AIDE is widely used to verify the integrity of the system/configuration files.
What AIDE basically does is take a "snapshot" of the state of the system, register hashes,
modification times and other data regarding the files defined by the administrator.
This "snapshot" is used to build a database that is saved and (usually) stored in an external
device.
In this article I will describe how to configure and use AIDE on a RedHat system....