Tutorials2018-07-25T15:02:55+00:00

Resources

Cloud Computing Strategy Tutorials & Documentation

CentOS 6 to CentOS 7 Upgrade Procedure

CentOS 7 was released only few weeks after Red Hat Enterprise Linux 7, including the same exciting features RHEL ships. Besides the long awaited Systemd and the right now much discussed Docker this release also [...]

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WordPress App on Ubuntu 14.04 LTS

We have built a ready-to-go application image which offers you the latest WordPress release running on an optimized Apache, PHP and MySQL stack. You don’t need any knowledge in managing your server, all you need [...]

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How To Customize your Ghost Instance

Ghost is an Open Source application created and dedicated for blogging. It allows us to write and publish our own blog, giving you the tools to make it easy and even fun to do. It [...]

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How to install and use Logwatch on Ubuntu 14.04

When you know about the normal state of your network and servers, then you can easily spot the abnormal by just monitoring its logon activity. So, In this tutorial we will guide you on the complete [...]

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How To Run Nginx in a Docker Container on Ubuntu 16.04

Nginx is an open source reverse proxy server for HTTP, HTTPS, SMTP, POP3, and IMAP protocols, as well as a load balancer, HTTP cache, and a web server (origin server). Docker containers enable developers to [...]

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How to deploy a MariaDB Galera cluster on Ubuntu 14.04

Today we will show you about the deployment of MariaDB Galera Cluster on Ubuntu 14.04. MariaDB is an enhanced, drop-in replacement for MySQL while MariaDB Galera Cluster is a synchronous multi-master cluster for MariaDB. MariaDB [...]

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How to Add Swap on Ubuntu

Swap space in Linux is used when the amount of physical memory (RAM) is full. If the system needs more memory resources and the RAM is full, inactive pages in memory are moved to the [...]

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How To setup Cassandra and run a Single-Node Cluster on Ubuntu 16.04

Apache Cassandra is an open source distributed database management system designed to handle large amounts of data across many commodity servers, providing high availability with no single point of failure. Cassandra offers capabilities that relational [...]

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How To Securely Set Up Shipyard 2.0.10 with TLS on CoreOS

Shipyard is a management tool for Docker servers. Docker is a cutting-edge piece of software used for containerization. Shipyard allows you to see which containers each of your servers are running, in order to start [...]

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How to Upload Custom Images with OpenStack

The robustness of the OpenStack cloud allows you to run almost any operating system that you need on our platform. The only thing you need to do is make sure that it’s configured to pick [...]

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How To Install Rails and Nginx with Passenger on Ubuntu

Ruby on Rails is an open source web application framework which runs on the Ruby programming language. It allows the developers creating pages and applications that gather information from the web server, talk to or [...]

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How to Install Apache Server On Ubuntu 16.04

  Introduction  The Apache HTTP server is one of the most used web server today. The great features that Apache HTTP includes media assistance, loadable modules and extensive integration with other popular applications. In this [...]

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Nginx Windows: How to Install

Nginx is an extremely high performance web server which has the ability to handle thousands of requests per second with little hardware requirements. It can be installed on any operating system and it comes as [...]

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How to setup HHVM server on Ubuntu 14.04

HipHop Virtual Machine was developed and open sourced by Facebook. It’s an open source virtual machine designed for executing programs written in Hack and PHP but it’s not a replacement for PHP. HHVM uses a [...]

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How To Set Up a Minecraft Server on Linux

Minecraft is popular sandbox indie game originally created by Swedish programmer Markus “Notch” Persson and later developed and published by Mojang. It is a game about breaking and placing blocks. At first, people built structures to [...]

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How to install Elasticsearch on Ubuntu 14.04

Elasticsearch is a highly scalable open source search engine built on top of Apache Lucene and released under an Apache license. It is a tool for querying written words with some other nifty tasks but [...]

