AWS Regions and Availability Zones

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Creating a Windows EC2 and logging into it

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Creating an alarm in CloudWatch for a Linux EC2 instance

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In the previous blog, we looked on how to start a AWS EMR cluster and run a Hive Script. Once the cluster has been started, it does provide a web console to check the status of the cluster and also to see the progress of the different data processing tasks. By default, the web consoles …

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AWS Athena is a interactive query engine to process the data in S3. Athena is based on Presto which was developed by Facebook and then open sourced. With Athena there is no need to start a cluster, spawn EC2 instances. Simply create a table, point it to the data in S3 and run the queries. …

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To process Big Data huge number of machines are required. Instead of buying them, it’s better to process the data in the Cloud as it provides lower CAPEX and OPEX costs. In this blog we will at processing the airline data set in the AWS EMR (Elastic MapReduce). EMR provides Big Data as a service. …

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As many of you know I had been working with AWS (public Cloud from Amazon) for quite some time and so I thought of getting my feet wet with GCP (public Cloud from Google). I tried to find some free (????) MOOC around GCP and didn't find many. Google partnered with Coursera and started a …

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Google CloudFunction, IBM OpenWhisk, Azure Functions and AWS Lambda allow building applications in a Serverless fashion. Serverless doesn’t mean that there is no server, but the Cloud vendor takes care of the provisioning the servers, scaling them up and down as required. In the Serverless model all we have to do is author a function …

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I have been into training line (along with consulting and projects) for a few years, both online and classroom, using a Wacom Tablet which I bought 5 years back. The Tablet helps me to convey the message better and quick, whether the participant is in some other part of world or in front of me. …

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In the previous blog, we looked the sequence of steps to create a Linux instance and log into it. In this blog, we will create a new hard disk (actually an EBS) and attach it to the Linux instance. I am going with the assumption that the EC2 instance has already been created. 1. Goto …

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AWS CloudWatch does a couple of things as mentioned in the AWS documentation here. But, one of the interesting thing is that it can gather the metrics (CPU, Network, Disk etc) for the different Amazon resources. In this blog, we will look how to look at the CPU metrics on a Linux EC2 instance and …

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In one of the earlier blog, we created a Linux EC2 instance with a static page. We installed and started the httpd server, created a simple index.html in the /var/www/html folder. The application in the EC2 is too basic, but definitely we can build complex applications. Lets say, we need 10 such instances. Then it’s …

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It’s summer holidays and I had been helping my kid (8 years) get started with programming. So I bought the Computer Coding for Kids book by Carol Vorderman. The books covers initially Scratch (from MIT) and then Python from the basics. Scratch is a visual programming language which is easy for those who are just …

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