quattor is a system administration toolkit providing a powerful, portable and modular toolsuite for the automated installation, configuration and management of clusters and farms running UNIX derivates like Linux and Solaris.
Quattor no longer uses SourceForge for hosting, please see http://github.com/quattor for source code and http://www.quattor.org for more up-to-date information about the project.
Tool for automatic security and configuration testing
...Mainly intended for security, it can be used to test any configuration file on a Linux system.
The distribution includes examples for testing sshd, ufw, fail2ban, apache, php, mysql, /etc/passwd, and more.