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Tutorials

Step-by-step guides to help you get the most out of your cloud infrastructure. Learn how to deploy, configure, and optimize your applications.

10 Essential Laravel 4 Packages Everyone Should Use.PHP

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

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10 Essential & Useful Ruby on Rails 4 Gems.Ruby

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 that help accelerate

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CentOS 6 to CentOS 7 Upgrade Procedure.Linux

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

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Setup Continuous Integration Pipelines with GitLab CI on Ubuntu 16.04.Linux

Setup Continuous Integration Pipelines with GitLab CI on Ubuntu 16.04.

This tutorial will elaborate on how one can set up GitLab CI to not just monitor repositories for changes but also run automated tests for validating code.

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WordPress Performance Tip: Controlling Cronjobs.WordPress

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

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Fixing 403 Forbidden Nginx Errors.Nginx

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

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Getting started with Docker in minutes using Docker Machine.Docker

Getting started with Docker in minutes using Docker Machine.

Docker is an open source platform designed for system administrators and developers to deploy applications. There are a number of tools around the Docker

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Getting Started with MEAN Stack.Node.js

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

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How To Setup Highly Available Web Servers with Keepalived & Floating IPs on Ubuntu 16.04.Linux

How To Setup Highly Available Web Servers with Keepalived & Floating IPs on Ubuntu 16.04.

Use keepalived to set up a highly available web service on Ubuntu 16.04 by using a floating IP address that can be moved between two capable web servers.

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How to add extra swap space on CentOS 6.Linux

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

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How to Add Swap on Ubuntu.Linux

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

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How To Allow Remote Access to MySQL.Database

How To Allow Remote Access to MySQL.

A distributed environment has become a requirement for many projects. Separate database servers can increase security and allow you to scale up resources

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Field notes / Latest

What production is teaching us.

Engineering notes from operating open infrastructure: the failures, design decisions, and upstream work that make open infrastructure better.

Browse all field notes