In some previous Arduino guide, we used HTTP POST method to upload sensor data. What is HTTP POST? HTTP POST is used to send data to a server to create or update a resource where the URL already existing. In the same way, we used HTTP GET with WordPress, HTTP PUT with OpenStack Swift. First, we need to understand what is HTTP POST, second we need to know basic difference with simillar methods such … [Read more...]
General
Explanation of different terms used for computer hardware, computer software and in the Internet.
What is UART in Plain English?
We often face the phrase universal asynchronous receiver-transmitter in matters like serial communication of Arduino or some shield's of Arduino. What is UART in Plain English? UART is an electronic circuit used to implement digital serial interfaces of computer or peripheral devices. Serial transmission is commonly used for modems, non-networked communication between computers or peripherals. … [Read more...]
What Is a 7Z File? Work With 7Z File on CLI And SSH
Possibly many of the computer user know the process of archiving files is and how to reduce the size of a file. Even if the term 'file archiving' is not be familiar to some, the file types "TAR", “ZIP” and “RAR” are definitely known by every computer user. These formats have become the standard of archiving, providing a good level of compression and user-friendly interface. WinRar archiving … [Read more...]
Solve : Safari Running Slow on MacOS X
Give some time, please. Instead of finding some way faster and try, read this guide. These are normal problems to the high load users. Of course these gives huge pain, but investing an hour in cool head is better than searching the whole earth. If our methods fail, first ask on Apple Community pointing to this guide. Thereafter still you can not solve, it demands checking by an expert. Here is how … [Read more...]
Browser Based User Interface For Git Repositories
We commonly need a light option which opens a basic webpage on localhost. There are actually many browser based user interface for git repositories. Common reasons to avoid these are need of installation of too many packages, consumption of huge RAM etc. However, we are talking about quite basic option which is inbuilt present with git, too basic and another option which is slightly good looking … [Read more...]
How To Install Metasploit on Ubuntu 16.04 LTS To Test Security
White hat or Black hat, hacking demands good grasp of all sysadmin works. The usage style we show on this website are intended for testing security of own servers - that is white hat way. We have a list of essential security tools for GNU/Linux servers. Metasploit framework needs Ruby, Postgre SQL, Java etc. Here is how to install Metasploit on Ubuntu 16.04 LTS to test security of servers. Off … [Read more...]
Amazing Latest Gaming Platforms And New Gaming Technologies
Technology changes and old technology becomes affordable. Currently gaming platforms can be divided in to the platforms they run in client server model like personal computers with mainly three types of operating systems namely Windows, MacOS X and GNU/Linux. In our previously published one article on Computer Gaming, we limited our scope within Gaming Computer, Gaming Laptop and Gaming Rigs. … [Read more...]
eBay India Acquired By Flipkart : Complicated Deal
Flipkart was clean company once, at least when they started business. eBay India acquired by Flipkart shown power of India's skilled brain. But NSA spyware famous Microsoft is investor and worser Amazon is rival. The question arises because Government Of India directly fired Flipkart once. There can not be any confusion that the Governments of whole earth has been converted to spyware companies. … [Read more...]
Fix Write Failed Broken Pipe (packet_write_wait: Connection to port 22: Broken pipe)
There are hundreds of questions and answers on various websites on Broken Pipe issue. The problem is essentially closed connection when a SSH session is not kept active by typing or running command. None of those websites can explain or give a universal easy fix. Readers report us of packet_write_wait: Connection to port 22: Broken pipe. Here is how to fix write failed broken pipe on mac, … [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...]
New Security Header : Expect CT Header Nginx Directive
At least Chrome going to require all certificates issued in October 2017 and onward will have to be logged in Certificate Transparency logs. That Certificate Transparency is via expect CT Header declaration. This guide shows deployment of Expect CT Header as Nginx directive. As we are not machines, we will talk a little bit on Certificate Transparency. Where From This Expect CT … [Read more...]