systemreboot – blog

Live hacking a guile web server

Feb 27, 2023

How to live hack a guile web server on the REPL

Tags: lisp, scheme, software

Simran and SPQR

Feb 23, 2023

In the 1999 Thulladha Manamum Thullum Tamil movie, Simran appears in front of SPQR and the Roman eagle.

Tags: cinema, tamilcinema

Deploy scripts using G-expressions

Jan 2, 2023

Deploy scripts using Guix G-expressions. Why? How?

Tags: lisp, scheme, guix, software

Renting in London with Guile

Dec 18, 2022

Finding the right place to rent in London using a Guile script. Who said Guile is not useful for practical stuff!

Tags: London, lisp, scheme, software

Monospace font in Tamil locale

Sep 17, 2022

Monospace fonts are not displayed correctly in a Tamil locale. How do you fix this?

Tags: tamil

Netherlands trip

Jul 10, 2020

I travelled to Amsterdam in November 2019. This was my first and so far the only trip to Europe. I got to meet fellow free software contributors from Europe, and was also deeply impressed by Europe in general. Here is an account.

Tags: travel, amsterdam, europe

Trek to Hutridurga

Nov 22, 2017

Last Sunday, I went on a trek to Hutridurga – my first with the Bangalore Trekking Club (BTC).

Tags: trekking, travel

FIST Camp 2017 Tiruchi – Observations

Aug 23, 2017

I attended the free software camp organized by

Tags: freesoftware, fsftn, tiruchi

Polynomial Interpolation (Lagrange Interpolation) with Vandermonde Matrix – Matlab / GNU Octave Code

May 16, 2017

A quick but ill-conditioned way to compute a Lagrange polynomial interpolation…

Tags: math, matlab, octave

Announcing exiftool.el

Mar 2, 2017

This is to announce the release of exiftool.el, an emacs lisp wrapper around ExifTool. ExifTool is a command line application supporting reading and writing metadata in various formats including EXIF, XMP and IPTC.

Tags: software, project, freesoftware

Finding a puncture without water on the road

Dec 7, 2016

When you are out on the road and don't have access to water, you can identify punctures by putting them on sandy ground and look for the dust being blown away by the air leaking out.

Tags: cycling

Black body energy as a sum of photon oscillator energies

Nov 1, 2016

This is a graph I made for contributing to Wikipedia. It shows the energy of a black body as the sum of energies from oscillators with 1 photon, 2 photons, 3 photons, etc.

Tags: physics, gnuplot, software

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