1. Edit httpd.conf
vi /etc/httpd/conf/httpd.conf
-------------------------------
vi /etc/httpd/conf/httpd.conf
-------------------------------
AddHandler cgi-script .cgi .pl
...
...
ScriptAlias /cgi-bin/ /home/user/www.yourdomain.com/cgi-bin/
-------------------------------
2. Restart httpd
service httpd restart
3. Create a perl script
cd /home/user/www.yourdomain.com/cgi-bin/
vi hello.pl
-------------------------------
#!/usr/bin/perl
print "Content-type: text/html\r\n\r\n";
print "Hello, World.";
-------------------------------
chmod +x hello.pl
4. Test with web browser
http://www.yourdomain.com/cgi-bin/hello.pl