About Adam Young

Once upon a time I was an Army Officer, but that was long ago. Now I work as a Software Engineer. I climb rocks, play saxophone, and spend way too much time in front of a computer.

Package Management Domain Model

Many years ago, when I first started working at Red Hat, I worked up a package management domain model diagram. I’ve referred to it many times over the years, but have never posted or explained it in detail. Recently, discussions over image building software caused me to refer to it a few times. Here it is, with annotations below.

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Convert Docker Image Output to an HTML Table

#!/bin/sh
 
docker images | awk '
BEGIN {print ("<table>")};
/REPOSITORY/{
print("<tr><th>" $1,"</th><th>" $2,"</th><th>" $3,$4,"</th><th>" $5"</th><th>" $6"</th></tr>")}
/MB/{
print ("<tr><td>" $1,"</td><td>" $2,"</td><td>" $3,"</td><td>" $4,$5,$6 "</td><td> " $7,$8 "</td></tr>")}
END {print ("</table>")}'

Reading Linux groups via the Rust Foreign Function Interface

The world continues to embraces Rust for its safety properties. While writing utilities in Rust, we are going to have to work with existing code to perform common tasks. I recently needed to list the set of Linux groups registered on a system, and get access to the users assigned to each. Here’s my notes of what I learned.

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