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 o...

Etcd is a globally distributed key-value store that forms the basis of the clustering technology in CoreOS. In this guide, we'll look at etcd and the etcdctl utility and discuss how they can be used to store and retr...

Etcd is a globally distributed key-value store that is available in CoreOS installations. By registering services in this store, related applications can adjust their configuration based on the values available. In ...

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 ...

Continuous integration is the development practice of making frequent commits to your code base, building and testing as you go. Drone.io lets you build and test automatically from a public Git repository.

The fleet daemon and the fleetctl utility program are essential for managing your CoreOS cluster. A cluster-wide interface to individual systemd instances, this system allows you to manage services throughout your cl...

In this tutorial, we will setup a basic website using Ajenti V from the Ajenti control panel and create an email account on your website's domain.

CoreOS is an extremely powerful operating system focused on cluster management, security, and containerized service deployments. However, the unconventional way that the system is set up can make troubleshooting some...

SSH is the primary way of connecting to remote Linux servers. Securing this channel is essential to maintaining a secure infrastructure. Kryptonite is a secure solution to protecting your SSH private key. In this guid...

RainLoop is a free email client that can access any IMAP/SMTP emails, including Ajenti V's built-in email. It supports multiple accounts, social logins (log in with Twitter, Facebook, etc.), two factor authentication,...

Fleet is the cluster-wide service management component of CoreOS. In this guide, we will take an in-depth look at the unit files that define services for CoreOS. We will learn how to create flexible services that ta...

If you are planning to run a CoreOS cluster in a network environment outside of your control, you may be concerned that etcd communicates over plain HTTP. This guide describes enabling TLS/SSL security and a basic fir...

Ajenti is an open source, web-based control panel that can be used for a large variety of server management tasks. In this tutorial we will install a WordPress blog, using the tools Ajenti V provides.

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 ...

phpMyAdmin is a free, web-facing control panel that can access and edit MySQL databases hosted on your server. It integrates with all existing and future databases on your Ajenti server automatically. This tutorial wi...

The Docker Links feature enables a method of dynamically configuring network connections between containers, known as the ambassador pattern. The ambassador pattern promotes service portability between provider and co...

This guide steps you through the new and improved Deis provisioning process using the Deis project's new tool called Rigger.

ReviewNinja can improve your team's code review process, and this article will show you how to quickly set up your own self-hosted instance of ReviewNinja on DigitalOcean using Docker and CoreOS.

In this guide, we'll be setting up Shipyard 2.0.10, a Docker management tool, on a single CoreOS server and securing Docker with a TLS certificate to ensure that only authorized clients may connect to it. TLS Stands f...

CloudSlang is an open source orchestration solution that makes it easy to automate processes using workflows, or flows for short. In this tutorial, we will clean up the Docker environment for each machine deployed in ...