Magento test/dev machine

Let’s say I have a running Magento installation up and running. I need to install new modules. I’m affraid thtat something blows up the installation and might not be able to roll back efectively due to lack of experience. What would be a good solution. Is it feasible/logical to have an installation cloned to another machine and perform there the installation ?

submitted by /u/Unimegistus
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