pfSense

global $config;

$config = parse_config(true);

unset($config['installedpackages']);

echo "Clearing package configuration information...\n";

write_config("pfSsh.php cleared package configuration data.");

$config = parse_config(true);

echo "Removing startup files from /usr/local/etc/rc.d/...\n";

exec("rm /usr/local/etc/rc.d/*");