Apache Drill is SQL Query Engine for Hadoop, NoSQL, Cloud Storage and file systems including HBase, MongoDB, MapR-DB, HDFS, MapR-FS, Amazon S3, Azure Blob Storage, Google Cloud Storage, Swift, NAS and local files. As example, we can join a collection in MongoDB with a directory of event logs in Hadoop. Apache Drill features JSON data model which enables queries on complex and nested data. Drill … [Read more...]
Cloud Computing
Cloud computing is becoming more and more important. Here are articles on Cloud Computing,Cloud Server,SaaS,PaaS,IaaS and Cloud related technology.
Cloud Hosting Providers : Best & Cheap of 2017
Previously we published another 2017 year based list of providers related to cloud computing - forever free cloud storage providers. Cloud hosting providers means the companies selling cloud server. All look for practical matters like uptime, cost, support, other freebies. The reason of publication of year-wise names of providers is frankly for adjusting cost, general opinion of the real users in … [Read more...]
What is Virtual Private Cloud (VPC)?
Virtual Private Cloud is virtual as it is built on the top of public cloud. It is private as there is limited number of users access to the actual physical hardware behind. It is a cost saving option than private cloud. We are trying to explain what is virtual private cloud (VPC) in simple terms. Those who are not technical persons, they can read what is cloud computing in simple terms if concept … [Read more...]
Installing Apache Airflow On Ubuntu, CentOS Cloud Server
Apache Airflow possibly needs a small introduction. It is basically a usable part for managing servers running Big Data tools. Airflow scheduler executes tasks on an array of workers while following the specified dependencies. There is command line utilities. Similar technology is behind Luigi, Azkaban, Oozie etc. Luigi is simpler in scope than Apache Airflow. Here are the steps for installing … [Read more...]
Real-time Big Data Analytics in Health Care Using Tools From IBM
The goal of this article is to provide the readers a basic technical understanding for big data applications in the health care system as well as provide information to develop or integrate various technologies with definite possible positive effects as return. This article, Real-time Big Data Analytics in Health Care Using Tools From IBM, does not cover the other areas of application of Big … [Read more...]
How To Create WordPress Blog At Low Budget Using Cloud Services
You will find hundreds of dishonest blogs who are affiliates of Bluehost, Hostgator, Namecheap (to name a few) who has guides with titles like How To Create Your WordPress Blog with ABC Hosting. They are selling you overpriced shared server with less control. With time, using cloud server, virtual server has been just easy and cheap. Here is how to create WordPress blog at low budget using cloud … [Read more...]
Mistakes To Avoid While Migrating Applications To The Cloud
I noticed that one cunning website made our 4 years old Migrating Applications to the Cloud a new article in new form with fragments of sentences as sub headers! It feels beautifully odd to read such article. As in this 4 years I learned, experienced more, my idea, opinions, depth has changed. As such, number of mushrooming startup companies all over the earth is huge with over 90% failure rate. … [Read more...]
Apache Solr vs. Elasticsearch For WordPress Search
We have shown as guide how to install Apache Solr, you will likely to on some cloud server instance for testing/dev purpose. Elasticsearch as such we shown to install with Hadoop. Apache Solr vs. Elasticsearch for WordPress search is a complicated topic as the number of plugin is a matter which we need to consider. Elasticsearch basically packaged by Elastic company. Apache Solr is a direct … [Read more...]
What is Cloud Computing in Simple Terms?
Cloud Computing is not a technology but cost saving server configuration & way of payment. You read the correct. Whoever is used with managing dedicated servers, networks for many years will agree our easy description. Commonly many peoples write superfluous words to start explaining what is Cloud Computing in simple terms. The technology behind cloud computing is virtualization. That … [Read more...]
Configure Fail2Ban With Mod Security And Other Filters
This guide better to said to be continuation of IPtables Basic 3 and installing Mod Security. In this guide we will discuss around how to configure Fail2Ban with Mod Security & some other filters on Apache server to protect from PHP and other exploits. We are taking it granted that, from new user you are now somewhat used with Fail2Ban. Configure Fail2Ban With Mod Security … [Read more...]
How To Find File On SSH : Examples With Log Files With Conditions
Basically this guide is intended to be a quick reference to the relatively new users who are not easy with using find, locate, du combined with sed, awk, head, tail, unix pipes to find and locate files with some conditions. We can use other GNU tools. We can really extract huge information from log files like we have shown on our guides to check Fail2Ban log (we have a bash script for Fail2Ban log … [Read more...]