Recent Articles

How to Create User, Database with SQL in MariaDB on Ubuntu 16.04

MariaDB is an open-source MySQL project with more improved features. It is highly compatible with MySQL and it can be considered as a drop-in replacement for MySQL.  All client libraries, client-server protocols, SQL dialect, MySQL replication, Master-slave configuration etc are quite similar to MySQL. In this article, I'll explain some of the basic SQL commands in […]

November 17, 2016 | By in UBUNTU HOWTO
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How to Install Apache Sqoop on Ubuntu 16.04

Apache Sqoop is a tool designed for efficiently transferring bulk data between Apache Hadoop and structured datastores such as relational databases. For example : MySQL, Oracle, Microsoft SQL Server. You can import and export data between relational databases and hadoop. You can also import / export from / to semi-structured data sources, for example HBase and […]

November 16, 2016 | By in UBUNTU HOWTO
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How to Install GitLab with Ngnix (SSL) on Ubuntu 16.04

GitLab is a web-based Git repository manager similar to Github. It's an open source git repository management tool powered by Ruby and Rails. It provides a .deb package which contains GitLab Community Edition and all its dependencies including Ruby, PostgreSQL, Redis, Nginx, Unicorn and other gems already compiled. It offers three different versions. One is […]

November 15, 2016 | By in UBUNTU HOWTO
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Reviewing Docker Alternative with Options for Clustering Technologies

Docker is great peace of software, but Free Software world doesn't tolerate mono-cultures. Whenever some piece of software gets popular, the alternatives show up and each of them makes its own design changes in order to fill different niches. Containers are no exception. First there was LXC and OpenVZ, then Docker shown up, then CoreOS […]

November 14, 2016 | By in TRENDING
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30 Most Frequently Used Hadoop HDFS Shell Commands

In this tutorial, we will walk you through the Hadoop Distributed File System (HDFS) commands you will need to manage files on HDFS. HDFS command is used most of the times when working with Hadoop File System. It includes various shell-like commands that directly interact with the Hadoop Distributed File System (HDFS) as well as other file […]

November 11, 2016 | By in UBUNTU HOWTO
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Setup Hot Backups of MySQL with Percona Xtrabackup on Ubuntu

When backing up a database, you generally don't want to stop the database. Because if you stop it, your application will become unavailable. But if you do not stop it, your backup might end up inconsistent and useless, due to half done transactions being backed up. Percona have come up with good solution for incremental […]

November 10, 2016 | By
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How to Setup OwnCloud 9 with Nginx and OpenSSL on FreeBSD 11

OwnCloud is a PHP and MySQL based free and open source file sharing application platform which allows us to create our very own cloud storage platform. The OwnCloud server which is a free edition is released under GNU AGPLv3 license whereas the Enterprise edition is under OwnCloud Commercial license. It is a client-server architectural software […]

November 9, 2016 | By in UNIX
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How to Setup Minecraft Multiplayer Server on Ubuntu 16.04

Minecraft is very popular sandbox game that is played by kids and grownups across entire globe. In this article we will show how to install a Minecraft server to play Minecraft with your friends in your own virtual world. You would need to buy the Minecraft game, to play it, and your friends will need […]

November 8, 2016 | By in UBUNTU HOWTO
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How to Setup VNC Server on Ubuntu 16.10 with ssh Tunneling

Traditional way to administer server is over ssh and command line. But sometimes you need to run some application with a GUI on a server, and since you typically don't sit next to server and even if you do, server might not have monitor and keyboard, you need some sort of remote desktop. VNC is […]

November 7, 2016 | By in UBUNTU HOWTO
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How to Setup CouchDB Replication on Ubuntu 16

In today article we will set up CouchDB replication on Ubuntu 16.10. CouchDB is NoSQL database much similar to cassandra we wrote about earlier. Rather than Cassandra's Java, CouchDB is written Erlang and it is Apache Software Foundation project since 2008. This database is document oriented, not unlike MongoDB. For this tutorial, you need two nodes running Ubuntu […]

November 4, 2016 | By
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How to Setup lsyncd for Synchronize Directories to Remote Computers

If you want some directory of yours actively backed after every change, they are a lot of sync options to choose from. Software like csync, rsync, csync2, lsyncd and many others will all do the job, but in this article we will only review one of them. We will introduce features of lsyncd, a synchronization […]

November 3, 2016 | By in LINUX HOWTO
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How to Setup Percona Cluster with HAproxy Loadbalancer on CentOS 7

We earlier shown how to setup MariaDB Galera cluster with HAproxy, and today we will do the similar setup with Percona's distribution of MySQL. Percona is the company that has deep expertise with MySQL and MongoDB, and they make their own distributions of those databases as well as storage engines for both databases. Today we will […]

November 1, 2016 | By in LINUX HOWTO
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How to Setup OwnCloud 9 on Debian 8 Using Nginx with Https

OwnCloud is an open source file sync & share software for everyone operating the free OwnCloud Server edition, to large enterprises and service providers operating the OwnCloud Enterprise Subscription. It provides a safe, secure, and compliant file synchronization and sharing solution. We can share one or more files and folders on your computer, and synchronize them with […]

October 31, 2016 | By in DEBIAN
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How to Setup MariaDB Galera Cluster with HAproxy on CentOS 7

In todays article we will install MariaDB Galera cluster with HAproxy for load balanced MariaDB and wordpress. Galera is active-active clustering technology, meaning that it can support writes on all nodes which are then replicated across cluster. There is also active-passive clustering, where only node is writable. We will also install HAproxy for load balancing […]

October 28, 2016 | By
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