Brick and mortar refers to the physical presence of a business and the term is used to refer who possesses or leases retail stores. It sounds an odd article in technology website. But if you think about increasing pressure to have mobile applications, marking on Google maps to have website for tradition businesses, the matter become obvious. It is fact that many customers expect Internet presence … [Read more...]
Find What Size Filter Your Lens Need
Peoples often searches what mm diameter of filter, macro lens will be perfect. It actually depends only on the particular lens. Here is Easy Guide to Find What Size Filter Your Lens Need. Older lenses has not many ways than finding old manual or Google search or finding experienced peoples. Newer lenses intended for digital cameras usually have the parameter printed on the lens plus box packaging, … [Read more...]
How To Process Healthcare Data in Hadoop, Pig (IBM Demo Cloud)
Previously, we talked about IBM Demo Cloud, which is a free server with SSH access to learn Hadoop, Pig, Hive etc without the need of running own installation. Unlike server log, healthcare data lacks universal format. Here is Basic Commends Showing How To Process Healthcare Data in Hadoop, Pig Using IBM Demo Cloud. As for server logs, we can easily distribute scripts which will work all over the … [Read more...]
How To Run Jupyter Notebook on Android (Termux CLI)
We discussed about custom repo setup on Termux. We will actually see that application here. In this Guide, We Will Discuss How To Run Jupyter Notebook on Android Using Termux CLI. It is no way closest to real stable way, you may need to modify, develop, contribute to make it smooth. The total method is time taking, may throw error demanding searching fix. It is recommended to use an USB mouse or … [Read more...]
Arduino Simple Music Analyzer VU Meter From Stereo Input
In our old guide we made VU Meter using microphone and LEDs, also our Arduino door bell project have kind of VU meter with 3 LEDs. Now, our one reader asked how to create good looking but easy Music Analyzer or VU Meter using Audio input from devices like microphone out or smartphone's USB out. Here is Arduino Simple Music Analyzer VU Meter From Stereo Input Project. It is nothing but reproduction … [Read more...]
How to Use Domain Name Instead of IP Address to SSH
Regular readers know that we have reverse proxy of IPv6 for this website. It is Probably Common to Ask How to Use Domain Name Instead of IP Address to SSH. It is Complicated When Your Domain Has Multiple Servers, Like For Reverse Proxy. It depends on your current computer's IP for setup like ours. For dedicated servers, possibly you have more IP v4 addresses to SSH and face traffic. Obviously, we … [Read more...]
Effectiveness of Flushing DNS Cache to Prevent DNS Cache Poisoning and Spoofing
Situation arises when one new developer self-host DNS and use own computer for temporary or permanent hosting DNS. It is mostly a misconception that flushing DNS of localhost provide good immunity. In This Article, We Will Clarify Whether Regular Flushing DNS Cache to Prevent DNS Cache Poisoning and Spoofing is Sufficient to Provide Them an Acceptable Level of Security. The DNS vulnerabilities … [Read more...]
Arduino : LED Switch On By Push Button Switch Off By IR Obstacle Sensor
First, we made IR Obstacle Detection Sensor For Dimming LED (Stop Event Facing Obstacle), then we made 2 Push Button One LED to Switch On/Off project. Here is Circuit Diagram and Code To Make LED Switch On By Push Button Switch Off By IR Obstacle Sensor and Arduino Board. In next guide, we will improve our Arduino Door Bell - door bell will start with glowing LEDs upon button press and stop when … [Read more...]
Requirements of Platform as a Service (Pass) in DevOps
Platform as a Service (PaaS) is second level of cloud computing. These cloud services provide the users a complete development and operating environment, which are addressed via APIs of the respective provider. PaaS allows companies and software developers to focus on their core competencies without having to worry about maintaining infrastructure, scaling, operations, and middleware all this at … [Read more...]
Configure and Setup SSHFP : SSH Fingerprint in the DNS
SSHFP is SSH Fingerprint in the DNS. Before newer versions of Microsoft Windows, there was only PuTTY like applications to SSH from Microsoft Windows computers. Newer versions officially has Ubuntu Terminal, which needs to be configured. As from Android, there is Terminux application. It is obvious that Mac has iTerm2 and Terminal and GNU/Linux has Terminal. So, nobody should have trouble to use … [Read more...]
Common PNP, NPN Transistors For Arduino, Raspberry Pi Projects
Transistor is kind of scary to many beginners as most commonly, transistors are not given importance than vacuum tubes within twelfth grade course. Here is Kind of List of Common PNP, NPN Transistors For Arduino, Raspberry Pi Projects for the Beginners. Also, in this article, we will discuss basics around transistors. Transistor can be used as a switch or an amplifier. Our guide to use buzzer with … [Read more...]