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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.

How To Customize your Ghost Instance.General

How To Customize your Ghost Instance.

Ghost is an Open Source application created and dedicated to blogging. It allows us to write and publish our own blog, giving you the tools to make it

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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 Run Nginx in a Docker Container on Ubuntu 16.04.Docker

How To Run Nginx in a Docker Container on Ubuntu 16.04.

Whether you use the open source NGINX image from the Docker Hub repository or create your own NGINX image, you can spin up new instances in containers.

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

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

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How to Use Prometheus to Monitor Your CentOS 7 Server.Linux

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

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How To Setup Your Own VPN With PPTP on Linux (CentOS, Ubuntu, Debian).Linux

How To Setup Your Own VPN With PPTP on Linux (CentOS, Ubuntu, Debian).

A virtual private network (VPN) is network that extends a private network (i.e. LAN) across a public network, such as the Internet. It enables a

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How To Deploy a Clojure Web Application on Ubuntu 14.04.Linux

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

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How To Securely Set Up Shipyard 2.0.10 with TLS on CoreOS.General

How To Securely Set Up Shipyard 2.0.10 with TLS on CoreOS.

Shipyard allows you to see which containers each of your servers are running, in order to start or stop existing containers or create new ones.

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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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How to: Setup Cassandra & Run a Single-Node Cluster on Ubuntu 16.04.Linux

How to: Setup Cassandra & 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,

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How To Install & Setup Puppet Master and Client on Ubuntu 14.04.Linux

How To Install & Setup Puppet Master and Client on Ubuntu 14.04.

Puppet is a system that is used for automating system administration tasks. Almost all system administrators try to get rid of their daily repetitive and

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How to protect your SSH server with Fail2Ban on Ubuntu.Linux

How to protect your SSH server with Fail2Ban on Ubuntu.

Every server that exists online, virtual or dedicated, has some purpose related to its existence. It could be used as mail server, file server, web server

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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