UNIX What is the umask? The umask, is one of those UNIX fundamentals that can feel mysterious. Most of us eventually wind up with a vague notion of how it influences the permissions of new files and directories, but how exactly does it work?
DevOps Using SCP With CircleCI Build Containers CircleCI provides SSH access to build environment containers but, unfortunately, breaks SCP. Here is a solution.
TechOps Installing a New Release of Debian From a Running System Somewhere between a traditional OS install and building a root filesystem for a container
Docker The Docker Networking Model - L1 + L2 Exploring Docker container networking: the virtualized physical and data link layers
DevOps A Flexible Reverse Proxy Server A flexible design for proxying connections to public endpoints back to your workstation
TechOps What to do with .PINK? Building a site-wide easter egg with CSS injection and the infrastructure to glue it all together
Clojure Table Gender Seating Probabilities The other morning a friend remarked observing meeting attendees self-sorting on sides of a conference table, and wondered if it was just random chance
A beginning is a very delicate time... You are standing in an open field on the west side of a white house with a boarded front door
