hi everybody, many thanks for all your replies in the end, I chose observium greetings On 10/19/2013 11:33 PM, me at tdiehl.org wrote: > On Sat, 19 Oct 2013, John Horne wrote: > >> On Fri, 2013-10-18 at 14:49 +0200, Paolo De Michele wrote: >>> hi, >>> >>> I have a dedicated server with several services running: ssh, ftp, httpd >>> (with several sites andactive domains), the mail server (dovecot, >>> postfix), dns. >>> >>> I'd like to monitor all of these services in a graphical, easy, setting >>> of thresholds and alerts via email. >>> I would also like that if a customer wanted to see the graphs I could >>> create codes read-only. >>> >> Hello, >> >> We use 'Xymon' (http://sourceforge.net/projects/xymon/) >> http://www.xymon.com/ will show you what it looks like. >> It will monitor what you want, and produce graphs (see the 'trends' >> column). I gather it does alerts, but we do not use them ourselves. As >> you can see it has a graphical frontend. >> We use it to monitor our Centos and RHEL servers, and some Debian and >> Fedora devices. > +1 for xymon. It is easy to setup and maintain and there are Centos rpms > available at http://terabithia.org/rpms/xymon/. > > Regards, >