Recent Articles

How to Setup and Run Docker Data Volumes

In this tutorial we are going to walk throughout the use of docker volume, which can be seen as a flexible way provided by docker ecosystem to manage and handle data, internally by containers as well as in a shared fashion between them. Please not that, for the demonstration I’ll be using docker for mac […]

December 8, 2016 | By
| Reply More

How To Backup Using Duplicity on Ubuntu 16.04

Duplicity is a software application that provides encrypted, digitally signed, versioned tar-format backup volumes which can be uploaded to a remote or local file server. It is supported in all major Linux distribution like Ubuntu, Linux Mint, Debian, Fedora, and much more. Duplicity supports syncing files locally or remotely between filesystem or servers using, SSH/SCP, Rsync, […]

December 7, 2016 | By
| Reply More

How to Create and Use Kubernetes Secrets

The current article will tackle one of the most import feature of kubernetes which is called Secrets. Before dig diving in this feature first, I would like to mention that throughout this article I’ll be using the terms Kubernetes and K8s interchangeably. Well, the purpose of the article is to walk throughout the most important […]

December 6, 2016 | By in TRENDING
| Reply More

12 lftp Commands to Manage Files with Examples

Today we are going to install LFTP, which is a command line FTP client. LFTP supports many protocols in addition to FTP, such as HTTP, HTTPS, HFTP, FISH, FTPS and FXP. It supports mirroring directories and you can have commands entered in two modes. In LFTP command line shell or right from the bash shell. […]

December 5, 2016 | By
| Reply More

How to Setup Single Node Hadoop Cluster Using Docker

In this article, I will show you how to setup a single node hadoop cluster using Docker. Before I start with the setup, let me briefly remind you what Docker and Hadoop are. Docker is a software containerization platform where you package your application with all the libraries, dependencies, environments in a container. This container […]

December 2, 2016 | By in TRENDING
| Reply More

How to Deploy Spark Application on Yarn and Integrate with Hive

In this article, I will tell you working of Spark with  YARN and  Hive. Before I begin, let me briefly tell you what Apache Spark, YARN and Apache Hive are. Apache Spark is an in-memory distributed processing framework. Spark is used for real-time processing. Apache Spark can run programs up to 100x faster than Hadoop MapReduce […]

December 1, 2016 | By
| Reply More

How to Install Coreos on Virtualbox from ISO Image

In this article I am going to show how to install install CoreOS on VirtualBox. CoreOS is Linux distribution that is completely about containers. Idea behind CoreOS is that OS itself doesn't have any package manager, instead when some software is needed you make a container for it and install it in that container. For now […]

November 30, 2016 | By
| Reply More

How Use Systemd journalctl Command To Manage Logs

Despite some of the negative publicity, systemd have brought great new functionality to the Linux operating system. Logging is one of them. In the old days before systemd, checking logs and troubleshooting issues was sometimes very unpleasant thing to do because logs for different programs were scattered in different files and you had to check […]

November 29, 2016 | By
| Reply More

15 Best Free Steam Games you can Play on Ubuntu Linux

Hello and welcome. Today we are talking about Linux gaming. Thanks to Valve, things are a lot better than it used to be, and Steam has very big collection of games that work on SteamOS or any other Linux distribution that has Steam installed. So we are going to use Ubuntu 16.04 to install and review […]

November 28, 2016 | By
| Reply More

How Install R / R Studio on CentOS 7

The R programming language is a free software implementation of S programming language, and it is largely compatible with it. It is a GNU project and it is most popular language for statistics and data science, rivaled only by Python. Today we will install the R and R Studio IDE on Centos 7 server. This […]

November 25, 2016 | By
| 2 Replies More

How to Setup GitLab Server Backup

GitLab is an absolute solution for storing all your Git repositories. Taking backup is an important activity even when a few people ignore it because taking backups repeatedly are too tiresome and adds to their frustration as a developer. So, automating the whole process of taking the backup of your GitLab repositories is a good idea. […]

November 24, 2016 | By
| Reply More

How to Install SonarQube with Nginx on Ubuntu 16.04

Sonarqube is an open source platform for continuous inspection of code quality. It is written in Java language and it offers support per languages. It supports various languages like Perl, PHP, Ruby etc. It provides reports on various Code quality analysis (like duplicate coding errors, the percentage of unit testing which got failed and succeeded), […]

November 23, 2016 | By
| Reply More

How to Configure Mariadb Maxscale Master-Slave with Galera Cluster

In this article we will install MariaDB galera cluster with MaxScale proxy database by MariaDB corporation. MaxScale is inteligent proxy database that can route database statements from cluster to one server. But unlike HAproxy, MaxScale uses asynchronius I/O of the Linux kernel  which should help with performance. Cluster we are going to make will have […]

November 22, 2016 | By
| Reply More

Awesome ! Hadoop HDFS Commands Cheat Sheet

HDFS is now an Apache Hadoop subproject. An HDFS instance contains of vast amount of servers and each store a part of file system. A typical file size in HDFS would be in gigabytes or terabytes in size hence applications will have large data sets. A file once created need not be changed ie it […]

November 21, 2016 | By
| Reply More