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Archives for July 2017

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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...]

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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...]

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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...]

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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...]

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Install OpenVZ On CentOS To Create Virtual Servers

Previously we talked about OpenVZ and compared with Xen, KVM virtualization. OpenVZ is Free Software intended for production usage. CentOS or Red Hat Enterprise Linux are practical GNU/Linux distro for certain works. Furthermore, CentOS has lot of users who are using OpenVZ. We can use OpenVZ on dedicated server to create multiple virtual servers. Here is how to install OpenVZ on CentOS to create … [Read more...]

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Arduino DC Motor Control With Speed On TM1637 LED Display

This is kind of under development project. It only demonstrates that we can echo the serial input to display device. Here is Arduino DC Motor Control with speed on TM1637 LED display with basic easy circuit. Basically if we run TM1637 LED Display, Arduino and DC Motor simultaneously drawing power from computer's USB, performance becomes unreliable! More funnily, the basic circuit is of our Arduino … [Read more...]

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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...]

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How to Solder Electronic Components : Through-Hole

Ordinary soldering irons are not costly and you can try. Soldering is one of the most needed skill in the world of electronics. Alternative to soldering in part is wire wrapping, but wire wrapping not always easy or perfect solution with currently available tools. Soldering through-hole technology components (through-hole components are commonly used by the makers and differs from SMD components). … [Read more...]

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Install Apache SystemML Machine Learning System on Ubuntu

Apache SystemML provides a system for machine learning using big data on top of Apache Spark. Previously we described how to install Apache Mahout for building machine learning platform. Here is another solution for machine learning - Apache SystemML. In this guide we will show you how to install Apache SystemML machine learning system on Ubuntu 16.04. SystemML needs a minimum guidance to get … [Read more...]

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How To Use Cloud Services For Marketing Goals

Apart from Business Processes as a Service (BPaaS), traditional web tools became cheaper, feature rich with intensive use of cloud computing. This article on how to use cloud services for marketing goals is not a theoretical article with lot of useless usage of phrases rather it is going to focus on the tools anyone can use, sometimes a layer of free of cost - utilising so called cloud computing … [Read more...]

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How To Install Anaconda on Ubuntu 16.04

Conda is a binary package manager used by Anaconda and other systems of Python and R. Anaconda commonly used for data processing, scientific computing, predictive analytics by the data scientists, developers, analysts, and peoples working in DevOps. Anaconda has collection of over 700+ F/OSS packages. Conda is the CLI utility of Anaconda. Here is how to install Anaconda on Ubuntu 16.04. Here is … [Read more...]