# Warm Up

[Offensive Security Proving Grounds (PG) ](https://www.offensive-security.com/labs/)are a modern network for practicing penetration testing skills on exploitable, real-world vectors.

| Machine                                                                        | OS      | Description                                          |
| ------------------------------------------------------------------------------ | ------- | ---------------------------------------------------- |
| [Pebbles](https://pentesting.zeyu2001.com/proving-grounds/warm-up/pebbles)     | Linux   | Not your average pebble in a pond - a pretty pebble. |
| [Twiggy](https://pentesting.zeyu2001.com/proving-grounds/warm-up/twiggy)       | Linux   | An easy machine, but a tad sneaky.                   |
| [Bratarina](https://pentesting.zeyu2001.com/proving-grounds/warm-up/bratarina) | Linux   | Bratarina is not the nicest lady in town.            |
| [Internal](https://pentesting.zeyu2001.com/proving-grounds/warm-up/internal)   | Windows | Quick and simple way to learn the Brazilian dance.   |
| [ClamAV](https://pentesting.zeyu2001.com/proving-grounds/warm-up/clamav)       | Linux   | Retired exam machine to help you prepare.            |