768%2C243&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2016\/07\/kvm-logo.png?w=1024&amp;ssl=1 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/strong><\/p>\n<p style=\"text-align: center;\"><strong>VS<\/strong><\/p>\n<p><strong><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"100\" data-permalink=\"https:\/\/www.virtono.com\/community\/knowledgebase\/what-is-the-difference-between-kvm-and-openvz-virtualization\/attachment\/openvz-logo\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2016\/07\/OpenVZ-logo.png?fit=938%2C238&amp;ssl=1\" data-orig-size=\"938,238\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"OpenVZ-logo\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2016\/07\/OpenVZ-logo.png?fit=750%2C190&amp;ssl=1\" class=\"aligncenter size-medium wp-image-100\" src=\"https:\/\/i0.wp.com\/community.virtono.com\/wp-content\/uploads\/2016\/07\/OpenVZ-logo-300x76.png?resize=300%2C76\" alt=\"OpenVZ-logo\" width=\"300\" height=\"76\" srcset=\"https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2016\/07\/OpenVZ-logo.png?resize=300%2C76&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2016\/07\/OpenVZ-logo.png?resize=768%2C195&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2016\/07\/OpenVZ-logo.png?w=938&amp;ssl=1 938w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/strong><\/p>\n<p><strong>\u00a0What is the difference between KVM and OpenVZ?<\/strong> Usually this question arises when a person is looking for a Virtual Private Server, it\u2019s a dilemma, isn\u2019t it? Weighing the pros and cons but one thing that should be kept in mind is that out of these two, there is no clear winner, unlike a boxing match where the one on the floor has \u201cclearly\u201d lost.<\/p>\n<p>Actually it doesn\u2019t work that way at all, at its core the decision comes down to \u201cWhat is it that you want exactly?\u201d, because both of these are good, it just depends on what your specific needs are. So, lets weigh in our contestants.<\/p>\n<p>Firstly, lets talk in layman\u2019s terms, then we\u2019ll go all technical.<\/p>\n<p><strong>So here we go!<\/strong><\/p>\n<p>Don\u2019t let the word \u201cOpen\u201d in OpenVZ fool you, because normally open means it can work on various systems, but OpenVZ only hosts Linux based operating systems. On the other hand KVM can host Linux, Windows, even custom Operating Systems.<\/p>\n<p>There are two different key points that shines in both of these Virtualizations.<\/p>\n<p><strong>OpenVZ- Allows complete sharing of resources.<\/strong><\/p>\n<p><strong>OpenVZ<\/strong> has a shared kernel, what does that mean?, well it means that you can have multiple VPSes all running on the same kernel without full blown emulation, i.e., without every single one of those VPSes with their own OS kernels, which results in it performing better. Now there are two types of resources \u201cdedicated\u201d and \u201cburst\u201d. Lets understand that with an example, imagine this, you went to a restaurant with a couple of your very good friends, you all ordered your food, and ofcourse there is bread and water already on the table. The food<br \/>\nthat you guys would order is what is classified as dedicated resource, because its yours and no one else would eat it and burst resources are regarded as that bread and water, anyone can use them, they belong to the system. And if don\u2019t eat something and a friend of yours asks for it and you say yes, its called sharing both in real life and in the case of OpenVZ.<\/p>\n<p><strong>KVM- Provides Isolation<\/strong><\/p>\n<p><strong>KVM<\/strong> is hardware virtualization technology, which means you get to decide how much resource is allocated to what and which application\/s. There is no such thing as burst resources only dedicated ones. This means that all of the RAM and disk resources are dedicated to one individual user. KVM provides a more isolated environment and gives users their own kernel. Own kernel means KVM\u2019s potential is pretty much unlimited, with isolated working model it is not limited to just the Linux Kernel, it can run MS Windows and others. Kernel modifications are possible (within limits, ofcourse).<\/p>\n<p><strong>Now for a little technical part.<\/strong><\/p>\n<p><strong>KVM <\/strong><\/p>\n<p>Kernel-based Virtual Machine Structures is a Linux kernel virtualization community. KVM CPC allows running multiple virtual servers using Linux or Windows unchanged.<\/p>\n<p>Choosing virtualization KVM , you can buy a virtual server that acts like a dedicated server, thus making a financial economy but benefit from dedicated resources.<\/p>\n<p>Also, you will have absolute control over the isolated environment and the software. Unlike the OpenVZ however, KVM does not allow temporary loan of resources, it has dedicated resources completely isolated.<\/p>\n<p><strong>As main features, KVM has the following: <\/strong><br \/>\n&#8211; Virtualization allows any operating system (Linux, Windows, etc.)<br \/>\n&#8211; Native support NFS<br \/>\n&#8211; can create swap partitions as dedicated servers<br \/>\n&#8211; Allows running in desktop system<br \/>\n&#8211; Sets the VPN server<br \/>\n&#8211; resources are dedicated<\/p>\n<p><strong>OpenVZ <\/strong><\/p>\n<p>OpenVZ is a container based virtualization Linux. This container Linux virtualization technology creates multiple secure, isolated on a single physical server. These containers allow better utilization of server and also not allowed to create conflicts between the processes. Each container has the behavior of a normal server with root access, IP addresses, files, reset independently, users, applications and processes.