Scaling

What is Kubernetes? — step-by-step Docker tutorial on Progressive Robot

What is Kubernetes?

Kubernetes is a container management system meant to be deployed on Docker-capable clustered environments. In this guide, we will discuss some of the basic concepts that Kubernetes introduces. We will discuss some of the design decisions and what makes this different from other cluster-related technologies.

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How To Create a Redundant Storage Pool Using GlusterFS on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Create a Redundant Storage Pool Using GlusterFS on Ubuntu 20.04

GlusterFS is a network-attached storage filesystem that allows you to pool computing or storage resources of multiple machines. In turn, this lets you treat various computers as a single, more powerful unit. In this guide, you will create a redundant clustered storage array. This will provide functionality similar to a mirrored RAID configuration over the network.

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How To Understand the Chef Configuration Environment on a VPS — step-by-step Programming tutorial on Progressive Robot

How To Understand the Chef Configuration Environment on a VPS

Chef is a popular configuration management system that allows you to deploy predictable, complex environments to machines within your organization. In this article, we will discuss the Chef configuration environment and organizational structure at a high level so that you will be familiar with the components that make up a Chef configuration system.

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An Introduction to Mesosphere — step-by-step Docker tutorial on Progressive Robot

An Introduction to Mesosphere

Mesosphere is a software solution that expands upon the cluster management capabilities of Apache Mesos with additional components to provide a new and novel way to manage server infrastructures. In this tutorial, we will briefly explain what each key component of Mesosphere does, starting with Apache Mesos, and show how each is used in the context of Mesosphere.

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How To Prepare For Your MySQL 5.7 Upgrade — step-by-step Linux tutorial on Progressive Robot

How To Prepare For Your MySQL 5.7 Upgrade

This tutorial will help you prepare to upgrade to MySQL 5.7 from earlier versions. It covers `sql_mode` with practical examples of query responses that get stricter. The tutorial also contains instructions for checking for warnings and errors, and contains a sample config file so you can test the new settings before upgrading. This article is from the [MySQL Team at Oracle](http://www.oracle.com/us/products/mysql/mysqlcommunityserver/overview/index.html).

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