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CentOS 8 Stream on your favorite cloud provider

The cloud-init script I've been using to convert CentOS 8 systems to CentOS Stream.

vim + GNU Guile development environment

After spending hours collecting various bits and pieces, I finally have a setup that feel very close to an integrated development environment for Guile programming. While Guile fell on the sideline since I originally shared this setup, with minor tweaks, it continues to work nicely with other Schemes.

Faster Ansible playbook iteration with tags and Vagrant snapshots

Playbooks, which are generally slow to run, become a pain point and distruptive when they are written and tested. Tagged tasks, and VM snapshots, are the only approach that made the feedback loop less of a chore.

LVM snapshots

While the Linux ecosystem has largely moved over to btrfs and zfs for their snapshotting needs. LVM is another - operationally simpler - option that one can use to snapshot live systems.

Programming Arduino Uno (ATmega386P) in assembly

Building on top of disparate online sources, a tutorial that illustrates how the Arduino Uno can be programmed using the assembly language.

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