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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Java on Port 443

I’ve been working on setting up a Java based SAML provider. This means that the application needs to handle request and response over HTTPS. And, since often this is deployed in data centers where non-standard ports are blocked, it means that the HTTPS really needs to be supported on the proper port, which is 443. Here are the range of options.
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Running GUI Applications in a container with SELinux

As I work more and more with containers, I find myself wanting to make more use of them to segregate running third party apps. Taking the lead of Jessie Frazelle I figured I would try to run the Minecraft client in a Container on Fedora 25. As expected, it was a learning experience, but I got it. Here’s the summary:
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