You can install both on your server just follow these instructions and you are done

1 . Get Rapidleech script from here .

Code: 
http://code.google.com/p/rapidleech/
If server is new so first install php to make rapidleech work (For Centos)

Code: 
yum install php
For Ubuntu

Code: 
sudo apt-get install apache2
Code: 
sudo apt-get install php5
Code: 
sudo apt-get install libapache2-mod-php5
Code: 
sudo /etc/init.d/apache2 restart

2 . Instructions for Sborg :

sBorg quick setup for single users (without progress informations)

Run a update on the VPS:

Code: 
yum -y update
Reboot VPS (important):

Code: 
shutdown -r 0
Download the sBorg server setup shell script:

Code: 
wget http://sborg.us/sh/sborg.sh
Run the shell script

Code: 
sh ./sborg.sh
If your server IP address is xxx.xx.xx.xxx then open the sBorg php installer in your browser

Code: 
http://xxx.xx.xx.xxx/sborg/install.php
Enter your email and key and click "install".


All done , if you need any help in installing , just leave me an PM. I'll install for free.