Vagelisfragkos.com - A computer scientist's lair

Geekie/techie guides and opinions all around tech

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Apart from IT (dev)ops stuff, I also am a fan of home automation. While juggling arounf several youtube and discord channels I learned about Proxmox VE. VE stands for virtualization environment. In Distrowatch.com, Proxmox is described as: Proxmox is a commercial company offering specialised products based on Debian GNU/Linux, notably Proxmox...
From the time that the world started to use containerized applications and especially from the time that Docker arrived, IT people wanted a means of orchestrating all them. Let's dive into Kubernetes from the beginning. Some history... From 1960 and early 1970s, the IT community wanted to find ways so as to share computer resources but in robust...
In the IT world, apart from strategic design, you have to get your hands dirty. Unfortunately it's not always easy to test everything at work, even if you have a staging environment. The best thing to do before testing on production is to test at home! VMware often comes to the rescue. Either you are on Windows , Linux on MAC, VMWare can be...
Node-red is flow based programming for Internet of Things. It's a very versatile development tool focused mainly on IoT. Because of the fact that it's like creating a puzzle, it is extremely user friendly. Apart from that, there are numerous addons and a great community. As you can see on github , Node-Red has a lot of contributors and numerous...