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...]
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.
Arduino 8 Digit 7 Segment LED Display Buying Guide
Unlike TM1637 4 digit 7 Segment LED Display, buying 8 digit 7 segment LED display is not so easy to take decision. These Are Driven By MAX7219/MAX7221 driver which supports LED dot matrix too. 8 digit is maximum number the driver supports. It is towards pure electronics, you can separately buy the basic electronic components and build on breadboard. Arduino has direct official support of the … [Read more...]
Multi Cloud Management System In Brief
In previously published article we explained what is multi cloud and long back paradox of choice with multi cloud. Using several cloud providers helps to get perfect solution with increased management burden. Here is multi cloud management system in brief. After Snowden reveals, possibly private cloud versus public cloud becoming a point where even the SMEs are seriously thinking around adopting a … [Read more...]
How To Change Shutter Speed And Aperture on DSLR
We know that shutter speed and aperture are important part of photography in manual mode. But, how to change shutter speed and aperture on DSLR? Depends on make of camera and lens. You need to rotate some wheel with and without pressing another button is the basic. We have included a graphical representation which can help you. How To Change Shutter Speed And Aperture on … [Read more...]
Arduino Multifunction Shield (HCARDU0085) : Features
This is kind of review out of marketing research as ex-willing consumer. Initially I thought that it is Made in China and has lot of sensors. Arduino Multifunction Shield has 4 digit 7 segment led display, 4 SMD led, 10k potentiometer, 3 push buttons, buzzer and lot of interfaces. It is not Made in China, it is just a costly thing with very less features. $2 would be correct price for it. This is … [Read more...]
How To Install Apache NiFi On Ubuntu 16.04 LTS
The original project behind Apache NiFi was created by NSA! Of course it will be efficient in tracking and can have vulnerabilities, at least older than 1.3 versions had. Version 1.3.0 is latest at the time of publication of this guide. At present NSA has nothing to do with Apache NiFi and it has been another Big Data tool in Apache Software Foundation's collection. It can have vulnerabilities. … [Read more...]
List of Budget Saving Cheap Arduino Modules And Components
We know that many peoples from good families on this earth unfortunately on budget while there are different type os humans. Here is best list of budget saving cheap Arduino modules and components on web with which you can create useful projects and will not repent. Cheap Arduino Modules And Components : Forewords For Those Are At Budget For electronics, we talk about … [Read more...]
List Of Open Source Big Data Visualization Tools
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...]
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...]