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How to Use Prometheus to Monitor Your CentOS 7 Server

Prometheus is an open source monitoring system and time series database. It addresses many aspects of monitoring such as the generation and collection of metrics, graphing the resulting data on dashboards, and alerting on anomalies. [...]

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How To Install Ruby on Rails on Ubuntu

Ruby on Rails, often simply Rails, is an open source web application framework which runs on the Ruby programming language. It is a full-stack framework: it allows creating pages and applications that gather information from [...]

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How To Create a SSL Certificate on Nginx for Ubuntu

Security is always very important when it comes to any type internet communication. SSL certificates are one way to get higher level of security for web servers. When a web server runs using secure protocols, [...]

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How to configure HTTP authentication with Nginx on Ubuntu 14.04

HTTP supports the use of several authentication mechanisms to control access to pages and other resources. These mechanisms are all based around the use of the 401 status code and the WWW-Authenticate response header. HTTP authentication is the simplest [...]

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Installing the Latest MySQL on Ubuntu 16.04

Introduction Having the latest version of MySQL is very important. Fortunately, keeping MySQL up-to-date is not a hard task. In this tutorial, we will walk through the steps of installing the latest version of MySQL [...]

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How To Deploy a Clojure Web Application on Ubuntu 14.04

Clojure is a modern, functional programming for the JVM and a dialect of the Lisp (LISt Processing) that focuses on concurrent programming found in operating systems. Clojure is a functional programming language that features a [...]

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How To Install and Setup Postfix on Ubuntu

Postfix is one of the most popular Mail Transfer agent nowadays. It comes as free and open source software package. Recent studies have showed that at least 25% of the mail servers on internet are [...]

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Setting Up Continuous Integration Pipelines with GitLab CI on Ubuntu 16.04

Introduction A self-hosted Git repository provider, GitLab Community Edition comes with additional features for software development as well as project management; including GitLab CI, which is a built-in continuous integration and delivery tool. This tutorial [...]

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How to setup OpenVPN Server and Client on Ubuntu 14.04

OpenVPN is one of the most popular and widely used open source software application that implements virtual private network (VPN) technologies for creating secure point-to-point or site-to-site connections in routed or bridged configurations and remote [...]

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WordPress Performance Tip: Controlling Cronjobs

So, your blog is growing fast or you are worried that your visitors will start increasing quickly but your WordPress based website or blog is slowly starting to slow down. You are panicking and you [...]

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10 Essential Laravel 4 Packages Everyone Should Use

Laravel is a very popular and easy to use PHP framework which allows you to quickly build applications by providing a solid foundation of tools such as RESTful routing, built-in ORM, templating and much more. [...]

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10 Essential & Useful Ruby on Rails 4 Gems

The Ruby on Rails framework is an extremely powerful tool for developing web applications. It comes with plenty of built-in features which help accelerate the development of your web application such as intelligent routing and [...]

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How To Install GitLab As Your Private GitHub Clone

Git is a distributed revision control and source code management (SCM) system with an emphasis on speed. Every Git working directory is a full-fledged repository with complete history and full version tracking capabilities, not dependent [...]

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How To Create a High Availability HAProxy Setup with Corosync, Pacemaker, and Floating IPs on Ubuntu 14.04

A high availability architecture is one of the key requirements for any Enterprise Deployment network. In this tutorial we will cover the build of a two-node high-availability cluster using the Corosync cluster engine, and the [...]

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How To Install FreePBX on CentOS

PBX (stands for private branch exchange) is a private telephone network used that can be very easily connected to the public landline and mobile networks. The PBX network also provides audio, video and instant messaging [...]

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Installing Latest Node.js on Ubuntu

Node.js is a software platform that is typically used to build large scale (most frequently server-side) applications. It uses Javascript as its scripting language and it can deliver high performance because of it’s non-blocking I/O [...]

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How To Install and Use EasyEngine (ee) on Ubuntu

EasyEngine (ee) is a linux shell-script collection, which makes managing your WordPress and Nginx sites on an Ubuntu server easy and fun. EasyEngine makes it very easy to manage Nginx and we will no longer [...]

