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

Simon Aronsson
17 March 2026

Building a dry-run mode for the OpenTelemetry Collector

Observability Article

Teams continuously deploy programmable telemetry pipelines to production, without having access to a dry-run mode. At the same time, most organizations lack staging environments that resemble production – especially with regards to observability and other platform-level services. Despite knowing the potential risks involved due to the lac ...

Canonical
16 March 2026

Canonical announces it will distribute NVIDIA DOCA-OFED in Ubuntu

AI Article

Today Canonical, the publishers of Ubuntu, announced that it will integrate and distribute the NVIDIA DOCA-OFED networking driver with Ubuntu. ...

Canonical
16 March 2026

Meet Canonical at NVIDIA GTC 2026

Ubuntu Article

Previewing at the event: NVIDIA CUDA support in Ubuntu 26.04 LTS, NVIDIA Vera Rubin NVL72 architecture support in Ubuntu 26.04 LTS, Canonical’s official Ubuntu image for NVIDIA Jetson Thor, upcoming support for NVIDIA DGX Station and NVIDIA DOCA-OFED, and NVIDIA RTX PRO 4500 support. NVIDIA GTC 2026 is here, bringing together the technolo ...