‘Twas my very first IT job, a software developer summer internship at a manufacturer of very serious medical equipment, primarily anesthesia delivery systems and hospital patient monitors. The latter are the boxes you see bleeping next to bed-ridden patients, drawing graphs of pulse, blood pressure, respiration etc and summoning nurses when they flatline. The office was full of 2-meter cylinders of laughing gas, luxuriously bearded gurus expert in embedded systems, and entire rooms devoted to the documentation needed for the FDA certification of various devices. Hushed voices still spoke of a bug that had slipped through testing ten years ago in one piece of anesthesia kit and caused the machine to reset in the middle of surgery, and needless to say a teenage greenhorn like myself was kept well clear of all…
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1 – Download and Install Spring-XD
Spring-XD can be found at http://spring.io. This tutorial uses the 1.0.0.M3 version, so conventions may change in next release. Follow the install instructions and kick up Spring-XD with a test stream to make sure it’s looking good.
create stream --name ticktock --definition "Time | Log"
That simple instruction should begin showing output in the server terminal window similar to:
2013-10-12 17:18:09 2013-10-12 17:18:10 2013-10-12 17:18:11 2013-10-12 17:18:12 2013-10-12 17:18:13 2013-10-12 17:18:14
Congrats, Spring-XD is running.
2 – Download and Install Hadoop
The hadoop can be installed on the singlenode by using the steps mentioned in my previous blog at https://amankumarlabra.wordpress.com/2014/08/09/installing-single-node-hadoop-2-4-1-on-ubuntu/
Configuring Spring-XD to use Hadoop :
Step 1 – Edit the Hadoop.properties file Edit the file at
XD_HOMExdconfighadoop.properties to enter the namenode config:
Step 2 – Spin up the Spring-XD Service with Hadoop
In a terminal window get the server running from…
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Automation is really important in penetration testing engagements because it can help the penetration tester to save time and to give more attention to other activities.For that reason many pen testers are putting effort to build tools to assist them with a variety of tasks.Such a tool is the recon-ng which can perform web-based reconnaissance and it can be used in social engineering engagements or for extracting information that exists on the web.In this article we will examine how we can use the Recon-Ng framework to discover different type of information.
We can type help in the framework in order to see a list with all the available commands.
We can see that there is a command named modules.We will type that command to check the existing modules that we can use.In the next image you can see a sample of the available modules.
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This article tries to provide one possible approach to building microservices. We’ll use Scala as programming language. API will be RESTful JSON provided by Spray and Akka. MongoDB will be used as database. Once everything is done we’ll pack it all into a Docker container. Vagrant with Ansible will take care of our environment and configuration management needs.
We’ll do the books service. It should be able to do following:
- List all books
- Retrieve all the information related to a book
- Update an existing book
- Delete an existing book
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