To follow this guide, ideally you should have Percona MySQL installed and configured in the way we described in our linked guide. But Percona XtraBackup supports all MySQL flavours like Percona Server, MariaDB, and the original MySQL from Oracle. You must apply the fixes to resolve problems such as Debian distro-specific automatic restart issues. If the server you are going to work is of live … [Read more...]
Difference Between Standalone Database and Distributed Database
The obvious difference between the two is the number of servers. The standalone database requires one server while distributed databases require multiple servers (at least two). In the case of one-node (or one-server) centralized databases, all data are managed by a single DBMS. That is the common setup for almost everything from web software like WordPress to analytical software. Data consistency … [Read more...]
How to Install InfluxDB on Ubuntu Server
InfluxDB is a time series database written in the Golang programming language. It is easy to install for use in specific purposes, use SQL-like query language. It supports HTTP API, also can use InfluxDB to store metrics of our Internet of Things (IoT) projects. InfluxDB is optimized for fast, high-availability storage and retrieval of time series data in fields. It supports processing data from … [Read more...]
Connect Android CLI (Termux) to IBM Watson IoT Like Raspberry Pi
Android smartphones can be made to partially work like Raspberry Pi like single board computers. That is probably useful for different reasons. To follow the steps of this guide, you need to read our previous guide for the basic setup with Termux. Although in that guide, we mainly focused on how to use Node-RED, there are is the installation of termux-api and some useful links. Any Android device … [Read more...]
What is Time Series Database (TSDB)?
The time-series database systems provide various features based on time such as calculating at a high speed, executing query analysis from continuous values. Time-series databases are associated with industrial applications. They can store values from sensors. Compression algorithms may be used to manage the data. The design of these time series systems uses time as a key index which makes the … [Read more...]
Avoiding Landing Page Failure
Landing pages are said to be one of the most prominent and yet easy to implement online marketing tool. The concept enthusiasts at every possible opportunity quote its numerous benefits such as: increasing conversion rate, getting insights about visitors, getting attention of customers quickly, building trust, speeding up decision making process. Frankly speaking … [Read more...]
Difference Between a USB Type-C and a Micro-USB Connector
USB-C Connector (USB Type-C is the official name) Increasingly Being Used in Modern Smartphones and Other Computing Devices. USB-C is not like the classic USB connectors (including the microUSB and MiniUSB connectors). USB came as a replacement for the large connectors to replace the serial ports, parallel ports, the port for PC mouse and keyboards. USB Type B was designed for the larger, … [Read more...]
How to Use Android Smartphone as IoT Device (Termux, Node-RED)
We can use any modern Android Smartphone something like a Raspberry Pi with a camera, all the sensors & send the collection to any IoT platform. Although it will sound like a complex work it is easy because of a lot of development by many hundreds of developers. There are ready to use Android applications which does the similar job from GUI and connect with IoT platform like IBM Watson IoT … [Read more...]
Difference Between Apache Solr and Apache Lucene
One user have installation guide for Apache Solr but we do not have guide for Apache Lucene. It is kind of deliberate omission. There is an easy way to use Lucence on the command line. In most of the situations possibly you'll use Apache Solr and when you'll realize the need to utilize Apache Lucene, then you'll not need our help on installation. Solr is based on a Java library which is known as … [Read more...]
How to Install CockroachDB on Ubuntu Server
CockroachDB is an Open Source NewSQL DBMS. If you are new to the NewSQL world - CockroachDB can run on Raspberry Pi to large cluster of servers. Distributed Online Transaction Processing (OLTP) is one of the widely known use case of CockroachDB. CockroachDB is an interesting DBMS. It uses PostgreSQL protocol and you'll feel to find some MySQL syntax. It has good things of both RDBMS and NoSQL. It … [Read more...]
Review of 101Domain For E-commerce
In a past article on ICANN's new domain name transfer policy, we mentioned 101domain as one of a few other service providers. After that article our readers asked us to know more about their total set of services. What attracted us to 101domain is their insightful blog on technical matters around domains, SSL, and corporate brand services. The articles on their blog demonstrate carefulness around … [Read more...]