IT

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Xodus

A while ago I left X as a user (the website formerly known as Twitter). I assume out of the same set of reasons why most people I know left Twitter. I really...

The joy of solving performance problems - Part 1

It took me some more time to have this first part ready, because I revised it quite a lot and in the recent evenings I didn't want to spend the necessary time...

The joy of finding performance problems - A foreword

# A journey Many interesting journeys start with a first step. There are lessons in them and no matter how much you have seen in the past, you always learn new...

Visualize

"The Matrix" ruined it a little bit for all of us. Outsiders have sometimes the impression that admins can find errors on their servers just by staring at the...

Zebras, anchors, bottlenecks and link aggregation

Diagnosing problems with computers has a lot to do with diagnosing illnesses (that's the reason why I'm working on an article about patching and vaccination...

Rest in peace, Joerg Schilling

Just saw the notification that Joerg Schilling, the creator of the cdrtools and Schillix (and many other tools), passed away this Sunday. He was one of the...