' AND 1=1 --

 Much has been written about RAID 10 vs RAID 01, but most seem to gloss over why one is better than the other, or go into mathematical detai...

Over and over, the IT crowd at the places I have worked have insisted on virtualizing every server, and over and over, Elasticsearch falls o...

Recent versions of MacOS come with the hypervisor framework which makes virtualization possible.  Not necessarily easy, but possible.  Here ...

I've been experimenting a bit with APFS and its ability to create and clone sparse files. Let's get a baseline of how many 4k bloc...

From http://www.anites.com/2017/11/socat.html: on remote:   socat tcp-listen:8000,reuseaddr,fork \     file:/dev/ttyUSB0,nonblock,waitlo...

I'm running macOS Mojave, and using it to host virtual machines via xhyve.  There are some neat tricks one can use to conserve disk spac...

I may occasionally publish small notes on clever commands I learn about.  Putting it here helps me store knowledge that my shoddy personal d...