Ceph installation inside Kubernetes can be provisionned using Rook. Currently doing an internship at Adaltas, I was in charge of participating in the setup of a Kubernetes (k8s) cluster. To avoid breaking anything on our production cluster, we decided to experiment the installation of a k8s cluster on 3 virtual machines (one master node n1, [...]
This article explains how to install a Kubernetes cluster. I will dive into what each step does so you can build a thorough understanding of what is going on. […]
LXD stands for Linux Container Daemon. Yet another container technology. But LXD is very different. It stands apart from the pack. It is not necessarily better nor much faster nor more secure! But it resolves an issue that other containers doesn't. Many of us moved too fast from traditional Virtual Machines to Application containers because [...]
Monitoring a production grade Hadoop cluster is a real challenge and needs to be constantly evolving. The software we use today is based on Nagios. Very efficient when it comes to the simplest surveillance, it is not able to meet the need for a more complex verification. In this article, we will propose an architecture [...]
At DockerCon EU 2018 in Barcelona, Matt Butcher, Principal Engineer at Microsoft and inventor of Helm, introduced CNAB, Cloud Native Application Bundles, a packaging format for distributed applications, along with Duffle, a CLI tool to run these bundles. […]
Introducing Jumbo, a Hadoop cluster bootstrapper for developers. […]
Vagrant supports different providers to manage virtualization. In a Linux environment, you can dramatically improve VM performance by using the libvirt provider and the KVM hypervisor. […]
Following CoreOS’s instructions on how to set up a development environment in VirtualBox did not work out well for me. Here are the steps I followed to get Container Linux up and running with Vagrant. […]
Creating a Data Lake requires rigor and experience. Here are some good practices around data ingestion both for batch and stream architectures that we recommend and implement with our customers. […]
As infrastructure engineers at Adaltas, we deploy Hadoop clusters. A lot of them. Let’s see how to automate this process with REST requests. […]
