How Hadoop

How To Install CouchDB and Futon on Ubuntu 14.04    Introduction Apache CouchDB , like Redis, Cassandra, and MongoDB, is a NoSQL database . CouchDB stores data as JSON documents which are non-relational in nature. This allows users of CouchDB to store data in ways that look very similar to their real world counterparts. You can manage CouchDB from the command line or from a web interface called Futon. Futon can be used to perform administrative tasks like creating and manipulating databases, documents, and users for CouchDB. Goals By the end of this article, you will: Have CouchDB installed on a Droplet running Ubuntu 14.04 Have Futon installed on the same server Have secured the CouchDB installation Access CouchDB using Futon from your local machine, using a secure tunnel Know how to add an admin user to CouchDB Perform CRUD operations with CouchDB using Futon Perform CRUD operations with CouchDB from the command line Prerequisites Please compl

Apache Flume Installation In this post, we briefly discuss about Apache  Flume Installation and Configuration on Ubuntu  machine. The current version of Apache Flume is called as  Flume NG  (Next Generation) and it’s old version is renamed as  Flume OG  (Old Generation). In this post, we will discuss about Flume NG only. JDK 1.6 or later versions of Java  installed on our Ubuntu machine. Memory  – Sufficient memory for configurations used by sources, channels or sinks. Disk Space  – Sufficient disk space for configurations used by channels or sinks. Directory Permissions  – Read/Write permissions for directories used by agent Apache Flume Installation On Ubuntu: Download  latest stable release of apache flume binary distribution from apache download mirrors at  http://flume.apache.org/download.html   .  At the time of writing this post, apache-flume-1.5.0 is the latest version and the same ( apache-flume-1.5.0.1-bin.tar.gz ) is used for installation in this pos