Previously we described How Install Apache Cassandra. Apache Ignite is a distributed database, caching and processing platform. Apache Ignite utilizes RAM as it's default storage and processing tier making it included in the class of in-memory computing platforms. Data in Ignite is stored in the form of key-value pairs. The database component scales horizontally. How to Install Apache Ignite on … [Read more...]
Arduino Soil Moisture Sensor : How Works, What to Buy
Basic purpose of soil moisture sensors is determining percentage of water in soil, rater volumetric water content of soil mainly for watering plant. We commonly view certain type sensors in prototyping works on various websites and online stores. Basic questions which will come to mind to a newbie are - How Arduino Soil Moisture Sensor Works? What to Buy as Soil Moisture Sensor? We are trying to … [Read more...]
Analysis of Docker in DevOps : Part III (END)
This is the final part of Analysis of Docker in DevOps. In part I of Analysis of Docker in DevOps, we discussed the basic terms and concepts around Docker and DevOps for revision. In part II of Analysis of Docker in DevOps, we had a discussion on different types on requirements on Docker and DevOps. In this final part, we will discuss matters like Employee Onboarding, Platform independence, … [Read more...]
Analysis of Docker in DevOps : Part II
In first part of the series of articles on Analysis of Docker in DevOps, we discussed the basic terminologies and concepts around Docker and DevOps. As per our previously declaired plan, Dockers implementation will be discussed after discussing the specific requirements within software projects. In this part, requirements will be discussed. IT has several requirements to fulfill, needs to go … [Read more...]
Analysis of Docker in DevOps : Part I
In our previous series of article, we discussed about Basics of DevOps, Virtualization Requirements for DevOps and Docker Tutorial For Beginners. Analysis of Docker in DevOps is a Series of Articles to Discuss the Solving Problems Arising within DevOps and Possible Fields of Application. This articles highlights some of the problems which IT-companies face. Due to the increasing merger of formerly … [Read more...]
Arduino Flip-Flop Blinking LED With Push Button
The current series of articles we are publishing are around basics for learning Arduino and also IC. We already know that we can blink one LED with Arduino and also we can blink one LED with 555 IC. We can also blink 2 LEDs alternatively with Arduino and also blink 2 LEDs alternatively with 555 IC. From our older examples, we can start LED to be on with one pushbutton press and turn-off with … [Read more...]
How Install Apache Cassandra on Ubuntu (Single Cloud Server Instance)
Apache Cassandra is a wide column store NoSQL database management system. Cassandra provides high availability with no single point of failure, robust support for clusters spanning multiple datacenters. Facebook released Cassandra for Facebook inbox search feature. Main features of Apache Cassandra is it is - Distributed, Replication strategies are configurable, Scalable, Fault-tolerant, Has … [Read more...]
Making Stereo Wireless Over Bluetooth : Proper Selection of Devices
Today, it is becoming common to see a USB pen drive like thing plugged to some power source and any type of audio system or speaker including normal earphone or headphone (we discussed how earphone and headphone differs) and audio is streamed from mobile device like Android smartphone. Such China made units cost hardly $2 per unit. Making Stereo Wireless With Bluetooth or Wi-Fi Probably One of the … [Read more...]
How to Install Apache Accumulo on Ubuntu (Single Cloud Server Instance)
Accumulo provides robust, scalable data storage. It is a scalable, distributed key-value store based on Google's Bigtable and built on top of Apache Hadoop, Apache ZooKeeper, and Apache Thrift. Accumulo is the third most popular NoSQL wide column store behind Apache Cassandra and Hbase. Here Are the Steps on How to Install Apache Accumulo on Ubuntu Running on Single Cloud Server Instance. You have … [Read more...]
How to Make Mobile Charger With AA, 9V Battery (Regulated Voltage)
There are hundreds of guides on the web on how to make mobile charger with AA, 9V battery. But none of them tell you how to easily get regulated power supply in easy cheap, easy way. Here is Easy Guide On How to Make Mobile Charger With AA, 9V Battery Which Will Supply Regulated Voltage Ensuring Recommended Stable Voltage Supply. In recent long tour, when I connected my Samsung mobile to new … [Read more...]
Arduino Blink LED With Pushbutton Control to Turn ON and Off
We already know that we can blink one LED with Arduino and also we can blink one LED with 555 IC. We can also blink 2 LEDs alternatively with Arduino and also blink 2 LEDs alternatively with 555 IC. From our older examples, we can start LED to be on with one pushbutton press and turn-off with another pushbutton keypress. Arduino Blink LED With Pushbutton Control to Turn ON and Off is Few Steps … [Read more...]