<\/p>\n<p><strong>OpenVZ main features: <\/strong><br \/>\n&#8211; Provides the lowest consumption of resources, low costs<br \/>\n&#8211; Resources allocated equally to those who have virtual servers with the same characteristics<br \/>\n&#8211; Migration while the virtual server is running without interruption of services<br \/>\n&#8211; Upgrade the resources without restarting OS<br \/>\n&#8211; Allocation of RAM in case of exceeding allocated resources<br \/>\n&#8211; preinstalled OS&#8217;s<br \/>\n&#8211; online Backup<\/p>\n<p><strong>Summary<\/strong><\/p>\n<p>Both of these are good at what they do, and what we do is we provide both of these, so decide what you want and head on over to buy what you like.<br \/>\n<strong>To get the OpenVZ<\/strong><br \/>\n<a href=\"https:\/\/www.virtono.com\/ssd-openvz-vps\">https:\/\/www.virtono.com\/ssd-openvz-vps<\/a><br \/>\n<strong>Or if you decided to go with KVM<\/strong><br \/>\n<a href=\"https:\/\/www.virtono.com\/ssd-kvm-vps\">https:\/\/www.virtono.com\/ssd-kvm-vps<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; VS \u00a0What is the difference between KVM and OpenVZ? Usually this question arises when a person is looking for a Virtual Private Server, it\u2019s a dilemma, isn\u2019t it? Weighing the pros and cons but one thing that should be kept in mind is that out of these two, there<\/p>\n","protected":false},"author":1,"featured_media":98,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[5],"tags":[],"class_list":["post-97","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledgebase"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2016\/07\/1-2.jpg?fit=1024%2C768&ssl=1","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p7ISfL-1z","jetpack_likes_enabled":true,"jetpack-related-posts":[{"id":1,"url":"https:\/\/www.virtono.com\/community\/news-announcements\/hello-world\/","url_meta":{"origin":97,"position":0},"title":"Be up to date with all Virtono&#8217;s news or announcements.","author":"Virtono","date":"October 7, 2014","format":false,"excerpt":"Hi , We just started a community so you can be up to date with all Virtono's news and announcements. Also here you can read tutorials and learn how to install linux operating systems or to install and configure a server, software or anything you need. Check our services, features\u2026","rel":"","context":"In &quot;Announcements&quot;","block_context":{"text":"Announcements","link":"https:\/\/www.virtono.com\/community\/category\/news-announcements\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2014\/10\/fbcover2.png?fit=851%2C315&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2014\/10\/fbcover2.png?fit=851%2C315&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2014\/10\/fbcover2.png?fit=851%2C315&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2014\/10\/fbcover2.png?fit=851%2C315&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":128,"url":"https:\/\/www.virtono.com\/community\/news-announcements\/new-locations-for-vpsvds-nlukdero\/","url_meta":{"origin":97,"position":1},"title":"New locations for Virtono&#8217;s VPS Hosting services &#8211; Discount coupon inside &#8211; NL\/UK\/DE\/RO","author":"Virtono","date":"July 21, 2016","format":false,"excerpt":"We are proud to let you know that Virtono has\u00a03 new locations for our SSD OVZ VPS and SSD KVM VDS services, and we wanted to share this joy with you: Manchester, UK Amsterdam, NL Frankfurt, DE Bucharest, RO it's still available as our main location. Dusseldorf, DE is no\u2026","rel":"","context":"In &quot;Announcements&quot;","block_context":{"text":"Announcements","link":"https:\/\/www.virtono.com\/community\/category\/news-announcements\/"},"img":{"alt_text":"Virtono Locations Map","src":"https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2016\/07\/shockmap.png?fit=441%2C330&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":1302,"url":"https:\/\/www.virtono.com\/community\/tutorial-how-to\/monitor-virtualized-environments-with-nagios-and-icinga\/","url_meta":{"origin":97,"position":2},"title":"Monitor virtualized environments with Nagios and Icinga","author":"Daniel Draga","date":"January 9, 2018","format":false,"excerpt":"As easy as real servers today can be converted into virtual machines, as fast as the overview is lost.\u00a0With special monitoring adapted for virtual environments, you keep track of things. Virtualization is a technology that has been in the data center for many years and has its origins in host\u2026","rel":"","context":"In &quot;IT News&quot;","block_context":{"text":"IT News","link":"https:\/\/www.virtono.com\/community\/category\/internet-and-technology-news\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2018\/01\/Captura-de-pantalla-2012-11-12-a-las-18.20.51.png?fit=800%2C378&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2018\/01\/Captura-de-pantalla-2012-11-12-a-las-18.20.51.png?fit=800%2C378&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2018\/01\/Captura-de-pantalla-2012-11-12-a-las-18.20.51.png?fit=800%2C378&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2018\/01\/Captura-de-pantalla-2012-11-12-a-las-18.20.51.png?fit=800%2C378&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":415,"url":"https:\/\/www.virtono.com\/community\/tutorial-how-to\/how-to-build-openvpn-server-on-ubuntu\/","url_meta":{"origin":97,"position":3},"title":"HOW TO BUILD OPENVPN SERVER ON UBUNTU","author":"Daniel Draga","date":"August 13, 2016","format":false,"excerpt":"This article will show you how to install and setup OpenVPN server on Ubuntu 14.04, with pictures, just follow along, and if you encounter any trouble, just comment below. 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