We have noticed that there are some growing number of websites which write about Big Data, cloud computing and spread wrong information to sell some others paid things. They can not write guides like how to install Spark, Elastic Search, Kibana. Here is list of open source big data visualization tools which will convert data in to graphs, charts usable with tools like Spark, Hadoop. Do not use … [Read more...]
China Bicycle Speedometer Review
Possibly most families except the misfortunate have a bicycle. The "premium" China bicycle speedometers sells at $5 to $7 on Ebay, Amazon. Initial plan to develop a DIY speedometer with Arduino and TM1637 LED display dismissed as the unit costs lesser than half than DIY. Here is China bicycle speedometer review with infographics explaining functioning parts, pdf manual and how it really performs … [Read more...]
Bitcoin Mining Guide For Beginners
We talked about cryptocurrency virtual currency. Bitcoin is designed to be generated by hardware & software. Free money is not so easy. Here is Bitcoin Mining Guide For Beginners. Normally we "buy" Bitcoin but Bitcoin is highly secure for the transaction as Governmental spyware fails to track. The basic reason to generate, use Bitcoin sarcastically is not for making free money but for higher … [Read more...]
sqlmap Tutorial : WordPress SQL Injection Testing (White Hat)
We talked about SQL injection in older article. Here is a sqlmap tutorial for WordPress SQL injection testing for the beginners to test own website for potential vulnerabilities & fix them. This website and tutorial is intended for White Hat purposes only. Of course trying them upon others vulnerable WordPress installation will find the points and at the end it is possible to hack it. That is … [Read more...]
How To Install Apache Mesos With Marathon On Ubuntu 16.04 LTS
In a previously published article we introduced to multi cloud. In that article we gave example of managing SendGrid from WordPress dashboard using SendGrid WordPress plugin. Mesosphere is a software that expands the cluster management capabilities of Apache Mesos with additional components to manage server infrastructures. By combining several components with Mesos such as Marathon and Chronos, … [Read more...]
Convert Computer Power Supply To Breadboard Power Supply
All of us have, had died desktops with quite costly ATX, SFX power supply units. Those units are really great for powering DIY electronics compared to the cheap made in China circuits with AC mains to DC converter. The supplied power by a computer power supply would be stable. Here is how to convert computer power supply to breadboard power supply. How To Convert Computer Power Supply … [Read more...]
Breadboard Wiring Rules & Useful Hacks
It is not another article on breadboard wiring rules. Human who can read this webpage knows what is breadboard, breadboard power supply etc. Here are some extreme breadboard wiring rules & useful hacks to make the things easy for complicated circuits. Actually we are working with through hole technology components not SMD components, so 1960-70's various things work better. I will use least … [Read more...]
What Is Multi Cloud? What Are The Benefits of Multi Cloud?
Multi Cloud also denoted as Multi-Cloud and Multicloud. Back in April 2015 we discussed the topic Multi Cloud in different aspect without going in to much details. In the year 2016, we saw cloud strategies truly begin to evolve. In the early days of cloud computing, most of the enterprises were simply migrating their applications to the cloud environment in order to lighten their on-premise IT … [Read more...]
Mainframe Server Virtualization : Basics
Mainframe, UNIX and real physical terminal mean real powerful computing. Mainframe server virtualization avoids maintaining many racks of servers with cables adds scalability, savings in long term in green way. The reason mainstream server businesses can not run mainframe as servers is partially initial higher cost of purchase and partially due to lack of knowledge. 5-6 years ago from today we … [Read more...]
MacOS X Command Line Software Update & Disk Utility
Commonly we configure Mac with HomeBrew, iTerm2 and Oh My ZSH for installation of command line and other packages. There are existing commands for MacOS X for the works we perform via GUI. Utilizing MacOS X command line software update & disk utility makes performing day to day computer management works easy, fast, informative. We have collected the commands all over the web, of course … [Read more...]
Inline Nested Highlighting In WordPress With CSS & HTML5 samp
There are some situations where to write a technical article, we need to draw attention of the reader of the reader. HTML code element, pre are designed to serve specific purposes. Sometime we need to highlight code with more colours than code than our good syntax highlighter plugin like Crayon Syntax Highlighter for WordPress can do. Here is a guide on nested highlighting in WordPress post with … [Read more...]