Once again we should give thanks to Edward Snowden. WannaCry ransomware is a global attack. Wannacrypt encrypts whatever files it can find. After infecting, Wannacry ransomware possibly will display a screen on the infected system asking for $300 to $600 worth of Bitcoins to decrypt. Wannacrypt ransomware originated from NSA and now waiving the flag of Governmental democratic nuisance. It is not … [Read more...]
Computer and Internet
Computer and Internet is catchall section of core computing categories including Cloud Computing, Digital Photography, Virtualization, Networking, Protocols and Others' which are not otherwise more subcategorized. Here also you will get unique articles and news on computer hardware, Software, Networking and Protocols.
Full Frame vs Crop (APS-C) : Image Quality Difference For Sensor Size
Previously we talked about related useful topics like image sensor format, crop factor, four thirds standard etc. In this article, straightforwardly we will discuss a much debated topic full frame vs crop (APS-C) image quality difference for sensor size from technical & result perspective. Nowadays there are different types of professional to high end cameras with interchangeable lenses like … [Read more...]
DIY Solar Panel Power Bank : Trial For Home Solar Power
This guide is good before think about setting up home solar power system. Whole earth is quite serious about solar power. Here is DIY Solar Panel Power Bank building instruction & precautions. Most websites on this kind of DIY projects will not say that you can use this for powering DIY projects but not costly cell phone. Commercial good solar panel power bank costs very high, has passed … [Read more...]
What Is Function-as-a-Service (FaaS)?
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...]