Month: June 2021

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Monitoring an Internet Connection using Python

When RaspberryPi 3+ first came out after playing with sensors and an Arduino Uno board for a while, I used it for monitoring wireless and internet connections in different premises. Thanks to the compact size and the low power needed it was the best tool.  I thought it would be interesting to know how consistent the available bandwidth was during the day and eventually know if there were some unnoticed outages happening.

During these years I’ve used similar utilities, but I decided to write and share with you a simpler script that could be implemented quickly and help you to achieve similar results regardless that you run it inside a docker container, virtual machine or raspberry pi.

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The Practice of the Cloud System Administration – Book review

It all started with “Time Management for System Administrator” by Tom Limoncelli, and then I read “The Practice of System and Network Administrator“. Then I read “The Practice of Cloud System Administrator” which are chronologically ordered and marked as Volume 1 and Volume 2, which both were written by Limoncelli, Hogan, and Chalup.

I’m also a musician and as an analogy, I think that good books are like good records. Good books pass the test of time and they inspire your way of thinking or approach to a specific subject. This book is for me an excellent record to put on the turntable when needed, even just to be inspired.

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How to show all known Wi-Fi network SSIDs and Passphrases with Powershell

I think is very important to remember how much information is stored on our laptops over the years, this is the case also for all wireless networks with (SSID and Passphrase) that our OS stores and use to connect automatically.

Retrieving this information can be performed either via the GUI or CLI, but I was never happy with the way the information was presented. Continue reading “How to show all known Wi-Fi network SSIDs and Passphrases with Powershell”