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Inside these pages you will find a collection of my personal ramblings (including security disclosures, my thoughts on various topics, and anything else that I feel like writing about). All of the opinions stated here are solely my own, and are released under the Creative Commons BY-SA 4.0 license.
- umoci: a New Tool for OCI Images Aleksa Sarai, 29 November 2016.
Very recently, I've been working on implementing the required tooling for creating and modifying Open Container Initiative images without needing any external components. The tool I've written is called
umociand is probably one of the more exciting things I've worked on in the past couple of months. In particular, the applications of
umociwhen it comes to SUSE tooling like the Open Build Service or KIWI is what really makes it exciting.
- Debugging why ping was Broken in Docker Images Aleksa Sarai, 04 March 2016.
All complicated bugs start with the simplest of observations. I recently was assigned a bug on our openSUSE Docker images complaining that
pingdidn't work. After a couple of days of debugging, I was taken into a deep and dark world where ancient Unix concepts, esoteric filesystem features and new kernel privilege models culminate to produce this bug. Strap yourself in, this is going to be a fun ride.