HI Sam, On Thu, 4 Oct 2007, Live Great wrote:
> Hello Ivan, > I believe the host check can only be done via a Nagios agent installed > in the remote host or via check_by_ssh. BY host check, do you mean the host check which Nagios does when it finds services are unavailable? We will leave the host check (the Nagios check-host-alive command) defined as ping. I believe that if the passive checks become stale, Nagios will trigger the active host check. We also will likely have at least one active service check (say, for SSH) - if that service becomes unavailable, the host check will be triggered too. > You said you want to replace check_by_ssh, why are you doing so? > Most customer don't want a specific monitoring agent installed in their > server (a remote host in Nagios' slang). Besides the reasons I gave in my initial post, we are looking at it this way: Plugins (for checks like disk space, RAID controllers, volume management, mail queues, process checks) exist locally on the hosts anyhow. Pushying check results to Nagios keeps us from having to open up new inbound connections (NRPE) or allowing key-based SSH logins from the Nagios server to our hosts. We're not so strict that this "push; agent approach" is absolutely necessary on all hosts, but we do have some hosts which we would like to keep more closed and secure. I'm looking for folks who are using, or have significantly explored, the passive service checks on this level. I can experiment and reach my own conclusions, but there are also a lot of good folks here who have done more with Nagios than I. Thanks, Ivan. ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Nagios-users mailing list Nagios-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nagios-users ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. ::: Messages without supporting info will risk being sent to /dev/null