This tutorial is part of the effort to deploy a complex business application on a docker swarm and is focused on deploying a swarm accessible secured private registry using letsencrypt certificates. The first step is to create the swarm, see Create and manage a Docker Swarm with Docker CE and register it to Docker Cloud… Read More »
After your environment grows and you add more and more servers at some point the need to have a simple visual monitoring of everything becomes vital. If you throw into this environment a container environment like docker than you have to monitor even more information. After creating a docker swarm see Create and manage a… Read More »
How to execute an arbitrary command on any docker container running in a docker swarm ? There is no way of directly executing a ‘docker exec’ on a container in the swarm. On a swarm we can define stack of services and directly only services are visible. The containers that run the actual service and… Read More »
All this talk about robots or A.I. taking our jobs starts to be funny. Same old story. So Bill Gates wants them darn robots getting taxed, really I was not expecting this from the guy who helped to probably replace the most number of people with computers. My opinion is summed by the following “urban… Read More »
The new Docker CE makes it easy to deploy and work with Docker Swarm. I will describe how to setup a test 4 node Docker Swarm that will be further used to host a test enterprise application (a post is going to follow with that). STEP 1: First some practical considerations A Docker Swarm is… Read More »
There is a new Docker version released in march see Docker: New Docker release. There are some important changes, but the cool ones are in the experimental mode: – you no longer need docker-machine for lots of stuff – a new way to create Docker swarms – a new docker-compose, version 3 that supports automatic… Read More »
Fake news is a fact these days. You can win elections (see Trump) , you can invade neighbours (see Ukraine), you can crash a stock value or increase a stock value all aided by fake news. In an interesting article from Scientific American When the Big Lie Meets Big Data we see that the same… Read More »
A must read about how big data and artificial intelligence influences and will influence society. It is a series of articles in one feature article that tries to tackle the new big data revolution that is coming. I like how it touches the controversy of “big nudge” (influencing choise through the big data). This is… Read More »
In an early March announcement Docker changed the way new versions are released and also branched it to Docker Community Edition (CE), Docker Enterprise Edition (EE) and Docker Cloud. The new Docker EE has some additional features like Docker Datacenter providing integrated container management and security from development to production. That makes the Docker environment a… Read More »
This is an old video from 2015 when I was trying to cross the Atlantic (Frankfurt – Cancun) and my flight got an engine problem after just 2 hours in the flight. What you can see in the video is the plane dumping fuel so we can land. I think there was some strange smelling… Read More »