How to install Roundcube on VPS?

Hello friends!
To install roundcube on VPS, Please follow these steps...
Step 1 : Download Roundcube

$ wget http://sourceforge.net/projects/roundcubemail/files/roundcubemail/1.0.3/roundcubemail-1.0.3.tar.gz
Step 2 Extract Roundcbe Archive

$ tar -zxvf roundcubemail-1.0.3.tar.gz
Step 3 Rename the Folder Name

$ mv roundcubemail-1.0.3.tar.gz mail
Step 4 Now move mail directory to you public_html

/var/www/html/ is default directory in Centos

$ mv mail /var/www/html/
Step 5
Open Your browser and goto your IP address and Install Roundcube.