Am 04.11.2014 um 20:36 schrieb Frank Cox <theatre@xxxxxxxxxxxxxxxxxxx>:
> I would like to set up a cron job to automatically check whether my mailserver and webserver are up, and tell me if they're not.
>
> This script tells me if my webserver is up:
>
> #!/bin/bash
> wget -q --tries=10 --timeout=20 --spider http://melvilletheatre.com
> if [[ $? -eq 0 ]]; then
> echo "Online"
> else
> echo "Offline"
> fi
>
> How can I do the something similar with my mailserver?
>
> Or if someone knows of an integrated tool that will monitor this in a better way (whatever that may be), I'm more than interested.
mon - old lady but small:
$ yum -y install epel-release ; yum install mon
$ rpm -qi mon |grep -E 'Size|Summary'
Size : 1155876
Summary : General-purpose resource monitoring system
$ rpm -ql mon | grep -E 'http|imap|smtp|pop&or$'
/usr/lib64/mon/mon.d/http.monitor
/usr/lib64/mon/mon.d/http_tppnp.monitor
/usr/lib64/mon/mon.d/imap.monitor
/usr/lib64/mon/mon.d/phttp.monitor
/usr/lib64/mon/mon.d/smtp.monitor
/usr/lib64/mon/mon.d/smtp3.monitor
$ vi /etc/mon/mon.cf
$ service mon start
$ monshow
and if you like (on EL{5,6}):
$ chkconfig mon on
--
LF
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