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How to install Aide

To install AIDE just issue the following command:

yum -y install aide

It installs aide but creates nothing until it is being instructed to do so.

How to setup Aide

Once aide is installed, the first step is to create a new database of the current system status, ideally this must be done just after OS installation is done. The rpm available on Bashlinux repository has done a configuration file that is located on /etc/aide.conf, and and only root can access it.

  • Initialize the database
aide -i
  • Set database created as "database" to be compared against
mv /etc/ /etc/aide.db
  • Change database attributes
chattr +i /etc/aide.db

How to run Aide

This an abstract from the man pages.

  • Check the database for inconsistencies. You must have an initialized database to do this. This is also the default command. Without any command aide does a check.
--check, -C
  • Initialize the database. You must initialize a database and move it to the appropriate place before you can use the --check command.
--init, -i
  • Check the database and updates the database non-interactively. The input and output databases must be different.
--update, -u
  • Compares two databases. They must be defined in configfile with database=<url> and database_new=<url>
  • Stops after reading in the configuration file. Any errors will be reported. If aide was compiled with the --with-dbhmackey option, a hash for the config file will be calculated. See the aide manual for more information
--config-check, -D