2- There are three directories:
3- In some directories there are htaccess files with some default users.. If you want to use them, all you need to do is rename them to .htaccess in the same directory where they are. You need to configure your web server to do that kind of authentication too.
4- For the rrdtool graphics you will need to install lvsgsp software.
NB. The default location is /usr/local. In the tarball or CVS, there is a "local" directory with some scripts.
IMPORTANT: You will need to make a link in your DocumentRoot dirctory:
That will change in the future...