Focus remote monitoring works on an Apache server. An Apache server is very easy to setup and there are a lot of tutorials on the web which provides this documentation. Following link provides official documentation:
Once the server is setup, HTML/PHP/Javascript files included in the Focus package are to be copied and other settings can be configured. Text below provides this information.
First of all copy the following files from the source code to the root of the server:
cp -r <focus_source_code>/web/status/* <server_root>/
where <focus_source_code> is the path where focus source code is present and <server_root> is path of the root of the server.
The configuration can be changed in the file “config.php”. This file exists on the <server_root> and you just copied it there in the last step. Following properties are configurable:
The logo can be changed by changing the file 'company_logo.png' located in the logos folder.