In a previously published article, we delivered a primer on Serverless Computing. Peoples often ask what Is Function-as-a-Service (FaaS) and we think that this topic needs some detailed discussion. This article discusses what FaaS is; it's principles, types, benefits and of course the limitations. For a complete newbie to the world of cloud computing and cloud computing service models, theat … [Read more...]
Microturbine & Micro Hydro Turbine : Buying & Usage Guide
Possibly you noted that nowadays on Ebay, Amazon Made in China Microturbine and Micro Hydro Turbines are selling as DIY things. As they lack guide, here is a Microturbine Micro Hydro Turbines buying & using guide. The working principle is closer to our bigger DIY project real electricity generating with washing machine motor from flowing water. That project peoples seriously using, … [Read more...]
Nginx WordPress : Remove ?utm_source Like Query Strings From URL
Definitely you have noticed that various external, internal referral URLs appends ?utm_source like to track track visitors and conversion rates. It is very common in Google Analytics with WordPress. URLs with these query strings like ?utm_source=mailchimp bypass caching system. Google actually perceives the webpage being slower compared to cached version. In this guide, we will show basic example … [Read more...]
WordPress Security Test with Nmap NSE Scripts
Periodic security checking, particularly on cloud server is important. Here is how to perform WordPress security test with Nmap NSE scripts. Previously we have some important guides like for brute force vulnerability checking(it is important to read before this guide in case you are completely new). In this guide we are showing quite basic things including installation, reading help of the … [Read more...]
Fix : PHP bcmath Extension Missing Ubuntu 16.04
Previously we talked about one indispensable plugin WP Statistics. WordPress WP statistics like plugins use the module with GEO IP and infamously through errors rendering plugin's many functions limited. Here is how to fix PHP bcmath extension missing on Ubuntu 16.04, Nginx running PHP 7.0 or PHP 7.1. Ofcouse one can follow this guide to fix PHP bcmath extension missing Ubuntu 16.04 for any type … [Read more...]
Ways To Backup MySQL Database And Save To Cloud Storage
Running improper script on a running database can be proved to be a foolish work. We have own developed simple free tools for uploading backup to OpenStack Swift, WordPress Plugin to take whole FTP backup and methods to upload the whole FTP to Dropbox from SSH. Here are the ways to backup MySQL database and save to cloud storage including OpenStack Swift from SSH side. This guide essentially a … [Read more...]
Apache Spark Alternatives To Overcome Integrity Issues
Previously we were shown steps for installing Apache Spark, now suddenly why this article is sounding like anti-Spark? Apache Spark has problems including need of dependencies & integrity. That is why here is a list of Apache Spark alternatives to overcome integrity issues. At this moment Apache Spark is one step ahead of its competitors, due to some characteristics like implementation and … [Read more...]
Soap Bubble Bokeh And Swirly Bokeh
We have discussed what is bokeh, how to create gradient bokeh effect, custom bokeh shapes and so on. Bokeh is the visual rendering of circles of confusion. In this article, we are talking about soap bubble bokeh and swirly bokeh, they are legendary bokeh effects to add extra value in art photography. Without any doubt, these bokeh effects are specific to some known lenses. For the entry grade … [Read more...]
Integration of Apache Hadoop With OpenStack Swift
Commonly either peoples are versed with Apache Hadoop or Openstack Swift. The topic integration of Apache Hadoop with Openstack Swift is not exactly new. Good experience with both together may be rare. You can follow our this guide specially for handling OpenStack part without searching here and there. Further you can use this website's search function to find our old guides apart from the linked … [Read more...]
How To Create DIY Leather Camera Case
This cave age like guide is practical as most forgotten to use the oldest material - leather. It is very easy, tricky thing. You may ask why one need to create own camera case when there are such readily available. Reason is cost. You can easily create 10 camera cases at the price same quality leather camera case are sold. Most importantly, you can emboss your name, custom design. It is not … [Read more...]
List of SMD Basic Electronic Components
In our previous article, we talked about the necessary basic electronic components. If you are a new user, you should buy and use them for using on breadboard or prototyping board. Normally We Use Those Through-Hole Components For DIY Electronics. We explained in other article around how to design one layer PCB at home and also listed the PCB designing softwares. In case you order to get … [Read more...]