I am running Percona Monitoring and Managent (“PMM”) as a service for my fellow colleagues so they can monitor their databases.

PMM runs as a container on a virtual machine, listening on port 8080.

On the same virtual machine runs another nginx webserver as a reverse proxy for the container …

I host my private servers at Hetzner, a really nice, reliable and cheap german webhoster.

Previously I managed my DNS zones with Route 53 from Amazon. There I paid 50 cents per zone per month. I have multiple zones so this adds up at the end of the year.

Then …

Today I wanted to take the text of a Confluence page and convert it to Markdown.

Getting the text was rather easy (after some duckduckgoing): Confluence provides a REST-API that returns among other things the content of pages in json. Here’s the curl-command to do this:

curl "https …

Suppose you run a database as a service (DBaaS) for example in Azure. You have automated backups configured in case something bad happens. However these backups do not save you against a accidental database deletion as the backups get deleted, too!

Then there’s the Open Telekom Cloud (OTC). The …

Using Ansible’s import_playbook module I was always under the impression that the module accepts no parameters and boldly stated so! However another commentor helpfully pointed out that I was wrong.

Here’s an example. The first playbook (importer_playbook.yml):

- import_playbook: imported-playbook.yml
  vars:
    foo: hunter2

… simply imports a second …