Category Archives: Cloud Computing

All posts and other data related to cloud computing, especially Amazon AWS service, Google App Engine etc..

Amazon Machine Learning Service initial tests

Today I have executed some simple test against Amazon AWS Machine Learning service. The idea was simple: take the MNIST dataset available on Kaggle.com divided into train and tests datasets, push it to Amazon S3 and run it through Amazon Machine Learning service to see what happens. I have intentionally left all the defaults (although […]

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Easy ‘curling’ with Httpie

Sometimes there is a need to quickly test some web service if its responding correctly to the given data, that is especially true when using a new REST service you haven’t worked with before and just want to try it out. Using curl is not always as fun as it could be because of multiple […]

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Machine Learning and Kaggle Digit Recognizer Competition

This is a rather introductory article to Machine Learning and using one of the freely available libraries to predict a value of some entity using classification mechanism. For those interested in Machine Learning and just starting their endeavours into that field I would like to mention a great place to start using your acquired theory […]

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Big Data analysis with Hadoop, Pig and Stack Exchange data dump

Finally I have finished my latest pet project. I was learning Pig and Hadoop but most importantly I was trying to learn how to finish things. As with most of my pet projects, I start small hoping I will finish that, get smth useful and have something to write about, but usually I never stop […]

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Google App Engine – Searching with JDO

How to perform a search in the Data Strore when there is nothing like ‘LIKE’ keyword available? This is a short code snipped allowing you to search the data in your Google App Engine data store. List<User> locs = new ArrayList<User>();         Query query = pm.newQuery(User.class);         query.setFilter("name >= […]

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Apache Click on Google App Engine – Hello World Example

Hello World! If this blog would run on App Engine and was build with Apache Click I could finish this tutorial right here :). But more seriously, I will describe short step by step tutorial on how to get started with Apache Click on Google App Engine. I’m assuming that you have GAE plugin for […]

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Top 10 Things to Know About Amazon RDS

jqueryTop 10 Things to Know About Amazon RDS

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Launching your EC2 instances with AWS Management Console

How easy this can get, when I was starting with Amazon Web Services the things were looking kind of scary but right now we have bunch of tools to help us using the amazon EC2 instances so easy that I just cannot belive that. I knew that AWS Management console existed for quite a bit […]

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How to backup your entire server from EC2 to S3

Today I will describe in short how to create an AMI instance of EC2 and than upload it to S3 server. All you need to have is running instance of EC2 server (I’m using Debian) with EC2 tools preinstalled. First of all, make sure that you don’t have any unnecessary files on your server filesystem […]

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Affirma S3 library for C#

Finally I have found S3 library that works in C#. The library was written by Joel Wetzel from Affirma Consulting and I just wanted to spread the word about it. Once downloaded you are presented with the whole C# Visual Studio solution which contains the library project as well as some example on how to […]

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