As an educator, I'm always looking for ways to ensure my students understand and retain the material covered in each class session. Recently, I created a simple web application called Are You Following?, which has proven to be a valuable tool in achieving this goal. If you're interested in using Are You Following? in your …
Continue reading Are You Following?: A Simple yet Effective Tool for Classroom Recap
Happy New Year, future self! It looks like just yesterday when I wrote my last blog post, but the reality is that one year has passed by – it's been a busy year indeed! At this point, I can confirm that building a new course environment during my Christmas break has become a tradition 🙂. …
Continue reading It’s 2025 and OSBDET 2025 Release 1 is out! 😅
Happy New Year future self! The start of this post rings a bell 🙂 it looks like building a new course environment during the Christmas break is becoming a tradition; here I am with the new one I'd like to use in the new intakes starting this year 2024 we're kicking off. I'm very excited …
Continue reading It’s 2024 and OSBDET 2024 Release 1 is out!
Hi there, I'm stopping by to share a quick recipe to fix the Kafka service some of the OSBDET users are having. Kudos to Gustavo Martín for realizing and reporting this issue which let me work on it and avoid any impact on my students 🙂 From a terminal window from the Jupyter Notebook in …
Hello hello, myself Two blog posts in one month, unbelievable! I managed to bring new content thanks to my very great students who will share a top notch group assignment they worked on recently. Javier Nieves, Dareen Shaheen, Mohamad Rizk, Amanda Moles, Ian Zaqueu and Connie Kim, students of the part-time Master I've been delivering …
Continue reading INVESTie, the crypto trading service leveraging Big Data technologies
Happy New Year future self! I hope this year is a bit better than the last 3 years we've had lately; I always like to embrace the future with positivism and energy, and I cannot think of a better way to do so than spending some time on OSBDET and coming up with a new …
Continue reading It’s 2023 and OSBDET 2023 Release 1 is out!
Hey Raúl, It's been a while since the last time you stopped by... June 4th 2021 to be precise! A lot of things have happened since then and, among other things I should have posted about, this one deserves special attention as it is memorable and it deserves to be remembered and shared with the …
Continue reading A2B fly with me, Graph Processing at scale with Spark GraphFrames
Dear Raúl, It's been a while since the last time you stopped by this blog; hectic times lately but no worries, all good 🙂 This time two of your top students, Michelle Michalovski and Göktuğ Aşcı, helped you with this topic that seems to be hot in your classes for the last months given that …
Continue reading Big Data frameworks on an Apple M1/Silicon for educational purposes
Hi there, I did it! I was able to get insights from NetFlow traffic with Splunk long before my retirement. Thanks for that Raúl! Now, imagine you want some help to quickly get value from your Netflow data at Splunk and you want not only to be able to play with real time data but …
Hey there, Network stuff is what's bringing me here again and very excited of everything I've accomplished so far, because it's been a while since the last time I had to deal with networking things at such low level. Here is the point: You are a network guy with plenty of network devices and a …
Continue reading NetFlow traffic ingestion with Splunk Stream and an Independent Stream Forwarder
Dear future self 