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.
Drupal is one of the most popular free open-source content management systems. Varnish helps with scaling on a software level, by adding additional software that can help with the bottlenecks that arise from a growing number of simultaneous users. Even the simplest Varnish configuration can make your site snappy in a matter of minutes.
When deciding which server architecture to use for your environment, there are many factors to consider, such as performance, scalability, availability, reliability, cost, and ease of management. Here is a list of commonly used server setups, with a short description of each, including pros and cons. Keep in mind that all of the concepts covered here can be used in various combinations with one another, and there is no single, correct configuration.
Corosync is an open source cluster engine used to implement high availability within applications. This tutorial will demonstrate how to use Corosync and Pacemaker to create a high availability (HA) infrastructure on the cloud provider with CentOS 7 servers and Reserved IPs. To facilitate the process of setting up and managing the cluster nodes, we are going to use PCS, a command line interface that interacts with both Corosync and Pacemaker.
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
Puppet, from Puppet Labs, is a configuration management tool helps system administrators automate the provisioning, configuration, and management of a server infrastructure. Planning ahead and using config management tools like Puppet can cut down on time spent repeating basic…
Dans ce guide, nous allons découvrir comment configurer un cluster hautement disponible dans Mesosphere. Cette configuration nous permettra de nous doter d’une fonctionnalité de basculement dans le cas où l’un de nos nœuds maîtres tomberait en panne, ainsi qu’un pool de serveurs esclaves qui gère les tâches planifiées.
Kubernetes aims to provide both resilience and scalability. It achieves this by deploying multiple pods with different resource allocations, to provide redundancy for your applications. Although you can grow and shrink your own deployments manually based on your needs, Kubernetes provides first-class support for scaling on-demand, using a feature called Horizontal Pod Autoscaling.
Deis is an open source private Platform as a Service (PaaS) that simplifies deploying and managing your applications on your own servers. By leveraging technologies such as Docker and CoreOS, Deis provides a workflow and scaling features that are similar to that of Heroku, on…
Nginx is a high performance reverse proxy server and web server. In this guide, we will explore Nginx’s http proxying and load balancing capabilities. We will cover how Nginx can use buffers and caching to improve the proxying experience for clients.
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