Authentication on Kubernetes, the easy way
service account / x509 certificate and kubeconfig. Deep dive into the common technics to authenticate someone / something on kubernetes
Kubernetes make a distinction between authentication and authorisation. This post focus on the authentication mechanism, authorisation which is done via Role, RoleBinding, ClusterRole and ClusterRoleBinding is a topic for another day. Kubectl is a convenience layer that speak to the API server. You can see those query being made with a verbose flag in kubectl. For instance: # kubectl get namespaces -v=6 -n default I0624 17:26:18.599399 39157 loader.go:375] Config loaded from file: /home/mickael/.kube/config I0624 17:26:19.575659 39157 round_trippers.go:443] GET https://116.203.202.210:6443/api/v1/namespaces?limit=500 200 OK in 966 milliseconds NAME STATUS AGE cert-manager Active 18d default Active 18d ... As you can see, kubectl use our kubeconfig file securely authenticate us to the API server. Without authentication, the api server refuse to do anything: # curl -I --insecure https://116.203.202.210:6443/api/v1/namespaces?limit=500 HTTP/2 403 cache-control: no-cache, private content-type: application/json x-content-type-options: nosniff content-length: 320 date: Wed, 24 Jun 2020 07:29:48 GMT Our query comes back with a 403 HTTP...
Installing kubernetes on bare metal, the easy way
From nothing all the way up to an application running in your cluster with SSL and all
The Best Online Web Client For Ftp And S3
Showcasing a few web clients I just shipped to be use with FTP and AWS S3
Ldap Users On Linux
users pulled from LDAP on an SSH machine
How To Send Messages To An Irc Channel Using Php
IRC is still cool, so let’s build a bot
Getting started with self hosting - episode 4
Setup an application on your server
Getting started with self hosting - episode 3
Setting up our server correctly
Getting started with self hosting - episode 2
Creating your own cloud, look at the infrastructure
Getting started with selfhosting - episode 1
Beginning of our journey to self host applications on your own cloud
Pacman cheat sheet for apt-get people
Side to side syntax of pacman compared to ubuntu
Release of Integrapptor v1.0.0
A desktop app to integrate all your web apps together
A log infra with Couchdb
We’ll cover the implementation, query and reporting aspect
Emacs Tutorial Series - episode 5
Deep dive into emacs: let’s unleash the power
Emacs Tutorial Series - episode 4
Look at a few interesting features that comes by default
Emacs Tutorial Series - episode 3
Emacs builtin features
Emacs Tutorial Series - episode 3
Emacs builtin features
Emacs Tutorial Series - episode 2
Getting started with org mode
Emacs Tutorial Series - episode 1
Getting started with emacs: the basics
Emacs Tutorial Series - episode 0
The learning path
Linux Tooling You Should Really Know About
4 great cli tools you should know about: tmux, tig, htop, emacs
A guide to compile your stuff
Because not everyone know how to do it
An Opinionated Skeleton For Starting A Website
A HTML/CSS skeleton to quickly get started with your project
Concurrency In Clojure
Getting started with Core.Async, Var, Atom, Agents & Refs
Free Ssl Certificate
Install once and don’t ever think about updating your ssl certificate. A step by step guide
Gitlab Omnibus Maintenance Process
Maintenance process for gitlab/mattermost
Manipulate Geo Spatial Data
Quick dive in geospatial data and the technologiies around
Mongo Cheat Sheet
Basic cheat sheet for mongo
Location Using The Ip
How to get a guess on where your visitor come from using his IP address
Walkthrough Dbpedia And Triplestore
walk through the semantic web using a snorkel Snorql and Triplestore technologies
A Better Model With Falcor
The idea behing an async model
Linux Cheat Sheet
A list of usefull commands
Prince2
Ressources to prepare for the exam
Angular2 Coming From Angular1
This post will simply give some lessons I learned along the way by working with Angular2.
Rxjs Snippets
Introducing subscribe, from, of, flatMap, map, filter, mergeAll in a few short example
Install Mattermost On Ubuntu
Step by step guide to install an open source alternative to Slack
Guides To Xyz
Build webpack: guide, doc
End To End Testing Setup On A Server
Let’s setup a proper environment allowing testing against real browser in a real server without graphical interface
Docker Cheat Sheet
Manage the lifecycle or your containers and images using docker
Default Location
Let’s make things easier to find on ubuntu
Ssh Tricks
generate keys, create and configure a tunnel
Password Management
An application to store your password securely using Keepass
Lets Encrypt A Free Ssl Certificate That Can Renew Automatically
This post was not upto date and a new version was made available here
First Things First On A Linux Box
Up and running in a sec
Database Cheat Sheet
Mysql, Postgres reminder