Learn. Do. Earn.

Category: Hadoop Administration

know the history of Hadoop

In this video blog we will be discussing about the era before Hadoop and the factors which led to the creation of Hadoop Framework. Doug Cutting and Mike Cafarella, the founders of Hadoop, were inspired by Google’s GFS and MapReduce architecture. Google introduced GFS (Google File System) system for...
Read More
Leave a Comment

Horizontal Scaling vs Vertical Scaling in Hadoop

In this video tutorial, We will be discussing  about the need for Hadoop and we also will be discussing how Horizontal Scaling architecture is better compared to Vertical scaling and Traditional distributed architecture to store and process the Big Data . If Big Data is implemented in traditional distributed architecture...
Read More
Leave a Comment

Recover a forgotten root password on Linux

Password-Protect-Folders-in-Linux
Through this Blog, we will discuss on how to change root password in Linux OS. So, if you forget the root password or have lost your root password, here is a step by step instruction to reset the same. This will work on most of the Linux versions like:...
Read More
Leave a Comment

Beginners guide to FTP & SFTP Server Configuration

encrypted_file_transfer-resized-600
Through this blog we will be discussing about FTP & SFTP server configuration on Linux Server. So what is FTP? File Transfer Protocol (FTP) is a standard protocol used to transfer computer files between client and server on a computer network. FTP – File transfer protocol is used to...
Read More
Leave a Comment

WordPress Installation on Linux Server

WordPress Installation Guide
In this blog we will discuss about WordPress installation on Linux (Centos instance). Before that we need to understand what WordPress is ? WordPress is a free and open-source content management system (CMS) which uses PHP and MySQL. WordPress is a freely available web tool that you can use...
Read More
Leave a Comment

Configuring DNS Server on Linux

Set-up-your-DNS-Server-on-Linux
DNS stands for Domain Name System (or Service or Server). It translates domain names into IP addresses. Generally, alphabetic domains are easier to remember, however, the Internet Service is based on IP addresses. So, every time we use domain name it gets translated to IP address. For example, www.acadgild.com might...
Read More
Leave a Comment

Setting up Hadoop Cluster on Cloud

Setting-up-Hadoop-Cluster-on-Cloud
This blog focuses on Setting up a Hadoop Cluster on Cloud. Before we start with the configuration, we need to have a Linux platform in cloud. We will setup our Pseudo mode Hadoop cluster on AWS ec2 Instance. Note: Here we are assuming that you have an active AWS account and your Linux...
Read More
Leave a Comment

Configuring Trash in HDFS

Trash Configuration in Hadoop
Apache Hadoop Provides a trash feature. Trash feature is very helpful for Hadoop Administrators in case of accidental deletion of files and directories. If trash is enabled and a file or directory is deleted, the file is moved to the .Trash directory in the user’s home directory instead of...
Read More
Leave a Comment

Configuring Rack Awareness on Hadoop Using Centos

Rack Awareness in Hadoop
This blog gives you information about Rack Awareness in Apache Hadoop. HDFS block placement uses rack awareness for fault tolerance by placing one block replica on a different rack. This ensures data availability during network switch failure or a partition within the cluster. Rack awareness is very helpful in...
Read More
Leave a Comment
© Copyright 2016.  ACADGILD.