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>")}'