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How to combine group variables by parsing group configuration files

Group variables are overwritten, not merged, this is an expected behaviour, but can by circumvented by parsing group configuration files.

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How to store and visualize playbook events

Use JUnit callback plugin to store and Allure Framework to visualize ansible playbook events.

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How to ensure that OpenSSH client uses explicitly configured authentication identity

Ensure that OpenSSH client uses explicitly configured authentication identity even if authentication agent offers more identities.

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How to configure Vagrant to ignore SSL certificate

Configure Vagrant to ignore SSL certificate behind corporate proxy.

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How to alter JSON documents

Take advantage of the jq utility to edit messages formatted using JSON (JavaScript Object Notation).

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How to pretty print decimal or binary numbers

Use numfmt command-line utility which is a part of the standard GNU Core Utilities to pretty print decimal or binary numbers.

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How to create LXD instance from snapshot

Create LXD instance from a specific snapshot.

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How to change system hostname

Query and change the system hostname.

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How to install SmokePing

Keep track of network latency using SmokePing on Debian Buster.

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How to inspect RabbitMQ settings using command-line

Inspect RabbitMQ settings using command-line.