First do basic Apache Configuration 
Then execute the following steps :

1. Create a cgi file using gedit and save it with .pl extension
eg. cgiscript.pl
save in the folder of cgi-bin
eg. /var/www/cgi-bin/

2. On Terminal make it executabe using follwing command
[root@server ~]# cd var
[root@server var]# cd www
[root@server www]# cd cgi-bin
[root@server cgi-bin]# chmod 755 cgiscript.pl


3.In mozilla 

http:<servername/IPaddress>/cgi-bin/cgiscript.pl