DevOps

Running a Cassandra cluster in a single server

This blog post is about the configuration of Apache Cassandra for running a cluster of 3 instances on a single host. Basically C* is not really build to run in a multi instances environment, but for many cases and reasons(…)

Apache Cassandra overview

Apache Cassandra is one of the most popular NoSQL databases http://db-engines.com/en/ranking. It is used by many big companies as Facebook, Netflix and many others. Initially the project was initiated by Facebook. In combination with Google BigTable and Amazon DynamoDB,(…)

VM Linux – Device not found : Network unreachable

Recently I exported an Oracle Virtual Box VM as an “.ova” file. When the file was imported again I faced issues with the network devices inside the VM. This post is about what I experienced and how I resolved it.

LVM : How to extend a Volume Group

In this article we’ll going to explore on how to extend a partition which resides in a Logical Volume. LVM (Logical Volume Manager) is a great tool for managing your storage devices on a Linux host. Lets(…)

MongoDB Installation

In this blog posting we will see how to install MongoDB on a Linux distribution. MongoDB is supported for Linux, Mac, Windows and Solaris. Linux distribution First, determine your Linux distribution in order to download the appropriate MongoDB binaries. cat(…)

Introduction to MongoDB

MongoDB is an open source NoSQL database management system document-oriented. MongoDB allows the manipulation of structured and unstructured data. It is schema-less and can be used to store a large data volume. This blog is explaining the main principle of(…)

MongoDB Days Paris

Tuesday, October 6th 2015, I attended to MongoDB Days France in Paris. The presentation was directly organized by MongoDB (10gen). Several presentations have be done to show how to use and deploy MongoDB in real cases. MongoDB is a(…)