TRAINING-WEBINAR

Build VM Images Using OneApps Toolset

May 28, 2025 @ 5 pm CEST – 11 am EDT

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OpenNebula Training

About this Training

Images are the backbone of any Virtual Machine. OpenNebula supplies vanilla OSes via the official Marketplace, but you might want to have a customized image with preinstalled software, OS-level tuning or any other adjustments. In order to achieve that you can leverage OneApps repository.

Agenda

What to expect from this training:

  • Going through the basics of OneApps.
  • Build a custom Image.
  • Run a VM from this Image.
  • A quick glimpse into an Appliance Building process.

Timings

The webinar is going to take 60 minutes + Q&A session.

Prerequisites

To avoid different possible inconsistencies and issues during the webinar we recommend to fulfill the following prerequisites before attending the webinar:

  • Bare metal host with installed miniONE and KVM software (Ubuntu 22.04 or 24.04 is desirable)
  • Cloned OneApps repository
  • Dependencies + Packer.io installed

wget 'https://github.com/OpenNebula/minione/releases/latest/download/minione'
sudo bash minione
git clone https://github.com/OpenNebula/one-apps.git
apt install ruby rpm make cloud-utils qemu-utils guestfs-tools wixl -y
gem install fpm
wget -O - https://apt.releases.hashicorp.com/gpg | sudo gpg --dearmor -o /usr/share/keyrings/hashicorp-archive-keyring.gpg
echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/hashicorp-archive-keyring.gpg] https://apt.releases.hashicorp.com $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/hashicorp.list
sudo apt update && sudo apt install packer

 Note that the facilitator is not going to engage in the debugging sessions.

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Acknowledgements

Initiative funded by the Spanish Ministry for Digital Transformation and Civil Service through the ONEnextgen Project: Next-Generation European Platform for the Datacenter-Cloud-Edge Continuum (UNICO IPCEI-2023-003) and co-funded by the European Union’s NextGenerationEU instrument through the Recovery and Resilience Facility (RRF).

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