# 2. Server structure components

The followings are necessary software for activating XooNIps.

| OS         | Not specified                                     |
| ---------- | ------------------------------------------------- |
| Web server | Apache 2.0 or later versions                      |
| Database   | MySQL 5.1 or later (Must be applicable to InnoDB) |
| PHP        | PHP 5.5 or later                                  |
| XOOPS      | XOOPS 2.5.8+                                      |