--- page_title: "Provisioning" sidebar_current: "provisioning" --- # Provisioning Provisioners in Vagrant allow you to automatically install software, alter configurations, and more on the machine as part of the `vagrant up` process. This is useful since [boxes](/v2/boxes.html) typically aren't built _perfectly_ for your use case. Of course, if you want to just use `vagrant ssh` and install the software by hand, that works. But by using the provisioning systems built-in to Vagrant, it automates the process so that it is repeatable. Most importantly, it requires no human interaction, so you can `vagrant destroy` and `vagrant up` and have a fully ready-to-go work environment with a single command. Powerful. Vagrant gives you multiple options for provisioning the machine, from simple shell scripts to more complex, industry-standard configuration management systems. If you've never used a configuration management system before, it is recommended you start with basic [shell scripts](/v2/provisioning/shell.html) for provisioning. You can find the full list of built-in provisioners and usage of these provisioners in the navigational area to the left. ## When Provisioning Happens Provisioning happens at certain points during the lifetime of your Vagrant environment: * On the first `vagrant up` that creates the environment, provisioning is run. If the environment was already created and the up is just resuming a machine or booting it up, they won't run unless the `--provision` flag is explicitly provided. * When `vagrant provision` is used on a running environment. * When `vagrant reload --provision` is called. The `--provision` flag must be present to force provisioning. You can also bring up your environment and explicitly _not_ run provisioners by specifying `--no-provision`.