Checking Server Uptime

Last April, Satoshi Nakajima, founder of Big Canvas Inc. in Washington, ardently invited new users to use the company's flagship PhotoShare, which allows users to swap iPhone photos for free. However, just three months later, Nakajima expressed its sincere apologies to users. He apologized not because of product problems, nor because of the poor quality of customer service or other problems frequently encountered by start-ups, but because PhotoShare and its 50,000 users are becoming cloud computing service providers.

When an enterprise migrates its core IT systems to a private cloud or public cloud network, the work is not over. 　　Now there is a different set of technical issues that need to be addressed: how to manage the cloud to ensure that the enterprise's investment returns, providing the desired efficiency and return on investment. Cloud management and cloud monitoring have become more important as the Amazon EC2 (Flex Computing Cloud) Service outage occurred this April. In that incident, the IT field saw what would happen when the cloud environment encountered a failure ...

How to install Nutch and Hadoop to search for Web pages and mailing lists, there seem to be few articles on how to install Nutch using Hadoop (formerly DNFs) Distributed File Systems (HDFS) and MapReduce. The purpose of this tutorial is to explain how to run Nutch on a multi-node Hadoop file system, including the ability to index (crawl) and search for multiple machines, step-by-step. This document does not involve Nutch or Hadoop architecture. It just tells how to get the system ...

Recently, Clay.io's Zoli Kahan began writing "10X" series of posts. Through this series of posts, Zoli will share how to use only a small team to support Clay.io's large-scale applications. The first share is an inventory of the technology used by Clay.io. CloudFlare CloudFlare is primarily responsible for supporting DNS and as a buffer proxy for DDoS attacks while cloud ...

Cloud services are a common service today, and many entrepreneurs are using it. However, when an enterprise migrates a core IT system to a private cloud or a public cloud network, it does not mean that it ends. Today, there is a different set of technical issues to deal with, that is, how to manage the cloud to ensure that the investment of the enterprise is rewarded with the expected efficiency and return on investment. Cloud management and cloud monitoring have been the focus of many businesses since this April, when Amazon EC2 (the flexible Computing cloud) had a service outage. This accident, let it field see when cloud environment meets ...

With the advent of new technologies such as cloud computing and virtualization, the evolution of data centers may turn itself into a very different environment. However, any data center that operates smoothly and successfully always requires some basic elements. 　　Whether the scale of the data center is like a vertical wardrobe or a plane, or even rumors that Google is building a yacht-type data center, these elements are critical. 1, environmental control standardization, predictable environment is the cornerstone of any High-quality data center. It's not just about getting the equipment to cool down and maintaining the right humidity (according to Wikipedia, recommend ...)

As the cloud concept heats up, someone will tell you wherever you go, or sell you something that contains cloud computing. And if you want to know about cloud computing and whether it's going to help your business, there's only one layer to peel off the lie and find out what it is. The following 9 points are the lies we collected today about cloud computing. Lie 1: "Cloud" is only one. There are at least three forms of "cloud", each containing different benefits and risks. They are: 1 "infrastructure as a Service" (IaaS), this kind of cloud services to provide on-demand virtual server ...

Power efficiency will be a necessary part of future data centers. 　　As many companies look for innovative ways to squeeze the last value out of existing resources, sensible dealers will be prepared to do so. With a little bit of common sense and a few simple skills, dealers can not only http://www.aliyun.com/zixun/aggregation/17183.html "> Help customers reduce their monthly electricity bills, but they can also generate extra revenue for themselves in the process." Here is a simple gauge ...