Big Data

I am once again trying to write my blog on solutions architecture and the GDPR. I looked up “Data Lake” again and came across some very good resources in a You Tube channel from Intricity.

This summarises the design bifurcation between distributed data sources and unified query logic. It’s five years old. He or his teachers got there first i.e. before me.

I also had a quick look at “Born in the Cloud”, and “Why Hadoop is dying!”

All very insightful. Continue reading “Big Data”

Raspian & APT

I had big problems with APT, (the advanced packaging tool) updating Jessie to Jessie last, and then taking it onto Stretch on my Raspberry Pi. I must have needed to download and update over 2000 packages.  Some of this is documented in Raspberry PI Part Deux but I have created this snip to make it easier for others to find in order to help those that follow me. I found that an apt transaction would either hang, or cause the machine to reboot. I have not found a compelling solution but I have now completed the exercise. Here are my notes. …  Continue reading “Raspian & APT”