Category Archives: Clustering

Using Ansible to manage your VPSs – Part One

Ansible is a system to automate the updating of server configurations and other administration tasks.  In this post I'll explain what's necessary to get started with Ansible, creating a configuration structure, telling Ansble about your hosts and running ad-hock commands … Continue reading

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Kubernetes support on RimuHosting VMs

"Kubernetes is an open source orchestration system for Docker containers. It handles scheduling onto nodes in a compute cluster and actively manages workloads to ensure that their state matches the users declared intentions. Using the concepts of "labels" and "pods", … Continue reading

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Building database clusters with MySQL

MySQL is a mainstay of many web based applications, and is popular with lots of our customers. There does comes a time when a single database server is not enough. To enhance redundancy MySQL has a couple of options. You … Continue reading

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Storage Clustering Part 2: GlusterFS

GlusterFS is an interesting solution for providing redundant network attached storage clusters. Some features include... trivially easy for basic setups supports virtually any file-system no need to mess with kernels can work across commodity network hardware suitable for enterprise deployment … Continue reading

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Easy IP failover (Debian squeeze)

Say you have a bunch of servers on a fast private network, running a busy web site. And you need a gateway server so you can reach those from the outside world. You might run a proxy on a gateway … Continue reading

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Storage Clustering Part 1: An Introduction

John and I have recently been looking at server clusters, and how they can be provisioned to best fit our customers needs. This post is the first in (hopefully) a series on the results of that research. To start with … Continue reading

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