[Week 5] Make your configuration management scripts idempotent #34
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DevOpps/minitwit#34
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Make sure that all configuration management code is idempotent, i.e., it can be run repeatedly without undesired side-effects leaving your systems in undesired states.
Optionally, if you consider that configuration management tools like Ansible, Chef, Puppet, etc. are more suitable than plain shell scripts, migrate your configuration management code to one of these. In the following, you find a list of potential alternative configuration management tools: