Previously we talked about OpenVZ and compared with Xen, KVM virtualization. OpenVZ is Free Software intended for production usage. CentOS or Red Hat Enterprise Linux are practical GNU/Linux distro for certain works. Furthermore, CentOS has lot of users who are using OpenVZ. We can use OpenVZ on dedicated server to create multiple virtual servers. Here is how to install OpenVZ on CentOS to create … [Read more...]
Arduino DC Motor Control With Speed On TM1637 LED Display
This is kind of under development project. It only demonstrates that we can echo the serial input to display device. Here is Arduino DC Motor Control with speed on TM1637 LED display with basic easy circuit. Basically if we run TM1637 LED Display, Arduino and DC Motor simultaneously drawing power from computer's USB, performance becomes unreliable! More funnily, the basic circuit is of our Arduino … [Read more...]
How To Find File On SSH : Examples With Log Files With Conditions
Basically this guide is intended to be a quick reference to the relatively new users who are not easy with using find, locate, du combined with sed, awk, head, tail, unix pipes to find and locate files with some conditions. We can use other GNU tools. We can really extract huge information from log files like we have shown on our guides to check Fail2Ban log (we have a bash script for Fail2Ban log … [Read more...]
How to Solder Electronic Components : Through-Hole
Ordinary soldering irons are not costly and you can try. Soldering is one of the most needed skill in the world of electronics. Alternative to soldering in part is wire wrapping, but wire wrapping not always easy or perfect solution with currently available tools. Soldering through-hole technology components (through-hole components are commonly used by the makers and differs from SMD components). … [Read more...]
Install Apache SystemML Machine Learning System on Ubuntu
Apache SystemML provides a system for machine learning using big data on top of Apache Spark. Previously we described how to install Apache Mahout for building machine learning platform. Here is another solution for machine learning - Apache SystemML. In this guide we will show you how to install Apache SystemML machine learning system on Ubuntu 16.04. SystemML needs a minimum guidance to get … [Read more...]
How To Use Cloud Services For Marketing Goals
Apart from Business Processes as a Service (BPaaS), traditional web tools became cheaper, feature rich with intensive use of cloud computing. This article on how to use cloud services for marketing goals is not a theoretical article with lot of useless usage of phrases rather it is going to focus on the tools anyone can use, sometimes a layer of free of cost - utilising so called cloud computing … [Read more...]
How To Install Anaconda on Ubuntu 16.04
Conda is a binary package manager used by Anaconda and other systems of Python and R. Anaconda commonly used for data processing, scientific computing, predictive analytics by the data scientists, developers, analysts, and peoples working in DevOps. Anaconda has collection of over 700+ F/OSS packages. Conda is the CLI utility of Anaconda. Here is how to install Anaconda on Ubuntu 16.04. Here is … [Read more...]
How To Install Apache Solr 6.x on Ubuntu 16.04
Solr is pronounced as Solar. It is an enterprise search platform built on Apache Lucene. Similar type of software is Elastic Search. Elasticsearch is on same Apache Lucene and more commonly used with Kibana, Beats, and Logstash as Elastic Stack for searching, analyzing and visualizing data. Here is how to install Apache Solr 6.x on Ubuntu 16.04. Apache Solr search platform can be integrated with … [Read more...]
How To Remove Query Strings From WordPress For Security
Previously shown how to use the hacking tools like sqlmap to test own WordPress for SQL Injection in White Hat way. We also talked about SQL Injection. Here is how to remove query strings from WordPress for security specially to avoid MySQL injections via PHP files for server running Apache2. For Nginx, we talked about how to remove ?utm_source like query strings in older article. Query strings … [Read more...]
Types of Copper Wires Used in DIY, Household Works
It is common to face guides and tutorials DIY electronics works and household repair like we talked about solid core copper wire in another guide. Here is a brief, easy description with illustration of types of copper wires used in DIY, household works. We will mention the common gauges too so that you face less trouble in real. Copper wire are sold different varieties, and the differences may be … [Read more...]
Install Apache TinkerPop (Gremlin Server) With PHP Client
We are talking about TinkerPop3. TinkerPop is graph computing framework offering 3 parts. 3 packaged downloads includes Gremlin Console, Gremlin Server and the source distribution. TinkerPop is slightly confusing to understand to get started. Here is how to install Apache TinkerPop (Gremlin Server) with PHP client on server. Implementations of TinkerPop are Sqlg, Blaze Graph, TinkerGraph, Elastic … [Read more...]