Skip to main content
  1. Blog
  2. Article

Jorge O. Castro
on 21 November 2014

Charm Workshop: Debugging Juju Hooks

In this charm school Charles Butler and Corey Johns go over the traditional way to debug Juju charm hooks, and Corey introduces his new Juju plugin, DHX, designed to make debugging hooks much easier.

Corey’s debug hook script, DHX, is available here: https://github.com/juju/plugins

Related posts

Miguel Divo
19 January 2026

Showcasing open design in action: Loughborough University design students explore open source projects

Design Article

Last year, we collaborated with two design student teams from Loughborough University in the UK. These students were challenged to work on open source project briefs. Team 1 focused on non-code contributions, while Team 2’s brief was to create a unified documentation experience, giving them a chance to apply their design skills to real-wo ...

Canonical
15 January 2026

Canonical Ubuntu and Ubuntu Pro now available on AWS European Sovereign Cloud

Ubuntu Article

Canonical announced it is a launch partner for the AWS European Sovereign Cloud, with Ubuntu and Ubuntu Pro now available. This new independent cloud for Europe enables organizations to run secure, enterprise workloads with full operational autonomy and EU data residency. By combining the performance and expanded security coverage of Ubun ...

Lidia Luna Puerta
14 January 2026

How to build DORA-ready infrastructure with verifiable provenance and reliable support

Ubuntu Article

DORA requires organizations to know what they run, where it came from, and how it’s maintained. Learn how to build infrastructure with verifiable provenance. ...