Archive for 2021



Apr 13 2021

Make Ansible 6X Faster with these 3 Tips

Published by under Ansible

Speed up Ansible with 3 easy tweaks and more

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Apr 01 2021

Build Ansible Inventory from IBM Cloud Resources

Published by under Ansible,Python

IBM Cloud relies on Softlayer API – also called IBM Classic Infrastructure – to automate things. The API is available in different languages such as Python, Go, Java or PHP. Here I will generate automatically a host inventory collected on my IBM Cloud account directly usable by Ansible. I will also generate datacenters groups. You […]

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Mar 25 2021

Free Gantt style Timelines Based on Time/Hours with Sparkline

Published by under Misc

I wanted to show the timeline of a disaster recovery plan on a Gantt style chart to make it look better than a boring list of tasks with start and end times, but I couldn’t find any tool dealing with hours throughout a single day/24 hours. Gantt software also offer too many features that I […]

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Mar 14 2021

Draw Beautiful Diagrams with Diagram as Code

Published by under Python

Diagram as Code is a hot topic these days that brings a lof of benefits. Among them:– Keep track of changes, who and what– Store on a repository as simple text– No need to realign arrows or move things around when you add an item– Much faster as a consequence once you have the knowledge– […]

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Mar 06 2021

Why Ansible Upgrades Packages on Hold and How to Fix it

Published by under Ansible

I was writing a new Ansible role to upgrade all of my VMs. I was still using an old Rancher that only works with docker-ce package up to version 18.06. A first task holds back the package with Ansible Dpkg module, as recommended on many websites.A second step runs a full upgrade of my system […]

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