<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type"> <title></title> </head> <body bgcolor="#ffffff" text="#000000"> Diego González Briones wrote: <blockquote cite="mid4C9C58A521893C4898392A8D4D26FECCB025BA@CRGFUEX01.gfunet.grupo.uno" type="cite">I did nagios -v nagios.cfg and everything is fine and also checked /var/log/nagios/nagios.log but there are no errors about reading files or mysql connection errors, just if the host is ok or is down, notifications, etc.</blockquote> So have you confirmed that nagios is actually running? ps -ef | grep nagios If not, then run it.. Have you checked using all the steps on the page you pasted in? Have you configured the cgi.cfg file with the appropriate directories and config settings? rob </body> </html>