2022-01-09

Getting Erlang's observer working on Alpine Linux

A quick how to guide to get Erlang's observer correctly running on Alpine Linux via ssh X11 forwarding.

2021-12-18

Rethinking number formatting

How does one design API for number formatting in an understandable way? Because sprintf() isn't it.

2021-12-10

How to call renameat2 syscall in Ruby

Short post about the fascinating journey to discover how to call renameat2 syscall in Ruby in a somewhat portable way... and why one might want to do such a thing.

2021-11-23

Controlling fan speed the right way

I'm exploring some of the ways to control fan speed on Linux, notably including the (IMO) right one.

2021-11-21

Loadtesting EdgeRouter 4 in more depth

Based on reader feedback, I take a slightly deeper look at ER4 loadtest. Namely, how do flow-lifetime and table-size influence the imix loadtest.