Here I have configured Four Web Server in One Server with Different ports.
Ports can change through configuration file.
# sudo apt-get install apache2
#sudo apt-get install nginx
Default Nginx /etc/nginx
#sudo apt-get install lighthttpd
Default Lighthttpd /etc/lighthttpd
#sudo apt-get install tomcat7
Default Tomcat Apace for Java /etc/tomcat7