Linux Virtualization Comparison

Server virtualization technology should be traced to the IBM mainframe virtualization z / VM. Today's content covers CPU virtualization, memory virtualization, IO virtualization, and GPU virtualization. Technical in-depth popular science articles.

Virtualization has injected unprecedented energy into Hadoop, from the perspective of it production management, as follows: · Deploying shared data centers with Hadoop and other applications that consume different types of resources increases overall resource utilization; • Flexible virtual machine operations enable users to dynamically create, expand their own Hadoop clusters based on datacenter resources, or reduce current clusters and release resources to support other applications if needed; With the HA, FT integration provided with the virtualization architecture, avoid ...

Virtualization has injected unprecedented energy into Hadoop, from the point of view of IT production management as follows: • Hadoop and other applications consuming different types of resources together deploy shared data centers to increase overall resource utilization; • Flexible virtual machines Operations allow users to dynamically create and extend their own Hadoop clusters based on data center resources, as well as shrink the current cluster and free resources to support other applications if needed.

Editor's note: When it comes to the safety of containers, most people say it's not safe enough to give up the high performance and convenience it brings. The author of this article thinks that Docker has already provided a safe mode, and can be used with all Linux security schemes such as SELinux, as, but many people do not use it well. By comparing bare-metal, VMS and container to buildings, apartments and private rooms, the authors illustrate the problem. Of course, from another perspective, the author only considers the problem of single tenant, the situation of the multi-tenant, C ...

Phoronix.com recently made a vertical comparison of the Linux versions over the last two years, mainly examining their performance changes in LINUXKVM virtualization, including 8.04.4LTS, 8.10, 9.04, 9.10, 10.04.1LTS, 　　10.10. Test hardware platform configuration includes: Amdopteron23842.7ghz four http://www.aliyun.com/zixun/aggregation/3513 ....

Cloud computing is the continuous development of user needs of the service model of natural generation, but also the beneficial support of green it. The development of cloud computing and the big explosion of data have the inevitable connection, the arrival of large data age makes the enterprise demand for it facilities increased, at the same time for the enterprise IT facilities procurement costs and ecological environment put forward higher requirements. Cloud computing broadly refers to the delivery and usage patterns of IT infrastructure, where users get the resources they need through the network on an as-needed and scalable basis. This service can be it and software, Internet-related, but also other services. It means computational power ...

September 23, virtualization technology for the Linux kernel Xen was given a hat-trick with 3 security vulnerabilities. Xen vulnerabilities can be jumped out of the virtual host environment (ultra vires), or read other user data, control the hypervisor itself (host). A remote attacker could exploit a vulnerability that could cause the host system to crash and deny service to legitimate users. Xen Vulnerabilities and impact range is not small, such as Amazon AWS Large-scale restart server-the entire repair cycle lasted 5 days (from September 25 7 o'clock in the afternoon to September 30 5 o'clock in the afternoon), impact ...

This article from today's information security industry separatist, with the three features of enclosure and hardware, this paper analyzes the increasingly serious gap between information security and cloud platform with typical cloud platform architecture, and puts forward corresponding solutions, that is, three development trends of information security: the defense of information security itself in depth (Defense in Depth), software defined by the combination of application and information security, defines information security (Software tabbed infomation), combines virtualization technology and information security to drive ...

When more and more companies are moving towards private cloud, the first problem they face, and perhaps the most troubling, is how to "pool" existing resources through virtualization. Recently, IBM launched the IBM Power Cloud box solution, through the power server, POWERVM virtual machine, BAE Director Vmcontrol management platform of the perfect combination of three, you can easily resolve the problem of enterprise user resource pooling. Let enterprises easily take the first ...

We "will help you forget the complex system, get rid of server installation trouble, no longer worry about backup, and no longer because of all kinds of mistakes caused by loss, concentrate on the perfect enterprise core competitiveness." As long as you take the data and credit cards out and pay a small fee for yourself, the rest of the work can be done by the cloud server. This propaganda has become the slogan of cloud computing. More tempting is its convenience (to buy when it is needed, to pay when it is needed), and to be cheap (most services and sweets are about the same price, less than 5 dollars). However, the industry "outside" people may imagine the "cloud computing ...