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: #Docker: Create and manage a Docker Swarm with Docker CE… »
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: #Docker: Install the new Docker CE in experimental mode on… »
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: #Fakenews : is #Matrix already born ? »
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: Blog Links: Scientific American “Will Democracy Survive Big Data and… »
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: Docker: New Docker release »
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: Technology fail: When your plane has an engine problem »
Having a lot of issues with the blog, especially with the page load time got me thinking that I need to do a change. There are several articles on the internet on how to speed up your WordPress blog. Here is my take on it. STEP 1: Find a good host. Very important to have… Read More: Speed up a wordpress site »
I tried to pay some bills at my bank ATM and this was the message that was displayed on the ATM: Hard to pay the bills when the ATM is shutting down 🙂 And yes is a Windows XP, the best Windows up to date 🙂 Banks know their safe technology. [paypal_donation_button]
Google puts another nail in the coffin for SHA-1. They already moved from using SHA-1 on their products but there are still a lot of places where is used by default. In a post on the Google Online Security Blog Announcing the first SHA1 collision Google researchers claim that they have a good way of… Read More: Blog Links: SHA-1 cryptographic hash collision detection by Google »
There is an interesting case of failing technology due to an unimplemented feature. See the following mail list thread for the original post. Basically if you deploy DRBD and one of the endpoints is a vmware virtual machine: – when trying to mount a newly created etx4 file-system over the LVM from the drbd device… Read More: #DRBD: Creating an ext4 over LVM then mount results in… »