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 »
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 »
The EPRS (European Parliamentary Research Service) prepared an in-depth analysis of blockchain and published an interesting report. Take a look at the pdf: How blockchain technology could change our lives [paypal_donation_button]
This is an interesting API to process card payments from your web or Android applications BlueSnap API. I really like when gems like this start to be available. You can spin up your card processing side of the business in minutes. Another interesting german start-up is the The Open Bank Project. Their open source API… Read More »
This is the kind of tutorials I like to distribute. Building a vSphere 6.5 Home Lab The above is a very well written tutorial on how to deploy VSphere on a home lab system. In the tutorial they use an Intel NUC but a HP Microserver GEN8 is even better. Take a look and have… Read More »
Docker starts to look like a competitor to virtualization environments like VMWare VSphere deplyments. In the following knowledge base article Docker Reference Architecture: Docker Datacenter Best Practices and Design Considerations there is a very interesting presentation on how to migrate a datacenter to docker. Docker Datacenter (DDC) is the enterprise container platform from Docker to… Read More »
Another article in the main press (Harvard Business Review) about block-chain. The Truth About Blockchain. A real case presentation about the use case of block-chain technology in healthcare Distributed health 2016 – WarrenBrandeis Finally a nice list of main mistakes that are done when implementing in the real world block-chain technology Top 10 Mistakes in… Read More »
After much hype finally there is a government that implements something with blockchain technology. Georgia together with blockchain company Bitfury, as stated on Bitfury web site: The Republic of Georgia has partnered with The Bitfury Group to advance transparency by developing a system for registering land titles using the Blockchain for the National Agency of… Read More »
The best way to do simple video in Linux is using the command line. This way you can do quick one liner commands that do the job fast and clean. My favourite tool is ffmpeg. Install ffmpeg: If you do not have it already installed to install ffmpeg simply do (in Fedora): Install the rpmfusion… Read More »
This is post in continuation of Docker: Orchestrate multiple containers with docker-compose The same application environment is specified using the docker-compose V2 specification. This looks very similar but with a simplified syntax and some extra features. STEP 1: List the existing images # docker images REPOSITORY TAG IMAGE ID CREATED SIZE 10.0.0.245:5000/test_app.v7 flat 53ac9d27fbb3 5… Read More »