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How To setup LAMP stack on CentOS 7

LAMP is short for Linux, Apache, MySQL or PHP which is an open source web development platform. It uses Linux as it’s operating system while Apache and MySQL are used as a web & database [...]

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Fixing 403 Forbidden Nginx Errors

HTTP errors are pesky and typically hard to resolve without the right tools. However, with proper investigation and tools, you can easily identify the source of a problem and fix it just as fast. In [...]

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How To Install and Use Docker Compose on Ubuntu 14.04

Docker is an open platform for distributed applications for developers and sysadmins. You can achieve agility and control for Development and IP Operations team to build, ship and run any application anywhere. It lets you [...]

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Small Dive Into Meteor.JS

If you follow the latest JavaScript hypes, I am sure you have already heard about the awesomeness of meteor.js. If you have not yet, this is your chance. This article will walk you through the [...]

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How to add extra swap space on CentOS 6

In CentOS 6 swap space or simply swap is something that is used by the operating system when the system requires more memory that the physical memory installed on the server. In that case, the [...]

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How To Setup VNC For Ubuntu

In computing, Virtual Network Computing (VNC) is a graphical desktop sharing system which transmits the keyboard and mouse events from one computer to another, relaying the graphical screen updates back in the other direction, over [...]

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Getting Started with MEAN Stack

Node.js has one of the biggest tech communities behind it and as a result it also has a colossal amount of toolset to choose from for whatever project you are working on. Small tools are [...]

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How to Install Git on Ubuntu

Git is an open source, distributed version control system. It’s all the rage right now with sites like GitHub offering a social coding experience, and popular projects such as Perl, Ruby on Rails, and the [...]

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How to Install and Use Docker on Ubuntu 14.04

Docker is an open-source program that enables a Linux application and its dependencies to be packaged as a container such as configuration files, however, unlike a virtual machine, a container doesn’t run a OS, it [...]

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How To Setup SSH Keys

SSH keys are by far the most secure way of logging into your cloud server via SSH. Passwords can be eventually cracked using brute-force attacks if they are too easy. If they are complex passwords, [...]

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How To Deploy Django on Nginx, Gunicorn with Postgres

Django is a free and open source web application framework, written in Python, which follows the model–view–controller architectural pattern. It is maintained by the Django Software Foundation (DSF) and its primary goal is to ease [...]

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How To Install Linux, Nginx, MySQL, PHP (LEMP) stack on Ubuntu

The acronym LEMP refers to first letters of the four components of a solution stack, composed entirely of free and open-source software, suitable for building high-availability heavy-duty dynamic web sites, and capable of serving tens [...]

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How to Setup OpenStack CLI Tools

In this tutorial, we’re going to look into installing all the CLI toolsets required to interact with an OpenStack cloud (taking our cloud as an example). At the time of writing this article, there are [...]

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How to install IonCube Loaders on Ubuntu 14.04

IonCube lets you protect your website's PHP code from being viewed and ran on unlicensed computers. IonCube Loaders is an encryption/decryption utility for PHP applications which also assists in speeding up the pages that are [...]

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MEAN & Socket.IO Integration Tutorial

One of hottest topic in node.js is building realtime web applications. If you come from a C/C++/Java background, you will be amazed how surprisingly easy it is to quickly build out a realtime communication between [...]

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Ruby on Rails vs. Laravel: Getting Started

There are currently many popular frameworks for online web application development. There are also different types of frameworks, such as those with plenty of additions and extras, which allow for faster iteration (such as Rails) [...]

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How To Install an Upstream Version of Node.js on Ubuntu

Node.js is a software platform that is used to build fast and easily scalable applications. Node.js utilizes JavaScript as its scripting language, and achieves high throughput via non-blocking I/O and a single-threaded event loop. Node.js [...]

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