I have installed nagios package in my Ubuntu system. After opening the configuration page localhost/nagios3 i have succesfully logged in. After that when i select any option from the left side menu it displays one of the following error
The requested URL /cgi-bin/nagios3/extinfo.cgi was not found on this server.
The requested URL /cgi-bin/nagios3/showlog.cgi was not found on this server.
The requested URL /cgi-bin/nagios3/notifications.cgi was not found on this server.
The requested URL /cgi-bin/nagios3/history.cgi was not found on this server.
The requested URL /cgi-bin/nagios3/status.cgi was not found on this server.
The requested URL /cgi-bin/nagios3/outages.cgi was not found on this server.
The requested URL /cgi-bin/nagios3/statuswrl.cgi was not found on this server.
The requested URL /cgi-bin/nagios3/trends.cgi was not found on this server.
Apache/2.2.14 (Ubuntu) Server at 192.168.1.7 Port 80
How to solve this problem ?