I have reahat 6.6 and here is the command to restart apache server on it:
sudo /etc/init.d/httpd restart
In RedHat, here are location for config files. The ldap config for Trac is stored in the second auxiliary directory.
/etc/httpd/conf/httpd.conf |
The main configuration file. |
/etc/httpd/conf.d/ |
An auxiliary directory for configuration files that are included in the main configuration file. |