Kubernetes
Related articles
Rook with Ceph doesn't provision my Persistent Volume Claims!
Categories: DevOps & SRE | Tags: Kubernetes, PVC, Linux, Rook, Ubuntu, Ceph
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…
Sep 9, 2019
Users and RBAC authorizations in Kubernetes
Categories: Containers Orchestration, Data Governance | Tags: Authentication, Authorization, Cyber Security, Kubernetes, RBAC, SSL/TLS
Having your Kubernetes cluster up and running is just the start of your journey and you now need to operate. To secure its access, user identities must be declared along with authentication and…
Aug 7, 2019
Auto-scaling Druid with Kubernetes
Categories: Big Data, Business Intelligence, Containers Orchestration | Tags: EC2, Druid, Cloud, CNCF, Container Orchestration, Data Analytics, Helm, Kubernetes, Metrics, OLAP, Operation, Prometheus, Python
Apache Druid is an open-source analytics data store which could leverage the auto-scaling abilities of Kubernetes due to its distributed nature and its reliance on memory. I was inspired by the talk…
Jul 16, 2019
Google Cloud Summit Paris Notes
Categories: Events | Tags: AWS, Cloud, GCP, Kubernetes, Azure, On-premise
Google organized its yearly Summit edition 2019 in Paris on the 18th of June. This year’s event was the biggest yet in Paris, which reflect Google’s commitment to position itself in the French market…
Jun 26, 2019
Introduction to Cloudera Data Science Workbench
Categories: Data Science | Tags: Cloud, Cloudera, Docker, Git, Kubernetes, Machine Learning, Azure, Notebook, Tuning
Cloudera Data Science Workbench is a platform that allows Data Scientists to create, manage, run and schedule data science workflows from their browser. Thus it enables them to focus on their main…
Feb 28, 2019
Installing Kubernetes on CentOS 7
Categories: Containers Orchestration | Tags: CentOS, cgroups, CNCF, DevOps, Docker, Infrastructure, Kubernetes, Namespaces, Red Hat, VM, Ceph
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. This article is based on my talk from the…
Jan 29, 2019
LXD: The Missing Piece
Categories: Containers Orchestration | Tags: CPU, Docker, Kubernetes, Linux, LXD, VM
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…
Dec 28, 2018
Monitoring a production Hadoop cluster with Kubernetes
Categories: DevOps & SRE | Tags: Knox, Thrift, Docker, Elasticsearch, Graphana, Kubernetes, Node.js, Prometheus, Python, Shinken, Hadoop
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…
Dec 21, 2018
Microsoft introduces Cloud Native Application Bundles
Categories: Containers Orchestration | Tags: CLI, Docker, Helm, Kubernetes, Packaging
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…
Dec 4, 2018
Apache Flink: past, present and future
Categories: Data Engineering | Tags: Flink, Batch processing, Consistency, Kubernetes, Ledger, Machine Learning, Micro Services, Pipeline, Streaming, SQL
Apache Flink is a little gem which deserves a lot more attention. Let’s dive into Flink’s past, its current state and the future it is heading to by following the keynotes and presentations at Flink…
Nov 5, 2018
One week to discuss technology in a Moroccan riad
Categories: Adaltas Summit 2018, Learning | Tags: Flink, Knox, CDSW, Deep Learning, Gatsby, Kubernetes, Node.js, React.js, Hadoop
Adaltas organise the year its first conference between the 22 and 26 of October. On the agenda of these 5 days of conference: discuss technology in one of the most beautiful riad of Marrakech. Mix the…
By David WORMS
Oct 11, 2018
Lando: Deep Learning used to summarize conversations
Categories: Data Science, Learning | Tags: Deep Learning, Kubernetes, Micro Services, Node.js, Open API, Neural Network
Lando is an application to summarize conversations using Speech To Text to translate the written record of a meeting into text and Deep Learning technics to summarize contents. It allows users to…
By Yliess HATI
Sep 18, 2018
TensorFlow on Spark 2.3: The Best of Both Worlds
Categories: Data Science, DataWorks Summit 2018 | Tags: Mesos, Spark, YARN, C++, CPU, GPU, JavaScript, Keras, Kubernetes, Machine Learning, Python, TensorFlow, Tuning
The integration of TensorFlow With Spark has a lot of potential and creates new opportunities. This article is based on a conference seen at the DataWorks Summit 2018 in Berlin. It was about the new…
By Yliess HATI
May 29, 2018
What's new in Apache Spark 2.3?
Categories: Data Engineering, DataWorks Summit 2018 | Tags: Arrow, ORC, Spark, Spark MLlib, PySpark, Docker, Kubernetes, Streaming, Tuning, pandas
Let’s dive into the new features offered by the 2.3 distribution of Apache Spark. This article is a composition of the following talks seen at the DataWorks Summit 2018 and additional research: Apache…
May 23, 2018
Notes after Katacoda Training on Kubernetes Container Orchestration
Categories: Containers Orchestration, Learning | Tags: Helm, Ingress, Kubeadm, Kubernetes, CNI, Micro Services, Minikube, SSL/TLS, YAML
A few weeks ago, I dedicated two days to follow the turorials available on Katacoda, the interactive learning platform for Kubernetes or any other container orchestration platform. I’m sharing my…
By David WORMS
Dec 14, 2017
Micro Services
Categories: Cloud Computing, Containers Orchestration, Open Source Summit Europe 2017 | Tags: Mesos, CNCF, DNS, Encryption, GRPC, Istio, Kubernetes, Linkerd, Micro Services, MITM, Proxy, Service Mesh, SSL/TLS, SPOF
Back in the days, applications were monolithic and we could use an IP address to access a service. With virtual machines (VM), multiple hosts started to appear on the same machine with multiple apps…
By David WORMS
Nov 14, 2017
Kubernetes Storage Primitives for Stateful Workloads
Categories: Cloud Computing, Containers Orchestration, Open Source Summit Europe 2017 | Tags: Docker, Kubernetes, Container Storage Interface (CSI), PVC, Azure, Storage, GCE
This article is based on the presentation “Introduction to Kubernetes Storage Primitives for Stateful Workloads”from the OSS Convention Prague 2017 by the {Code} team. So, let’s start, what is…
Oct 28, 2017
Kubernetes 1.8
Categories: Containers Orchestration, Open Source Summit Europe 2017 | Tags: containerd, Kubernetes, CRD, Network, OCI, RBAC, Release and features
The 1.8 release of Kubernetes brings a lot of new things. With 2500+ pull request, 2000+ commits, 400+ commiters, Kubernetes added 39 new features in this version. This is the richest release in terms…
Oct 24, 2017