Welcome!

This is a place for errata broadly related to personal and professional interests.

Check out some specific pages like quotes and map of active tropical cyclones.

If it can be destroyed by the truth, it deserves to be destroyed by the truth.


“Always take sides. Neutrality helps the oppressor, never the victim. Silence encourages the tormentor never the tormented."


“I am so tired of waiting. Aren't you, for the world to become good and beautiful and kind? Let us take a knife and cut the world in two-- and see what worms are eating at the rind."


Recent Posts

13 Jan 2021

Singularity From Local Docker Image

One of the powerful features of Singularity is the ability to create Singularity images from Docker images, pulling directly from public or otherwise accessible Docker repositories. There are also some un- or minimally- documented ways to extend Singularity’s impressive capacity, like converting local Docker images that may not be available in a proper Docker image repo.

To convert a local image without fetching from a remote repository you can use docker-daemon in the protocol as found here.

18 Nov 2020

Autumn Leaves Are Free Money

‘Leaves build soil, conserve water and best of all, control weeds. By using leaves as your compost and mulch you are restoring nutrients to the soil that leaves used in order to grow…They’re like a bank account that never runs dry.’

17 Nov 2020

Overlooked Tools: task-spooler

Sometimes sophisticated job queue and cluster systems are overkill on office or individual PCs, especially for long lists of batch processing jobs that use comparatively few resources.

Use task-spooler to queue commands on Linux and control the number of simultaneous jobs for an easy way to parallelize a list of batch jobs! This tool is a great complement to some other command line workhorses like at and batch.

Task-spooler is not usually installed by default on Linux systems. It can be built by scratch after getting the source from https://vicerveza.homeunix.net/~viric/soft/ts/ or on Ubuntu (maybe other Debian based OS’s) you can use apt: