Ruby Controller

From the Eucalyptus system website to see a news, learned that eucalyptus and rpath cooperation. And Rpath is a company that provides system software package installation. The author contacted a lot of software systems are through the rpath way of packaging. Rpath can make the Linux operating system and related software together into one installation package. Installation packages can be based on a virtual machine (such as vmware/esx) or a bare-metal installation package. Basically the user simply needs to confirm, can ...

VMware suddenly released its first open source Paas--cloudfoundry this April. In the months since its release, the author has been concerned about its evolution and benefited from its architectural design, and felt the need to write to share it with you. This article will be divided into two parts: the first part mainly introduces the architecture design of Cloudfoundry, from the module that it contains, to the information flow of each part, how the modules coordinate and cooperate; The second part will be based on the first part, how to use Clou in your data center ...

1. Appium Official website: Http://appium.io/Appium is an open source automation testing framework, which is mainly used for native mobile applications or hybrid mobile applications. 　　Appium uses Webdriver:json wire Kyoto to drive iOS apps and Android apps. Note: Webdriver is a selenium based automated test class library that is not running in the browser Javas ...

"Editor's note" If you think the advantage of open source software is free and doctrine, then you are wrong, in today's software market, open source projects more and more dazzling, the choice of open source software is the biggest advantage is low risk, product transparency, industry adaptability and so on, but in the open source project area really influential enterprises, It is absolutely the enterprise that contributes the most code to this project. Network name for the architect of the blogger Li Qiang summed up the worthy attention of the 10 open source projects, are very valuable, the following is the original: 1. Appium official website: http://appiu ...

In Serengeti, there are two most important and most critical functions: one is virtual machine management and the other is cluster software installation and configuration management. The virtual machine management is to create and manage the required virtual machines for a Hadoop cluster in vCenter. Cluster software installation and configuration management is to install Hadoop related components (including Zookeeper, Hadoop, Hive, Pig, etc.) on the installed virtual machine of the operating system, and update the configuration files like Namenode / Jobtracker / Zookeeper node ...

As an important form of cloud computing, IaaS services have a wide range of open source and commercial cloud platform scenarios. This article is based on the use of open source IaaS cloud platform to develop public and private cloud management platform perspective, introduced and compared eucalyptus, Opennebula, Cloudstack and OpenStack, such as open source IaaS cloud platform. The characteristics of the successful cloud platform from AWS AWS is the most successful cloud computing platform, the most important feature of the system architecture is to open the data and function through the Web service interface.

Cloud Management is a hot topic, and it is popular that every start-up and established vendors provide some tools to manage the cloud environment. There are monitoring tools, configuration tools, and tools in between. There are naturally foggy pieces on the market (vaporware), and it is not easy to get a clear idea. If you deploy a cloud that is fairly static or not a mission-critical environment, you may not need to configure the system dynamically. In this case, the product's built-in standard tools for adding/changing/removing resources may be more than sufficient. Several vendors have products designed specifically for cloud computing management (...).

Cloud management is increasingly well known and is becoming a hot topic for now, with every emerging company and established vendors providing some tools to manage the cloud environment. There are a wide variety of tasks, such as monitoring tools, configuration tools, and tools in between. On the market there are natural fog (vaporware), this kind of tools to dazzle people, want to quickly have a certain understanding and clear, it is not easy. If you deploy a cloud that is not a mission-critical environment, but rather a fairly static environment, you may not need to configure the system dynamically. In the ...

The rails framework was first proposed in July 2004, and its developers were 26-year-old Danish http://www.aliyun.com/zixun/aggregation/16482.html ">david Heinemeier Hansson. Unlike existing complex web development frameworks, rails is a more realistic and efficient web development framework. Rails combines the benefits of the PHP system (rapid development) with the benefits of the Java system ...

Sweep 18 Major databases: 12 species of sql+6 nosql remember that two or three years ago there were only a few cloud platform vendors to choose from, it seems that there is not much cloud database in the market. But after the cloud boomed, the cloud database also appeared to be springing up. And what is really reliable and easy to use, for users, and bad analysis. So, this paper analyzes the usability and application direction of 18 kinds of databases (note that the Management database service is not the database instance that still requires user management and implementation). There are still deficiencies, I hope to hear more ...