This post is part of our ReadWriteCloud channel, which is dedicated to covering virtualization and cloud computing. The channel is sponsored by Intel and VMware. Read the case study about how Intel Xeon processors and VMware deliver unprecedented reliability in the face of RAM errors.For years, everyone was talking about the convergence of interfaces. The Web, and as a result, the browser, were "clearly" about to take over as the major platforms and cloud computing emerged. Then, in March 2008, Steve Jobs unleashed the iOS followed by the mobile apps revolution. What seems to have happened nex...

When installing Postgres on Windows, there is some default account created for user to login. One of them is postgres, but we often don;t know what's the password for this account when we first login using this account. We need to change the password for this account. How to change it?Step 1. Modify the pg_hba.conffileGo to the /data/ and open the pg_hba.conf.# TYPE  DATABASE        USER            ADDRESS                ...

Nimbula – the build-your-own-cloud outfit founded by Amazon's former vice president of engineering – has announced a new release of its Director platform, saying it will allow businesses to run a unified "infrastructure cloud" across geographically separate data centers.In short, this means that those using such a cloud can log into a single console to tap computing resources served up from disparate physical locations. Nimbula says that Director is the first "cloud OS" to span geographies in this way.Reza Malekzadeh, Nimbula vice president of marketing, tells The Register that D...

Since months Pentaho ETL developers have been juggling with three distinct tools- Pentaho DI, SSIS, and PowerShell. Their experience has provided them new perspective on the cons and pros of every tool. In this post, they are sharing their experience with these tools and explain their significance. Before getting started, they first would like to explain ETL in brief and how the tools suits ETL landscape.ETL is Extract Transform Load. Informatica was the initial ETL tool introduced in the mid nineties and continues to be one of the best tools in the market. Why these tools were intended?ETL to...

The field of data science is often confused with that of big data. Data science is an aid to decision makers in a company with a logical approach. Who is a Data Scientist? A Data Scientist reviews a huge collection of data(that may extend to a couple of terabytes of disk space or thousands of excel sheets). This humongous chunk of data is not feasible for being handled, sorted and analyzed by a single person.Here we require the help of data science, and most recently, the field of Artificial Intelligence has gained considerate limelight. With the use of efficient algorithms we can so...

Computerworld - At a cloud computing conference in New York in June, a number of speakers pointed out that the cloud is moving past the hype stage and is beginning to deliver tangible benefits to organizations. These improvements include increased flexibility and agility.But moving to the cloud can also mean added costs, some of which might be unexpected, according to IT executives whose organizations have implemented cloud services or are considering them.While these types of costs don't necessarily prevent companies from getting real business value out of cloud computing initiatives, they wi...

Whamcloud, the startup created in July 2010 to continue development of the open source Lustre supercomputer file system, has secured a $2.1m contract from OpenSFS to spruce it up with new features and functions.Lustre – used on about 60 per cent of the largest supercomputers in the world – is a parallel clustered file system designed for both supporting petabytes of files and giving high-speed access to the data stored on the file system. Lustre was created by Peter Braam when he was a researcher at Carnegie Mellon University, and was commercialized when he created Clus...

The world of information is getting bigger and bigger and so does the need for cloud computing is felt broadly across various industries and platforms. The ever growing popularity and adoption are due to the fact that cloud computing is efficient, reliable and secure than any other business model. However, the way cloud computing is adopted across different enterprises may vary.How cloud computing has been adopted worldwide by companies- let us have a look at few statistics that would blow your mind.·         The cloud market valued $148 billion i...